Hardware Specifications
\nCPU
\nCPU Model Intel Celeron J3355
\nCPU Architecture 64-bit
\nCPU Frequency Dual Core 2.0 burst up to 2.5 GHz
\nHardware Encryption Engine (AES-NI)
\nHardware Transcoding Engine H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30
\nMemory
\nSystem Memory 2 GB DDR3L
\nMemory Module Pre-installed 2GB (1 x 2GB)
\nTotal Memory Slots 2
\nMemory Expandable up to 6 GB (2 GB + 4 GB)
\nStorage
\nDrive Bays 2
\nCompatible Drive Type* (See all supported drives)
\n3.5″ SATA HDD
\n2.5″ SATA HDD
\n2.5″ SATA SSD
\nMaximum Internal Raw Capacity 20 TB (10 TB drive x 2) (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.
\nThe maximum single volume size is not directly related to the maximum raw capacity. (Learn more)
\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 1
\nUSB 3.0 Port 3
\neSATA Port 1
\nUSBCopy
\nFile System
\nInternal Drives
\nBtrfs
\nEXT4
\nExternal Drives
\nBtrfs
\nEXT4
\nEXT3
\nFAT
\nNTFS
\nHFS+
\nexFAT*
\nNotes
\nexFAT Access is purchased separately in Package Center.
\nAppearance
\nSize (Height x Width x Depth) 165 mm x 108 mm x 232.2 mm
\nWeight 1.30 kg
\nOthers
\nSystem Fan 92 mm x 92 mm x 1 pcs
\nFan Speed Mode
\nFull-Speed Mode
\nCool Mode
\nQuiet Mode
\nBrightness adjustable front LED indicators
\nPower Recovery
\nNoise Level* 19.3 dB(A)
\nScheduled Power On\/Off
\nWake on LAN\/WAN
\nPower Supply Unit \/ Adapter 60W
\nAC Input Power Voltage 100V to 240V AC
\nPower Frequency 50\/60 Hz, Single Phase
\nPower Consumption*
\n17.23 W (Access)
\n5.4 W (HDD Hibernation)
\nBritish Thermal Unit
\n58.79 BTU\/hr (Access)
\n18.43 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 2 Years
\nNotes
\nPower consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
\nDSM Specifications ( See more )
\nStorage Management
\nMaximum Internal Volume Number 256
\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 Migration
\nBasic to RAID 1
\nVolume Expansion with Larger HDDs
\nSynology Hybrid RAID
\nRAID 1
\nVolume Expansion by Adding a HDD
\nSynology Hybrid RAID
\nSSD Support
\nSSD TRIM
\nFile Sharing Capacity
\nMaximum Local User Accounts 2048
\nMaximum Local Groups 256
\nMaximum Shared Folder 256
\nMaximum Shared Folder Sync Tasks 4
\nMaximum Concurrent CIFS\/AFP\/FTP Connections 500
\nWindows Access Control List (ACL) Integration
\nNFS Kerberos Authentication
\nLog Center
\nSyslog Events per Second 400
\nAdd-on Packages (learn more about the complete add-on package list)
\nAntivirus by McAfee (Trial)
\nCentral Management System
\nChat
\nMaximum Users 1000
\nNotes
\nThe number of concurrent HTTP connections for Chat was configured to the maximum.
\nCPU and RAM usage were both under 80% when the number of maximum users was reached.
\nFor tested models with expandable memory, the maximum amount of RAM was installed.
\nCloud Station Server
\nMaximum Number of Concurrently Connected Devices 500
\nMaximum Number of Concurrently Connected Devices (with RAM expansion) 1500
\nMaximum Number of Synced Files (btrfs) 1,000,000 \/ single file reaction time 681 ms
\nMaximum Number of Synced Files (ext4) 1,000,000 \/ single file reaction time 341 ms
\nNotes
\nThe maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time. For more information on file processing capability, please refer to the reaction time for file processing.
\nFile reaction time refers to the preparation time required for other devices to start downloading a 1KByte file from a Synology NAS after the file has been added to the NAS. RAM expansion was not used during testing.
\nNon-encrypted shared folders were used during the aforementioned testing.
\nDocument Viewer
\nDownload Station
\nMaximum Concurrent Download Tasks 80
\nexFAT Access (optional)
\nMailPlus \/ MailPlus Server
\nFree Email Accounts 5 (Licenses required for additional accounts)
\nRecommended MailPlus Client Number Up to 45 (Btrfs) \/ 45 (ext4)
\nMaximum Server Performance 181,000 (Btrfs) \/ 194,000 (ext4) emails per day, approx. 5.5 GB (Btrfs) \/ 5.9 GB (ext4)
\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 Compliance
\nOffice
\nMaximum Users 200
\nMaximum Simultaneous Editing Users 60
\nNotes
\nCPU and RAM usage were both under 80% when the number of maximum users was reached.
\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) 25 (including 2 Free License) (See All Supported IP Cameras)
\nTotal FPS (H.264)*
\n750 FPS @ 720p (1280×720)
\n375 FPS @ 1080p (1920\u00d71080)
\n250 FPS @ 3M (2048×1536)
\n200 FPS @ 5M (2591×1944)
\n120 FPS @ 4K (3840×2160)
\nTotal FPS (H.265)*
\n750 FPS @ 720p (1280×720)
\n750 FPS @ 1080p (1920\u00d71080)
\n450 FPS @ 3M (2048×1536)
\n250 FPS @ 5M (2591×1944)
\n200 FPS @ 4K (3840×2160)
\nTotal FPS (MJPEG)*
\n450 FPS @ 720p (1280×720)
\n250 FPS @ 1080p (1920\u00d71080)
\n160 FPS @ 3M (2048×1536)
\n130 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 4K Group 1 (See more)
\nMaximum Transcoding Channel Number
\n2 channel, 30 FPS @ 4K (4096 x 2160), H.264 (AVC)\/H.265 (HEVC) or
\n2 channel, 30 FPS @ 1080p (1920\u00d71080), H.264 (AVC)\/H.265 (HEVC)\/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 Adapter X 1
\nAC Power Cord X 1
\nRJ-45 LAN Cable X 1
\nQuick Installation Guide X 1
\nOptional Accessories
\nSurveillance Device License Pack
\nD3NS1866L-4G RAM Module
\nVS360HD
\nVS960HD<\/p>\n","protected":false},"excerpt":{"rendered":"
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