{"product_id":"synology-diskstation-ds425-4-bay-nas","title":"SYNOLOGY DISKSTATION DS425+ 4 BAY NAS","description":"\u003cp\u003e\u003cstrong\u003eSPECIFICATION:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 99.9839%; height: 8612px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 19.5909px;\"\u003e SOFTWARE SPECS\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 19.5909px;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 1317.5px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 1317.5px;\"\u003eStorage Management\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 1317.5px;\"\u003e\n\u003cp\u003eMaximum Single Volume Size: \u003cspan\u003e108TB\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMaximum Internal Volume Number: 32\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003eM.2 SSD Storage Pool Support*: ✔\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003eSSD Read\/Write Cache (Determining cache size) :  ✔\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003eSSD TRIM: ✔\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSupported RAID Type    \u003cbr\u003eSynology Hybrid RAID\u003cbr\u003eBasic\u003cbr\u003eJBOD\u003cbr\u003eRAID 0\u003cbr\u003eRAID 1\u003cbr\u003eRAID 5\u003cbr\u003eRAID 6\u003cbr\u003eRAID 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cbr\u003eRAID Migration    \u003cbr\u003eBasic to RAID 1\u003cbr\u003eBasic to RAID 5\u003cbr\u003eRAID 1 to RAID 5\u003cbr\u003eRAID 5 to RAID 6\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVolume Expansion with Larger HDDs\u003cbr\u003eSynology Hybrid RAID\u003cbr\u003eRAID 1\u003cbr\u003eRAID 5\u003cbr\u003eRAID 6\u003cbr\u003eRAID 10\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVolume Expansion by Adding a HDD\u003cbr\u003eSynology Hybrid RAID\u003cbr\u003eJBOD\u003cbr\u003eRAID 5\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGlobal Hot Spare Supported RAID Type\u003cbr\u003eSynology Hybrid RAID\u003cbr\u003eRAID 1\u003cbr\u003eRAID 5\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eNotes:\u003c\/p\u003e\n\u003cp\u003eEach internal volume (may consist of multiple drives) is expandable up to 108TB.\u003c\/p\u003e\n\u003cp\u003eActual maximum storage pool and volume sizes vary depending on drives used, the number of drive bays available, and the RAID configuration.\u003c\/p\u003e\n\u003cp\u003eUsable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored.\u003c\/p\u003e\n\u003cp\u003eCreating M.2 storage pools requires the use of Synology-verified SSDs, which are rigorously tested under extreme temperature conditions. Thermal parameters for SSDs and NAS units are fine-tuned to ensure optimal management of thermal conditions under I\/O-intensive environments. (\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/sy.to\/m2pool\"\u003eLearn more\u003c\/a\u003e)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 90.7727px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 90.7727px;\"\u003eFILE SYSTEM\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 90.7727px;\"\u003e\n\u003cp\u003e\u003cspan\u003eInternal Drives: Btrfs, ext4\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eExternal Drives: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 639px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 639px;\"\u003eFILE SERVICES\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 639px;\"\u003e\n\u003cp\u003e\u003cspan\u003eFile Protocol: SMB, AFP, NFS, FTP, WebDAV, Rsync\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMaximum Number of SMB Connections (FSCT-Based): 10\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eWindows Access Control List (ACL) Integration: \u003cspan\u003e✔\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNFS Kerberos Authentication: ✔\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNotes:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eConnection value of this model is tested with Synology SATA HDD fully populated and all onboard network ports\u003c\/p\u003e\n\u003cp\u003eModels with expandable memory are tested with the maximum supported quantity installed.\u003c\/p\u003e\n\u003cp\u003eSMB performance was evaluated using Microsoft File Server Capacity Tool (FSCT) version 1.3, with the following configuration:\u003c\/p\u003e\n\u003cp\u003eTest workload: HomeFolder scenario provided by the FSCT tool\u003c\/p\u003e\n\u003cp\u003eTest duration: 600 seconds\u003c\/p\u003e\n\u003cp\u003eDomain controller \u0026amp; FSCT controller: Windows Server 2022\u003c\/p\u003e\n\u003cp\u003eFSCT clients: 8 × Windows 10 machines\u003c\/p\u003e\n\u003cp\u003eSMB feature: Directory leasing enabled\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 78.3636px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 78.3636px;\"\u003e\u003cstrong\u003eACCOUNT \u0026amp; SHARED FOLDER \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 78.3636px;\"\u003e\n\u003cstrong\u003eMaximum Local User Accounts:\u003c\/strong\u003e 512\u003cbr\u003e\u003cstrong\u003eMaximum Local Groups:\u003c\/strong\u003e 128\u003cbr\u003e\u003cstrong\u003eMaximum Shared Folder: \u003c\/strong\u003e128\u003cbr\u003e\u003cstrong\u003eMaximum Shared Folder Sync Tasks\u003c\/strong\u003e: 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 19.5909px;\"\u003e\u003cstrong\u003eHYBRID SHARE \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 19.5909px;\"\u003e\u003cspan\u003e\u003cstrong\u003eHybrid Share Folder Number:\u003c\/strong\u003e 10\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 71.1818px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 71.1818px;\"\u003e\u003cstrong\u003eHYPER BACKUP\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 71.1818px;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFolder and Package Backup:\u003c\/strong\u003e ✔\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEntire System Backup: \u003c\/strong\u003e✔\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 19.5909px;\"\u003e\u003cstrong\u003eHIGH AVAILABILTY\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 19.5909px;\"\u003e\n\u003cstrong\u003eSynology High Availability: \u003c\/strong\u003e\u003cspan\u003e✔\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 19.5909px;\"\u003e\n\u003cstrong\u003eLOG CENTER\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 19.5909px;\"\u003e\n\u003cstrong\u003e\u003cspan\u003eSyslog Events per Second: \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e800\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 220.727px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 220.727px;\"\u003e\u003cstrong\u003eVIRTUALIZATION\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 220.727px;\" width=\"50%\"\u003e\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003eVMware vSphere:\u003c\/strong\u003e \u003c\/span\u003eESXi 8.0 U2, ESXi 8.0 U1, ESXi 8.0, ESXi 7.0 U3, ESXi 7.0 U2, ESXi 7.0 U1, ESXi 7.0, ESXi 6.7 U3, ESXi 6.7 U2, ESXi 6.7 U1, ESXi 6.7, ESXi 6.5 U3, ESXi 6.5 U2, ESXi 6.5 U1, ESXi 6.5\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMicrosoft Hyper-V:\u003c\/strong\u003e Windows Server 2022\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eCitrix XenServer: \u003c\/strong\u003eXenServer 8, Citrix Hypervisor 8.2 LTSR CU1\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOpenStack:\u003c\/strong\u003e Cinder\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 279.5px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 279.5px;\"\u003e\u003cstrong\u003eGENERAL SPECIFICATIONS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd width=\"50%\" style=\"width: 58.1388%; height: 279.5px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eSupported Protocols: \u003c\/strong\u003eSMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSupported Browsers:\u003c\/strong\u003e Chrome, Firefox, Edge, Safari\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSupported Language: \u003cspan\u003eEnglish,\u003c\/span\u003e\u003cspan\u003eDeutsch, Français, Italiano, Español, Dans\u003c\/span\u003e\u003c\/strong\u003ek, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e For an updated list of supported browser versions, check the\u003ca href=\"https:\/\/www.synology.com\/en-us\/dsm\/7.0\/software_spec\/dsm\" rel=\"noopener noreferrer\"\u003e DSM Technical Specifications\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 19.5909px;\"\u003e\u003cstrong\u003eCentral Management System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 19.5909px;\"\u003e\u003cspan\u003e✔\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 19.5909px;\"\u003e\u003cstrong\u003eThird-Party AI Model Integration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 19.5909px;\"\u003e\u003cspan\u003e✔\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 220.727px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 220.727px;\"\u003e\u003cstrong\u003eSYNOLOGY CHAT\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 220.727px;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Number of Users: \u003c\/strong\u003e100\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e: \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMeasured with simulated users, each with an average record of 20,000 messages, emojis, or stickers. The required server response time is below ten seconds.\u003c\/p\u003e\n\u003cp\u003eModels with expandable memory are tested with the maximum supported quantity installed.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 19.5909px;\"\u003e\u003cstrong\u003eDOWNLOAD STATION\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 19.5909px;\"\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Concurrent Download Tasks:\u003c\/strong\u003e 80\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 111.773px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 111.773px;\"\u003e\u003cstrong\u003eSAN MANAGER\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 111.773px;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMaximum iSCSI Target Number: \u003c\/strong\u003e2\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMaximum LUN:\u003c\/strong\u003e 4\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eLUN Clone\/Snapshot, Windows ODX: \u003c\/strong\u003e✔\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 500.227px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 500.227px;\"\u003e\u003cstrong\u003eSYNOLOGY MAILPLUS\/ MAILPLUS SERVER\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 500.227px;\" width=\"50%\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eFree Email Accounts:\u003c\/strong\u003e 5\u003c\/span\u003e\u003ca href=\"https:\/\/www.synology.com\/en-us\/products\/MailPlus_License\" rel=\"noopener noreferrer\"\u003e\u003cspan\u003e \u003c\/span\u003e(Additional accounts require purchase of licenses)\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Number of Users: \u003c\/strong\u003e20\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe suggested maximum number of users is based on the following workload: 20% of users with a 20,000 item mailbox randomly performing actions and receiving 240 emails per day, and 80% of users receiving 20 emails per day.\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.synology.com\/products\/performance?lang=en-us\u0026amp;highlight%5B0%5D=DS425%2B\u0026amp;models%5B0%5D=DS1525%2B\u0026amp;models%5B1%5D=DS925%2B\u0026amp;models%5B2%5D=DS620slim\u0026amp;models%5B3%5D=DS425%2B\u0026amp;models%5B4%5D=DS423\"\u003eLearn more\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eModels with SSD support are tested with a single SSD volume.\u003c\/p\u003e\n\u003cp\u003eModels with expandable memory are tested with the maximum supported quantity installed.\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/kb.synology.com\/DSM\/tutorial\/How_to_best_deploy_Synology_MailPlus_and_select_a_suitable_Synology_NAS\" target=\"_blank\"\u003eLearn more about memory requirements\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eOperating in high-availability mode will incur additional overhead.\u003c\/p\u003e\n\u003cp\u003eFeatures enabled during evaluation: anti-spam, anti-virus, DNSBL, greylist, content scanning, and full-text search (English).\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 19.5909px;\"\u003e\u003cstrong\u003eMEDIA SERVER\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 19.5909px;\"\u003e\u003cspan\u003e\u003cstrong\u003eDLNA Compliance:\u003c\/strong\u003e ✔\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 129.364px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 129.364px;\"\u003e\u003cstrong\u003eSYNOLGY PHOTOS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 129.364px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eFacial Recognition: \u003cspan\u003e✔\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eObject Recognition: \u003cspan\u003e✔\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e: Object recognition requires an upgrade of memory capacity to a minimum of 4 GB.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 233.136px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 233.136px;\"\u003e\u003cstrong\u003eSNAPSHOT REPLICATION\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 233.136px;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Snapshots per Shared Folder:\u003c\/strong\u003e 128\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Snapshots per LUN: \u003c\/strong\u003e32\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Snapshots per System: \u003c\/strong\u003e1,024\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Replication Tasks for Shared Folders: \u003c\/strong\u003e16\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Replication Tasks for LUNs:\u003c\/strong\u003e 8\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Replication Tasks per System: \u003c\/strong\u003e16\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 729.773px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 729.773px;\"\u003e\u003cstrong\u003eSURVEILLANCE STATION\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 729.773px;\"\u003e\n\u003cp\u003e\u003cspan\u003eDefault Licenses: 2(\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.synology.com\/en-us\/products\/Device_License_Pack\"\u003eAdditional cameras require purchase of licenses)\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum IP Cameras and Total FPS (H.264): \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1080p: 40 channels, 800 FPS\u003c\/p\u003e\n\u003cp\u003e3M: 35 channels, 350 FPS\u003c\/p\u003e\n\u003cp\u003e5M: 28 channels, 280 FPS\u003c\/p\u003e\n\u003cp\u003e4K: 17 channels, 170 FPS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum IP Cameras and Total FPS (H.265):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1080p: 40 channels, 1200 FPS\u003c\/p\u003e\n\u003cp\u003e3M: 40 channels, 600 FPS\u003c\/p\u003e\n\u003cp\u003e5M: 40 channels, 480 FPS\u003c\/p\u003e\n\u003cp\u003e4K: 20 channels, 200 FPS\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePerformance figures are obtained from testing conducted with the device fully populated with drives, with their default memory configuration, and under a continuous recording setup. Actual system capabilities may vary based on configuration, drive performance, enabled features, and the presence of additional workloads.\u003c\/p\u003e\n\u003cp\u003eUse\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.synology.com\/en-us\/support\/nvr_selector\"\u003eNVR Selector\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eto quickly find a suitable model based on your requirements.\u003c\/p\u003e\n\u003cp\u003eThe number of video channels that can be viewed simultaneously is double the maximum number of cameras for the same codec and resolution.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 519.818px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 519.818px;\"\u003e\u003cstrong\u003eSYNOLOGY DRIVE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 519.818px;\"\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Number of Users\u003c\/strong\u003e: 20\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Number of Hosted Files:\u003c\/strong\u003e 500,000 (applies to files indexed or hosted by \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.synology.com\/en-us\/dsm\/feature\/drive\"\u003eSynology Drive\u003c\/a\u003e. For file access through other standard protocols, refer to the File Services section above)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe suggested maximum number of users is based on the following workload: 20% of users randomly perform file operations (upload, download, move, and delete), and 80% of users are logged in but idle.\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.synology.com\/products\/performance?lang=en-us\u0026amp;highlight%5B0%5D=DS425%2B\u0026amp;models%5B0%5D=DS1525%2B\u0026amp;models%5B1%5D=DS925%2B\u0026amp;models%5B2%5D=DS620slim\u0026amp;models%5B3%5D=DS425%2B\u0026amp;models%5B4%5D=DS423\"\u003eLearn more\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eModels with SSD support are tested with a single SSD volume.\u003c\/p\u003e\n\u003cp\u003eModels with expandable memory are tested with the maximum supported quantity installed.\u003c\/p\u003e\n\u003cp\u003eExceeding the recommended numbers above will not block application operations, but may result in longer response time.\u003c\/p\u003e\n\u003cp\u003eBtrfs file system and non-encrypted shared folders were used during the aforementioned testing.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 370.273px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 370.273px;\"\u003e\u003cstrong\u003eSYNOLOGY OFFICE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 370.273px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Number of Users: \u003c\/strong\u003e20\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe suggested maximum number of users is based on the following workload: 20% of users are executing random actions at an average of 30-second intervals, and 80% of users are logged in and viewing a file.\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.synology.com\/products\/performance?lang=en-us\u0026amp;highlight%5B0%5D=DS425%2B\u0026amp;models%5B0%5D=DS1525%2B\u0026amp;models%5B1%5D=DS925%2B\u0026amp;models%5B2%5D=DS620slim\u0026amp;models%5B3%5D=DS425%2B\u0026amp;models%5B4%5D=DS423\"\u003eLearn more\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eModels with SSD support are tested with a single SSD volume.\u003c\/p\u003e\n\u003cp\u003eModels with expandable memory are tested with the maximum supported quantity installed.\u003c\/p\u003e\n\u003cp\u003eClient performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 \/ 8GB RAM\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 181.545px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 181.545px;\"\u003e\u003cstrong\u003eVIRTUAL MACHINE MANAGER\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 181.545px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended Virtual Machine Instances: 2 \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.synology.com\/en-us\/products\/VMMPro_License_Pack\"\u003e\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.synology.com\/en-us\/products\/VMMPro_License_Pack\"\u003e(Learn more)\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eRecommended Virtual DSM Number \u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.synology.com\/en-us\/products\/VDSM_License_Pack\"\u003e(Licenses required)\u003c\/a\u003e:\u003c\/strong\u003e 2 (including 1 Free License)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNotes: \u003c\/span\u003e\u003c\/strong\u003eThe specifications vary depending on system configcuration and memory size\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5909px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 19.5909px;\"\u003e\n\u003cstrong\u003eVPN SERVER\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 19.5909px;\"\u003e\n\u003cb\u003e \u003cspan\u003eMaximum Connections: \u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e4\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 249.136px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 249.136px;\"\u003e\u003cstrong\u003e\u003cspan\u003eCPU\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 249.136px;\"\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eCPU Model: \u003c\/span\u003e\u003c\/b\u003eIntel Celeron J412\u003cb\u003e\u003cspan\u003e5\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eCPU Quantity: \u003c\/span\u003e\u003c\/b\u003e1\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eCPU Cores: \u003c\/span\u003e\u003c\/b\u003e4\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eCPU Threads:\u003c\/span\u003e\u003c\/b\u003e 4\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eCPU Architecture:\u003c\/span\u003e\u003c\/b\u003e 64-bit\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eCPU Frequency: \u003c\/span\u003e\u003c\/b\u003e2.0 (base) \/ 2.7 (turbo) GHz\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eHardware Encryption Engine: \u003c\/span\u003e\u003c\/b\u003e✔\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 370.273px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 370.273px;\"\u003e\u003cstrong\u003eMEMORY \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 370.273px;\"\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eSystem Memory: 2 GB DDR4 non-ECC\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eTotal Memory Slots: 1\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eMaximum Memory Capacity: 6 GB (2 GB + 4 GB)\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eNotes: \u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eSynology may revise pre-installed memory module specifications in response to component lifecycle and supply conditions. All revised components undergo the same rigorous validation to ensure equivalent compatibility, stability, and performance.\u003c\/p\u003e\n\u003cp\u003ePlease select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 453.864px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 453.864px;\"\u003e\u003cstrong\u003eSTORAGE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 453.864px;\"\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eDrive Bays:\u003c\/span\u003e\u003c\/b\u003e 4\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eM.2 Drive Slots: \u003c\/strong\u003e2 (NVMe)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDrive Type \u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.synology.com\/en-us\/compatibility?search_by=drives\"\u003e(See all supported drives)\u003c\/a\u003e: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e3.5\" SATA HDD\u003c\/p\u003e\n\u003cp\u003e2.5\" SATA SSD\u003c\/p\u003e\n\u003cp\u003eM.2 2280 NVMe SSD\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHot Swappable Drive*: \u003cspan\u003e✔\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNotes: \u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe hot swappable drive feature is not supported by M.2 SSD slots.\u003c\/p\u003e\n\u003cp\u003eSynology only guarantees full functionality, reliability, and performance for compatible drives. Please consult our\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/www.synology.com\/compatibility?search_by=drives\" target=\"_blank\"\u003ecompatibility list\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ebefore purchasing hard drives. For more details, please refer to\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/kb.synology.com\/DSM\/tutorial\/Drive_compatibility_policies\" target=\"_blank\"\u003ethis article\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 161.955px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 161.955px;\"\u003e\u003cstrong\u003eEXTERNAL PORTS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 161.955px;\"\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eRJ-45 1GbE LAN Port: \u003c\/span\u003e\u003c\/b\u003e1\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eRJ-45 2.5GbE LAN Port: \u003c\/span\u003e\u003c\/b\u003e1\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eUSB 3.2 Gen 1 Port: \u003c\/span\u003e\u003c\/b\u003e2\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eNotes: \u003c\/span\u003e\u003c\/b\u003eMTU value of 1GbE LAN port has a limit of 1500.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 90.7727px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 90.7727px;\"\u003e\u003cstrong\u003eAPPPERANCE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 90.7727px;\"\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eSize (Height x Width x Depth): \u003c\/span\u003e\u003c\/b\u003e166 mm x 199 mm x 223 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003e2.18KG\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 797.364px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 797.364px;\"\u003e\u003cstrong\u003eOTHERS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 797.364px;\"\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eSystem Fan: 92 mm x 92 mm x 2 pcs\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eFan Speed Mode: \u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eFull-Speed Mode\u003c\/p\u003e\n\u003cp\u003eCool Mode\u003c\/p\u003e\n\u003cp\u003eQuiet Mode\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBrightness Adjustable Front LED Indicators: \u003cspan\u003e✔\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePower Recovery: ✔\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNoise Level*: \u003c\/span\u003e\u003c\/strong\u003e21.6 dB(A)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eScheduled Power On \/ Off: \u003cspan\u003e ✔\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWake on LAN \/ WAN: ✔\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePower Supply Unit \/ Adapter: \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 90 WATTS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAC Input Power Voltage: \u003c\/strong\u003e100V to 240V AC\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower Frequency: \u003c\/strong\u003e50\/60 Hz, Single Phase\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePower Consumption: \u003c\/span\u003e\u003c\/strong\u003e28.25 watts (Access)\u003cbr\u003e6.10 watts (HDD Hibernation)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBritish Thermal Unit: \u003c\/strong\u003e96.33 BTU\/hr (Access)\u003cbr\u003e20.79 BTU\/hr (HDD Hibernation)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNotes: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor more information on how power consumption is measured, refer to\u003cspan\u003e \u003c\/span\u003e\u003ca rel=\"noopener noreferrer\" href=\"https:\/\/kb.synology.com\/DSM\/tutorial\/How_is_power_consumption_tested_on_Synology_devices\"\u003ethis article\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNoise testing was conducted with the Synology system fully installed with Synology SATA SSDs and in an idle state. Two GRAS 40AE microphones were placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 181.545px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 181.545px;\"\u003e\u003cstrong\u003eTEMPERATURE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 181.545px;\"\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eOperating Temperature: \u003c\/span\u003e\u003c\/b\u003e0°C to 40°C (32°F to 104°F)\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eStorage Temperature: \u003c\/span\u003e\u003c\/b\u003e-20°C to 60°C (-5°F to 140°F)\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eOperating Humidity: \u003c\/span\u003e\u003c\/b\u003e8% to 80% RH\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003eStorage Humidity: \u003c\/span\u003e\u003c\/b\u003e5% to 95% RH\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 391.5px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 391.5px;\"\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 391.5px;\"\u003e\n\u003cp\u003eFCC\u003c\/p\u003e\n\u003cp\u003eCE\u003c\/p\u003e\n\u003cp\u003eBSMI\u003c\/p\u003e\n\u003cp\u003eVCCI\u003c\/p\u003e\n\u003cp\u003eRCM\u003c\/p\u003e\n\u003cp\u003eUKCA\u003c\/p\u003e\n\u003cp\u003eEAC\u003c\/p\u003e\n\u003cp\u003eCCC\u003c\/p\u003e\n\u003cp\u003eKC\u003c\/p\u003e\n\u003cp\u003eBIS\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 10px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 10px;\"\u003e\u003cstrong\u003e\u003cspan\u003eEnvironment\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 10px;\"\u003e\u003cspan\u003eRoHS Compliant\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.5909px;\"\u003e\n\u003ctd style=\"width: 41.7315%; height: 35.5909px;\"\u003e\u003cstrong\u003e\u003cspan\u003ePackaging Content\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1388%; height: 35.5909px;\"\u003e\n\u003cp\u003eMain Unit X 1\u003c\/p\u003e\n\u003cp\u003eAccessory Pack X 1\u003c\/p\u003e\n\u003cp\u003eAC Power Adapter X 1\u003c\/p\u003e\n\u003cp\u003eAC Power Cord X 1\u003c\/p\u003e\n\u003cp\u003eRJ-45 LAN Cable X 2\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Synology","offers":[{"title":"Default Title","offer_id":48350236475607,"sku":null,"price":31500.0,"currency_code":"PHP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/3792\/3799\/files\/SYNOLOGYDISKSTATIONDS425_4BAYNAS_1.webp?v=1773037855","url":"https:\/\/mfcomputersolution.com\/products\/synology-diskstation-ds425-4-bay-nas","provider":"MF Computer Solutions","version":"1.0","type":"link"}