，可以保持的連接數(shù)量） 


備注
對于測試的帶可擴(kuò)展內(nèi)存型號，已安裝**數(shù)量的 RAM。
超出以上限制可能會導(dǎo)致文件操作中的響應(yīng)時(shí)間變長？蛻舳藴y試計(jì)算機(jī)規(guī)格：Intel Core i3-3220 / 8GB 內(nèi)存
Video Station
視頻轉(zhuǎn)碼
群組 1 - 類型 1 (查看更多內(nèi)容) 


可支持轉(zhuǎn)檔路數(shù)上限
1 路, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1 
Virtual Machine Manager
建議的虛擬機(jī)器數(shù)量
16 (查看更多內(nèi)容) 


建議的 Virtual DSM 數(shù)量（須購買授權(quán)） 
16 (含 1 組免費(fèi)授權(quán)) 


備注
規(guī)格因系統(tǒng)配置和內(nèi)存大小而異。 
VPN Server
**聯(lián)機(jī)數(shù)
40 

Hardware Specs 
Software Specs 
CPU
CPU Model
Intel Xeon D-1541 


CPU Architecture
64-bit 


CPU Frequency
8-Core 2.1 (base) / 2.7 (turbo) GHz 


Hardware Encryption Engine (AES-NI)


Memory
System Memory
16 GB DDR4 ECC RDIMM 


Memory Module Pre-installed
16 GB (16 GB x 1) 


Total Memory Slots
4 


Memory Expandable up to
128 GB (32 GB x 4) 


Notes
Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
Please 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.
Storage
Drive Bays
12 


Maximum Drive Bays with Expansion Unit
96 (RX1217sas) / 180 (RX2417sas) 


Compatible Drive Type* (See all supported drives)
3.5" SAS HDD
2.5" SAS HDD
2.5" SAS SSD
3.5" SATA HDD
2.5" SATA HDD 
2.5" SATA SSD


Maximum Internal Raw Capacity
192 TB (16 TB drive x 12) (Capacity may vary by RAID types) 


Maximum Raw Capacity with Expansion Units
1,536 TB (192 TB + 16 TB drive x 84) (Capacity may vary by RAID types) 


Maximum Single Volume Size*
200 TB (32 GB RAM required, for RAID 5 or RAID 6 groups only)
108 TB


Hot Swappable Drive




Notes
"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.
The maximum raw capacity is not limited by the maximum single volume size. Synology NAS models may utilize capacities over the maximum single volume size as long as each volume created is below the limit. (Learn more) 
Each internal volume (may consist of multiple drives) is expandble up to 108TB (with memory less than 32GB) or 200TB (with memory equal to or greater than 32GB).
External Ports
RJ-45 1GbE LAN Port
4 (with Link Aggregation / Failover support) 


RJ-45 10GbE LAN Port
2 (with Link Aggregation / Failover support) 


USB 3.0 Port
2 


Expansion Port
1 
PCIe
PCIe Expansion
2 x Gen3 x8 slots (x8 link) 


Add-In-Card Support
PCIe Network Interface Card (Learn more) 
File System
Internal Drives
Btrfs
EXT4


External Drives
Btrfs
EXT4
EXT3
FAT
NTFS
HFS+
exFAT*


Notes
exFAT Access is purchased separately in Package Center. 
Appearance
Form Factor (RU)
2U 


Size (Height x Width x Depth)
88 mm x 482 mm x 724 mm 


Weight
14.5 kg 


Rack Installation Support*
4-post 19" rack (Synology Rail Kit - RKS1317) 


Notes
The rail kit is sold separately 
Others
System Fan
80 mm x 80 mm x 4 pcs 


Fan Speed Mode
Full-Speed Mode
Cool Mode
Quiet Mode


Easy Replacement System Fan




Power Recovery




Noise Level*
49.8 dB(A) 


Scheduled Power On / Off




Wake on LAN / WAN




Power Supply Unit / Adapter
500 W 


Redundant Power Supply




AC Input Power Voltage
100 V to 240 V AC 


Power Frequency
50/60 Hz, Single Phase 


Power Consumption*
137.17 W (Access) 
70.95 W (HDD Hibernation) 


British Thermal Unit
468.04 BTU/hr (Access) 
242.09 BTU/hr (HDD Hibernation) 


Notes
Power consumption is measured when it's fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75?C; Humidity: 58.2-61.8%
Temperature
Operating Temperature
0°C to 35°C (32°F to 95°F) 


Storage Temperature
-20°C to 60°C (-5°F to 140°F) 


Relative Humidity
5% to 95% RH 
Certification
EAC
VCCI
CCC
RCM
KC
FCC
CE
BSMI
Warranty
5 Years 


Notes
The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) 
Environment
RoHS Compliant 
Packaging Content
Main Unit X 1
Accessory Pack X 1
AC Power Cord X 2
Quick Installation Guide X 1
Optional Accessories
D4RD-2666-16G DDR4 ECC RDIMM*
D4RD-2666-32G DDR4 ECC RDIMM 
Surveillance Device License Pack
Expansion Unit: RX1217sas X 7
Expansion Unit: RX2417sas X 7
Synology Ethernet Adapter E10G17-F2
Synology Ethernet Adapter E10G18-T1
Synology Ethernet Adapter E10G18-T2
Synology Rail Kit Sliding - RKS1317
VS360HD
VS960HD


Notes
It is required to use D4RD-2666-16G with identical memory modules of the same capacity and frequency.


Software Specs 
DSM Specifications
Storage Management
Maximum Internal Volume Number
256 


Maximum iSCSI Target Number
256 


Maximum iSCSI LUN
512 


iSCSI LUN Clone/Snapshot, Windows ODX




SSD Read / Write Cache (White Paper) 




SSD TRIM




RAID Group




Supported RAID Type
RAID F1
Basic
JBOD
RAID 0
RAID 1
RAID 5
RAID 6
RAID 10


RAID Migration
Basic to RAID 1
Basic to RAID 5
RAID 1 to RAID 5
RAID 5 to RAID 6


Volume Expansion with Larger HDDs
RAID F1
RAID 1
RAID 5
RAID 6
RAID 10


Volume Expansion by Adding a HDD
RAID F1
JBOD
RAID 5
RAID 6


Global Hot Spare Supported RAID Type
RAID F1
RAID 1
RAID 5
RAID 6
RAID 10
File Services
File Protocol
CIFS/AFP/NFS/FTP/WebDAV 


Maximum Concurrent CIFS/AFP/FTP Connections
4,000 


Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion)
10,000 


Windows Access Control List (ACL) Integration




NFS Kerberos Authentication


Account & Shared Folder
Maximum Local User Accounts
16,000 


Maximum Local Groups
512 


Maximum Shared Folder
512 


Maximum Shared Folder Sync Tasks
32 
High Availability
Synology High Availability


Log Center
Syslog Events per Second
3,000 
Virtualization
VMware vSphere 6 with VAAI




Windows Server 2016




Citrix Ready




OpenStack


General Specifications
Networking Protocols
SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV 


Supported Browsers
Chrome
Firefox
Edge
Internet Explorer 10 onwards
Safari 10 onwards
Safari (iOS 10 onwards)
Chrome (Android 6.0 onwards)


Supported Language
English, Deutsch, Fran?ais, Italiano, Espa?ol, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türk?e, ?esky, ???????, 日本語, ???, 繁體中文, 簡體中文 
Add-on Packages view the complete package list
Antivirus by McAfee (Trial)


Central Management System


Synology Chat
Maximum Users
6,000 


Notes
The number of concurrent HTTP connections for Synology Chat was configured to the maximum.
CPU and RAM usage were both under 80% when the number of maximum users was reached.
For tested models with expandable memory, the maximum amount of RAM was installed.
Document Viewer


Download Station
Maximum Concurrent Download Tasks
80 
exFAT Access (Optional)


Synology MailPlus / MailPlus Server
Free Email Accounts
5 (Licenses required for additional accounts) 


Maximum Number of Concurrent Users
1,100 


Maximum Server Performance
4,471,000 emails per day, approx. 136 GB 


Notes
The CPU and RAM usage were both under 80% when testing the maximum number of concurrent users.
For tested models with expandable memory, the maximum amount of RAM was installed.
Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units installed.
The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server
DLNA Compliance


Moments
Facial Recognition




Subject Recognition




Auto Color & Rotate




Moments Select


PetaSpace


Snapshot Replication
Maximum Snapshots per Shared Folder
1,024 


Maximum of System Snapshots
65,536 
Surveillance Station
Maximum IP cam (Licenses required)
100 (including 2 Free License) (See All Supported IP Cameras) 


Total FPS (H.264)*
3000 FPS @ 720p (1280x720)
2800 FPS @ 1080p (1920x1080)
1200 FPS @ 3M (2048x1536)
700 FPS @ 5M (2591x1944)
500 FPS @ 4K (3840x2160) 


Total FPS (H.265)*
3000 FPS @ 720p (1280x720)
3000 FPS @ 1080p (1920x1080)
2400 FPS @ 3M (2048x1536)
1300 FPS @ 5M (2591x1944)
800 FPS @ 4K (3840x2160) 


Total FPS (MJPEG)*
900 FPS @ 720p (1280x720)
650 FPS @ 1080p (1920x1080)
490 FPS @ 3M (2048x1536)
320 FPS @ 5M (2591x1944) 


Notes
Surveillance 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. 
Synology Drive
Recommended Number of Hosted Files
5,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) 


Recommended Number of Concurrent Sync Clients
2,000 (the number of connections that can be maintained when the recommended number of hosted files was reached) 


Notes
For tested models with expandable memory, the maximum amount of RAM was installed.
Exceeding the limits above may result in longer response time in file operations.
Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
Maximum Users
3,400 


Notes
Multiple files were opened for testing and each file was edited by 30 users simultaneously.
CPU and RAM usage were both under 80% when the number of maximum users was reached.
For tested models with expandable memory, the maximum amount of RAM was installed.
Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Video Station
Video Transcoding
Group 1 - Type 1 (See more) 


Maximum Transcoding Channel Number
1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1 
Virtual Machine Manager
Recommended Virtual Machine Instances
16 (Learn more) 


Recommended Virtual DSM Number (Licenses required) 
16 (including 1 Free License) 


Notes
The specifications vary depending on system configuration and memory size. 
VPN Server
Maximum Connections
40