DiskSizetation DSize1621+ 6-Bay NASize Enclosure, Bundle with 6x WD Red Pro 4TB 3.5" SizeATA III Internal NASize Hard Drive

CPU ModelAMD Ryzen V1500B CPU Architecture64-bit CPU Frequency4-core 2.2 GHz Hardware Encryption Engine (AES-NI)Yes System Memory4 GB DDR4 ECC SODIMM Memory Module Pre-installed4 GB (4 GB x 1) Total Memory Slots2 Maximum Memory Capacity32 GB (16 GB x 2) Drive Bays6 Maximum Drive Bays with Expansion Unit16 (DX517 x 2) M.2 Drive Slots2 (NVMe) Compatible Drive Type3.5" SATA HDD2.5" SATA HDD2.5" SATA SSDM.2 2280 NVMe SSD Maximum Single Volume Size108 TB Hot Swappable DriveYes RJ-45 1GbE LAN Port4 (with Link Aggregation / Failover support) USB 3.0 Port3 eSATA Port2 PCIe Expansion1x Gen3 x8 slot (x4 link) Internal DrivesBtrfsEXT4 External DrivesBtrfsEXT4EXT3FATNTFSHFS+ System Fan3.6 x 3.6" (92 x 92mm) x2 pcs Fan Speed ModeFull-Speed ModeCool ModeQuiet Mode Easy Replacement System FanYes Front LED IndicatorsBrightness Adjustable: Yes Power RecoveryYes Noise Level25.2 dB(A) Scheduled Power On/OffYes Wake on LAN/WANYes Power Supply Unit/Adapter250 W AC Input Power Voltage100 V to 240 V AC Power Frequency50/60 Hz, Single Phase Power Consumption51.22 W (Access)25.27 W (HDD Hibernation) British Thermal Unit174.77 BTU/hr (Access)86.22 BTU/hr (HDD Hibernation) Operating Temperature32 Degree F to 104 Degree F (0 Degree C to 40 Degree C) Storage Temperature-5 Degree F to 140 Degree F (-20 Degree C to 60 Degree C) Relative Humidity5% to 95% RH CertificationFCCCEBSMIEACCCCKCVCCIRCM EnvironmentRoHS Compliant Maximum Internal Volume Number64 SSD Read/Write Cache (Ivory Paper)Yes SSD TRIMYes Supported RAID TypeSynology Hybrid RAIDBasicJBODRAID 0RAID 1RAID 5RAID 6RAID 10 RAID MigrationBasic to RAID 1Basic to RAID 5RAID 1 to RAID 5RAID 5 to RAID 6 Volume Expansion with Larger HDDsSynology Hybrid RAIDRAID 1RAID 5RAID 6RAID 10 Volume Expansion by Adding a HDDSynology Hybrid RAIDJBODRAID 5RAID 6 Global Hot Spare Supported RAID TypeSynology Hybrid RAIDRAID 1RAID 5RAID 6RAID 10 File ProtocolCIFS/AFP/NFS/FTP/WebDAV Max Concurrent CIFS/AFP/FTP Connections10002,000 (with RAM expansion) Windows Access Control List (ACL)Yes (Integration) NFS Kerberos AuthenticationYes Maximum Local User Accounts2048 Maximum Local Groups256 Maximum Shared Folder512 Maximum Shared Folder Sync Tasks16 Synology High AvailabilityYes Syslog Events per Second800 VMware vSphere 6 with VAAIYes Windows Server 2016Yes Windows Server 2019Yes Citrix ReadyYes OpenStackYes Networking ProtocolsSMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV Supported BrowsersGoogle ChromeFirefoxMicrosoft EdgeInternet Explorer 10 onwardsSafari 10 onwardsSafari (iOS 10 onwards)Google Chrome (Android 6.0 onwards) Supported LanguageEnglish, Deutsch, Francais, Italiano, Espanol, Dansk, Norsk, Svenska, Nederlands, Polski, Magyar, Portugues do Brasil, Portugues Europeu, Turkce, Cesky Antivirus by McAfee (Trial)Yes Central Management SystemYes Document ViewerYes exFAT Access (Optional)Yes Video StationYes Maximum Users1500 Maximum Concurrent Download Tasks80 Maximum iSCSI Target Number128 Maximum iSCSI LUN256 iSCSI LUN Clone/Snapshot, Windows ODXYes Free Email Accounts5 (Licenses required for additional accounts) Maximum Number of Concurrent Users150 Maximum Server Performance1,484,000 emails per day, approx. 45GB DLNA ComplianceYes Facial RecognitionYes Subject RecognitionYes Auto Color & RotateYes Moments SelectYes Maximum Snapshots per Shared Folder1024 Maximum of System Snapshots65536 Maximum IP cam (Licenses required)40 (including 2 Free License) Total FPS (H.264)1200 FPS @ 720p (1280x720)1050 FPS @ 1080p (1920x1080)600 FPS @ 3M (2048x1536)440 FPS @ 5M (2591x1944)320 FPS @ 4K (3840x2160) Total FPS (H.265)1200 FPS @ 720p (1280x720)1200 FPS @ 1080p (1920x1080)1120 FPS @ 3M (2048x1536)600 FPS @ 5M (2591x1944)480 FPS @ 4K (3840x2160) Number of Hosted FilesRecommended: 1,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) Number of Concurrent Sync ClientsRecommended: 550 (the number of connections that can be maintained when the recommended number of hosted files was reached) Maximum Users1800 Recommended Virtual Machine Instances8 Recommended Virtual DSM NumberLicenses required: 8 (including 1 Free License) Maximum Connections30 Dimensions (H x W x D)6.53 x 11.1 x 9.6" (166 x 282 x 243mm) Weight11.2 lbs (5.1kg)