CPU
\nCPU Model Intel Atom C2538
\nCPU Architecture 64-bit
\nCPU Frequency Quad Core 2.4 GHz
\nHardware Encryption Engine (AES-NI)
\nMemory
\nSystem Memory 2 \/ 8 GB DDR3
\nMemory Module Pre-installed 2GB (1 x 2GB) \/ 8GB (2 x 4GB)
\nTotal Memory Slots 2
\nMemory Expandable up to 16 GB (8 GB x 2)
\nStorage
\nDrive Bays 5
\nMaximum Drive Bays with Expansion Unit 15
\nCompatible Drive Type* (See all supported drives)
\n3.5″ SATA III \/ SATA II HDD
\n2.5″ SATA III \/ SATA II HDD
\n2.5″ SATA III \/ SATA II SSD
\nMaximum Internal Raw Capacity
\n50 TB (10 TB HDD x 5) (Capacity may vary by RAID types)
\nMaximum Raw Capacity with Expansion Units
\n150 TB (10 TB HDD x 15) (Capacity may vary by RAID types)
\nMaximum Single Volume Size 108 TB
\nHot Swappable Drive
\nNotes
\n“Compatible drive type” indicates the drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
\nFor the optimal SSD cache performance, please see here.
\nExpansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108TB.
\nExternal Ports
\nRJ-45 1GbE LAN Port 4 (with Link Aggregation \/ Failover support)
\nUSB 3.0 Port 4
\neSATA Port 2
\nPCIe
\nPCIe Expansion 1 x Gen2 x8 slot (x4 link)
\nAdd-in-card support
\nM2D17 – Dual M.2 SSD adapter card for SSD cache
\nPCIe Network Interface Card (Learn more)
\nFile System
\nInternal Drives
\nBtrfs
\nEXT4
\nExternal Drives
\nBtrfs
\nEXT4
\nEXT3
\nFAT
\nNTFS
\nHFS+
\nexFAT*
\nNotes
\nexFAT Access is purchased separately in Package Center. Appearance
\nSize (Height x Width x Depth) 166 mm x 250 mm x 243 mm
\nWeight 4.46 kg
\nOthers
\nSystem Fan 80 mm x 80 mm x 2 pcs
\nFan Speed Mode
\nCool Mode
\nQuiet Mode
\nEasy Replacement System Fan
\nWireless Support (dongle)
\nBrightness adjustable front LED indicators
\nPower Recovery
\nNoise Level* 26.2 dB(A)
\nScheduled Power On\/Off
\nWake on LAN\/WAN
\nPower Supply Unit \/ Adapter 200W
\nAC Input Power Voltage 100V to 240V AC
\nPower Frequency 50\/60 Hz, Single Phase
\nPower Consumption*
\n42.1 W (Access)
\n23.1 W (HDD Hibernation)
\nBritish Thermal Unit
\n143.7 BTU\/hr (Access)
\n78.9 BTU\/hr (HDD Hibernation)
\nEnvironment Temperature
\nOperating Temperature 5\u00b0C to 40\u00b0C (40\u00b0F to 104\u00b0F)
\nStorage Temperature -20\u00b0C to 60\u00b0C (-5\u00b0F to 140\u00b0F)
\nRelative Humidity 5% to 95% RH
\nCertification
\nFCC Class B
\nCE Class B
\nBSMI Class B
\nWarranty 3 Years
\nApplicable Extended Warranty
\nEW201 – 2 Year Extension
\nNotes
\nPower consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
\nNoise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75\u02daC; Humidity: 58.2-61.8%
\nDSM Specifications ( See more )
\nStorage Management
\nMaximum Internal Volume Number 512
\nMaximum iSCSI Target Number 32
\nMaximum iSCSI LUN 256
\niSCSI LUN Clone\/Snapshot, Windows ODX
\nSupported RAID Type
\nSynology Hybrid RAID
\nBasic
\nJBOD
\nRAID 0
\nRAID 1
\nRAID 5
\nRAID 6
\nRAID 10
\nRAID Migration
\nBasic to RAID 1
\nBasic to RAID 5
\nRAID 1 to RAID 5
\nRAID 5 to RAID 6
\nVolume Expansion with Larger HDDs
\nSynology Hybrid RAID
\nRAID 1
\nRAID 5
\nRAID 6
\nVolume Expansion by Adding a HDD
\nSynology Hybrid RAID
\nRAID 5
\nRAID 6
\nJBOD
\nGlobal Hot Spare Supported RAID Type
\nSynology Hybrid RAID
\nRAID 1
\nRAID 5
\nRAID 6
\nRAID 10
\nSSD Support
\nSSD Read\/Write Cache (White Paper)
\nSSD TRIM
\nFile Sharing Capacity
\nMaximum Local User Accounts 2048
\nMaximum Local Groups 256
\nMaximum Shared Folder 512
\nMaximum Shared Folder Sync Tasks 8
\nMaximum Concurrent CIFS\/AFP\/FTP Connections 512(2GB) \/ 2048(8GB)
\nWindows Access Control List (ACL) Integration
\nNFS Kerberos Authentication
\nHigh Availability Manager
\nLog Center
\nSyslog Events per Second 800
\nVirtualization
\nVMware vSphere 6 with VAAI
\nWindows Server 2012
\nWindows Server 2012 R2
\nCitrix Ready
\nOpenStack
\nAdd-on Packages (learn more about the complete add-on package list)
\nAntivirus by McAfee (Trial)
\nCentral Management System
\nChat
\nMaximum Users 400
\nNotes
\nThe number of concurrent HTTP connections for Chat was configured to the maximum.
\nCPU and RAM usage were both under 80% when testing the recommended number of clients.
\nFor tested models with expandable memory, the maximum amount of RAM was installed.
\nCloud Station Server
\nMaximum Concurrent File Transfers 512 (2GB) \/ 2000 (8GB)
\nMaximum Concurrent File Transfers (with RAM expansion) 6000
\nDDSM
\nMaximum DDSM Number (Licenses required) 30 (including 1 Free License) (Learn more)
\nDocument Viewer
\nDownload Station
\nMaximum Concurrent Download Tasks 80
\nexFAT Access (optional)
\nHiDrive Backup
\nMailPlus \/ MailPlus Server
\nFree Email Accounts 5 (Licenses required for additional accounts)
\nRecommended MailPlus Client Number
\nUp to 90
\nMaximum Server Performance 712,000 emails per day, approx. 21.73GB
\nNotes
\nThe CPU and RAM usages were both under 80% when testing recommended client numbers.
\nFor tested models with expandable memory, the maximum amount of RAM was installed.
\nRead-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
\nThe performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
\nFunctions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
\nMedia Server
\nDLNA Certification
\nOffice
\nMaximum Users 400
\nMaximum Simultaneous Editing Users 80
\nNotes
\nCPU and RAM usage were both under 80% when testing the recommended number of clients.
\nFor tested models with expandable memory, the maximum amount of RAM was installed.
\nClient performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 \/ 8GB RAM
\nSnapshot Replication
\nMaximum Snapshots per Shared Folder 1024
\nMaximum Snapshots of all Shared Folder 65536
\nSurveillance Station
\nMaximum IP cam (Licenses required) 40 (including 2 Free License) (See All Supported IP Cameras)
\nTotal FPS (H.264)*
\n1200 (2GB RAM) \/ 1200 (8GB RAM) FPS @ 720p (1280×720)
\n900 (2GB RAM) \/ 1080 (8GB RAM) FPS @ 1080p (1920\u00d71080)
\n320 (2GB RAM) \/ 480 (8GB RAM) FPS @ 3M (2048×1536)
\n270 (2GB RAM) \/ 280 (8GB RAM) FPS @ 5M (2591×1944)
\nTotal FPS (MJPEG)*
\n540 (2GB RAM) \/ 760 (8GB RAM) FPS @ 720p (1280×720)
\n200 (2GB RAM) \/ 400 (8GB RAM) FPS @ 1080p (1920\u00d71080)
\n150 (2GB RAM) \/ 280 (8GB RAM) FPS @ 3M (2048×1536)
\n90 (2GB RAM) \/ 200 (8GB RAM) FPS @ 5M (2591×1944)
\nNotes
\nSurveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
\nVideo Station
\nVideo Transcoding
\nGroup 1 – Type 1 (See more)
\nMaximum Transcoding Channel Number 1 channel, 30 FPS @ 1080p(1920\u00d71080), H.264 (AVC)\/MPEG-4 Part 2 (XVID, DIVX5)\/MPEG-2\/VC-1
\nVPN Server
\nMaximum Connections 20
\nEnvironment & Packaging
\nEnvironment
\nRoHS Compliant
\nPackaging Content
\nMain Unit X 1
\nAccessory Pack X 1
\nAC Power Cord X 1
\nRJ-45 LAN Cable X 2
\nQuick Installation Guide X 1
\nOptional Accessories
\nSurveillance Device License Pack
\n8GB (4GB x 2) DDR3 RAM Module Kit
\n16GB (8GB x 2) DDR3 RAM Module Kit
\nExpansion Unit: DX517 X 2
\nVS360HD
\nSynology Ethernet Adapter E10G15-F1
\nSynology Ethernet Adapter E10G17-F2
\nSynology M2D17 M.2 SSD adapter car","protected":false},"excerpt":{"rendered":"
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