硬件規(guī)格 
軟件規(guī)格 
處理器
處理器型號(hào)
Intel Xeon D-1541 


處理器架構(gòu)
64-bit 


處理器頻率
八核心 2.1 (基本頻率) / 2.7 (睿頻頻率) GHz 


硬件加密引擎 (AES-NI)


內(nèi)存
系統(tǒng)內(nèi)存
16 GB DDR4 ECC RDIMM 


預(yù)安裝內(nèi)存模塊
16 GB (16 GB x 1) 


內(nèi)存 插槽總數(shù)
4 


內(nèi)存 可擴(kuò)充至
128 GB (32 GB x 4) 


備注
Synology 保留根據(jù)供應(yīng)商產(chǎn)品供貨情況，更換相同或更高頻率內(nèi)存模塊的權(quán)利。其兼容性和穩(wěn)定性都經(jīng)過相同嚴(yán)格的測(cè)試檢驗(yàn)，請(qǐng)用戶放心使用。
請(qǐng)選擇 Synology 內(nèi)存模塊以獲得更好的兼容性和可靠性。如在內(nèi)存擴(kuò)充時(shí)使用了非 Synology 內(nèi)存模塊，Synology 將不會(huì)提供全面的產(chǎn)品**或技術(shù)支持。
存儲(chǔ)設(shè)備
磁盤槽數(shù)量
12 


安裝擴(kuò)充設(shè)備之**磁盤槽數(shù)量
96 (RX1217sas) / 180 (RX2417sas) 


兼容磁盤類型* (見所有支持磁盤)
3.5" SAS HDD
2.5" SAS HDD
2.5" SAS SSD
3.5" SATA HDD
2.5" SATA HDD 
2.5" SATA SSD


**內(nèi)部?jī)艨們?chǔ)存容量
192 TB (16 TB drive x 12) (容量會(huì)隨 RAID 種類而異) 


搭配擴(kuò)充裝置之**凈總儲(chǔ)存容量
1,536 TB (192 TB + 16 TB drive x 84) (容量會(huì)隨 RAID 種類而異) 


**單一儲(chǔ)存空間容量*
200 TB (需 32 GB 內(nèi)存, 僅支持 RAID 5 或 RAID 6 群組)
108 TB


磁盤熱插拔支持




備注
“兼容的硬盤類型”表示硬盤經(jīng)過測(cè)試，與 Synology 產(chǎn)品兼容。此術(shù)語(yǔ)不表示每個(gè)硬盤插槽的**連接速度。
**凈總儲(chǔ)存容量不受**單一儲(chǔ)存空間容量限制。 Synology NAS 可利用超過**單一儲(chǔ)存空間以外的容量建立其他儲(chǔ)存空間，其**容量視各機(jī)種支持程度而定。 (查看更多內(nèi)容) 
每個(gè)內(nèi)部存儲(chǔ)空間（可能由多個(gè)硬盤組成）可擴(kuò)充到多達(dá) 108TB（內(nèi)存小于 32GB）或 200TB（內(nèi)存等于或大于 32GB）。
外接端口
RJ-45 1GbE 網(wǎng)絡(luò)埠
4 (支持 Link Aggregation / 故障移轉(zhuǎn)) 


RJ-45 10GbE 網(wǎng)絡(luò)埠
2 (支持 Link Aggregation / 故障移轉(zhuǎn)) 


USB 3.0 端口
2 


擴(kuò)充端口
1 
PCIe
PCIe 擴(kuò)充
2 x Gen3 x8 slots (x8 link) 


附加卡支持
PCIe 網(wǎng)絡(luò)接口卡 (查看更多內(nèi)容) 
文件系統(tǒng)
內(nèi)部磁盤
Btrfs
EXT4


外接磁盤
Btrfs
EXT4
EXT3
FAT
NTFS
HFS+
exFAT*


備注
exFAT Access 需從套件中心另行購(gòu)買。 
外觀
外形規(guī)格 (RU)
2U 


大小 (高 X 寬 X 深)
88 mm x 482 mm x 724 mm 


重量
14.5 公斤 


機(jī)架安裝支持*
四柱式 19 英寸機(jī)架（Synology 導(dǎo)軌套件 - RKS1317） 


備注
導(dǎo)軌套件需另外購(gòu)買 
其他項(xiàng)目
系統(tǒng)風(fēng)扇
80 mm x 80 mm x 4 pcs 


風(fēng)扇模式
*快模式
低溫模式
靜音模式


可更換系統(tǒng)風(fēng)扇




電源自動(dòng)恢復(fù)




噪音值*
49.8 dB(A) 


定時(shí)開/關(guān)機(jī)




網(wǎng)絡(luò)喚醒




電源供應(yīng)器 / 變壓器
500 W 


雙電源供應(yīng)




AC 輸入電壓
100 V 至 240 V AC 


電流頻率
50/60 Hz, 單頻 


電源消耗功率*
137.17 W (存取) 
70.95 W (硬盤休眠) 


英熱單位
468.04 BTU/hr (存取) 
242.09 BTU/hr (硬盤休眠) 


備注
功耗是在滿載 Western Digital 1TB WD10EFRX 硬盤的情況下測(cè)量而得。
噪音級(jí)別測(cè)試環(huán)境：滿載，Seagate 2TB ST2000VN000 硬盤處于閑置狀態(tài)。兩個(gè) G.R.A.S.Type 40AE 麥克風(fēng)，分別架設(shè)在距離 Synology NAS 前后各 1 米處。背景噪音：16.49-17.51 dB(A)；溫度：24.25-25.75?C；濕度：58.2-61.8%
溫度
工作溫度
0°C 至 35°C (32°F 至 95°F) 


存儲(chǔ)溫度
-20°C 至 60°C (-5°F 至 140°F) 


相對(duì)濕度
5% 至 95% RH 
認(rèn)證機(jī)構(gòu)
EAC
VCCI
CCC
RCM
KC
FCC
CE
BSMI
保修
5 年 


備注
保修期從購(gòu)買收據(jù)上注明的購(gòu)買日期開始。(查看更多內(nèi)容) 
環(huán)境
符合 RoHS 標(biāo)準(zhǔn) 
包裝內(nèi)容物
主機(jī) X 1
配件包 X 1
電源線 X 2
快速安裝指南 X 1
選購(gòu)配件
D4RD-2666-16G DDR4 ECC RDIMM*
D4RD-2666-32G DDR4 ECC RDIMM 
監(jiān)控裝置授權(quán)
擴(kuò)充設(shè)備: RX1217sas X 7
擴(kuò)充設(shè)備: RX2417sas X 7
Synology 以太網(wǎng)適配器 E10G17-F2
Synology 以太網(wǎng)適配器 E10G18-T1
Synology 以太網(wǎng)適配器 E10G18-T2
Synology 滑動(dòng)式機(jī)架套件 - RKS1317
VS360HD
VS960HD


備注
需要將 D4RD-2666-16G 與相同容量和頻率的相同內(nèi)存模塊一起使用。如需了解更多信息，請(qǐng)?jiān)L問此處。 


軟件規(guī)格 
DSM 產(chǎn)品規(guī)格
存儲(chǔ)空間管理
**存儲(chǔ)空間數(shù)
256 


** iSCSI Target 數(shù)
256 


** iSCSI LUN 數(shù)
512 


iSCSI LUN Clone/Snapshot, Windows 卸除數(shù)據(jù)傳輸 (ODX)




SSD 讀取/寫入快取 (White Paper) 




SSD TRIM




RAID Group




支持 RAID 磁盤陣列類型
RAID F1
Basic
JBOD
RAID 0
RAID 1
RAID 5
RAID 6
RAID 10


RAID 組態(tài)遷移
Basic to RAID 1
Basic to RAID 5
RAID 1 to RAID 5
RAID 5 to RAID 6


可使用較大硬盤擴(kuò)充存儲(chǔ)空間
RAID F1
RAID 1
RAID 5
RAID 6
RAID 10


新增硬盤擴(kuò)充存儲(chǔ)空間
RAID F1
JBOD
RAID 5
RAID 6


Global Hot Spare 支持 RAID 類型
RAID F1
RAID 1
RAID 5
RAID 6
RAID 10
文件服務(wù)
文件協(xié)議
CIFS/AFP/NFS/FTP/WebDAV 


**同時(shí) CIFS/AFP/FTP 聯(lián)機(jī)數(shù)
4,000 


**同時(shí) CIFS/AFP/FTP 聯(lián)機(jī)數(shù) (搭載擴(kuò)展內(nèi)存)
10,000 


Windows 訪問控制列表 (ACL) 整合




NFS Kerberos 認(rèn)證


帳戶和共享文件夾
**本地使用者賬號(hào)數(shù)
16,000 


**本地群組數(shù)
512 


**共享文件夾數(shù)
512 


**共享文件夾同步任務(wù)
32 
High Availability
Synology High Availability


日志中心
每秒日志接收數(shù)
3,000 
虛擬化支持
VMware vSphere 6 with VAAI




Windows Server 2016




Citrix Ready




OpenStack


通用規(guī)格 
網(wǎng)絡(luò)協(xié)議
SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV 


支持的瀏覽器
Chrome
Firefox
Edge
Internet Explorer 10 或以上版本
Safari 10 或以上版本
Safari (iOS 10 或以上版本)
Chrome (Android 6.0 或以上版本)


支持的語(yǔ)言
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(yǔ), ???, 繁體中文, 簡(jiǎn)體中文 
附加套件 查看套件列表
Antivirus by McAfee (Trial)


Central Management System


Synology Chat
**用戶數(shù)
6,000 


備注
**同時(shí) HTTP 連接數(shù)于測(cè)試 Synology Chat 時(shí)已調(diào)整至**值。
達(dá)**用戶數(shù)時(shí)，CPU 和內(nèi)存 使用率皆低于 80%。
對(duì)于測(cè)試的帶可擴(kuò)展內(nèi)存型號(hào)，已安裝**數(shù)量的 RAM。
Document Viewer


Download Station
**下載任務(wù)數(shù)
80 
exFAT Access (選購(gòu))


Synology MailPlus / MailPlus Server
免費(fèi)電子郵件帳戶數(shù)
5 (想擁有更多的電子郵件帳戶須額外購(gòu)買授權(quán)) 


**同時(shí)上線人數(shù)
1,100 


**化服務(wù)器性能
4,471,000 個(gè)電子郵件/每天, 約 136 GB 


備注
達(dá)**用戶數(shù)時(shí)，CPU 和內(nèi)存使用率皆低于 80%。
對(duì)于測(cè)試的帶可擴(kuò)展內(nèi)存型號(hào)，已安裝**數(shù)量的 RAM。
在已安裝 2 SSD 設(shè)備的 5 顆硬盤 (及以上) NAS 型號(hào)上已啟用讀寫 SSD 緩存。
郵件系統(tǒng)的性能在 high-availability 中將略有下降，原因是兩臺(tái)服務(wù)器之間的數(shù)據(jù)同步。
在所有上述測(cè)試中以下都啟用了這些功能：防垃圾郵件、殺毒、DNSBL、灰名單、內(nèi)容掃描、內(nèi)容掃描、全文搜索 (僅適用于英文)。
Media Server
DLNA 兼容


Moments
人臉識(shí)別




主題識(shí)別




自動(dòng)校色與旋轉(zhuǎn)




Moments 嚴(yán)選


PetaSpace


Snapshot Replication
單一共享文件夾**支持之快照數(shù)量
1,024 


系統(tǒng)快照數(shù)量上限
65,536 
Surveillance Station
**攝像機(jī)支持路數(shù) (須安裝攝像機(jī)授權(quán)) 
100 (含 2 組免費(fèi)授權(quán)) (查看相容網(wǎng)絡(luò)攝像機(jī)) 


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


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


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


備注
Surveillance Station 測(cè)試時(shí)使用 Axis 攝像機(jī)；錄像排程為連續(xù)錄像；使用 Surveillance Station 作為實(shí)時(shí)視頻來源；動(dòng)作偵測(cè)來源設(shè)置為攝像機(jī)；實(shí)時(shí)視頻與錄像使用同一組圖像串流。 
Synology Drive
建議托管文件數(shù)量
5,000,000 （適用于由 Synology Drive 索引或托管的文件。對(duì)于通過其他標(biāo)準(zhǔn)協(xié)議的文件訪問，請(qǐng)參閱上面的文件服務(wù)部分） 


建議計(jì)算機(jī)客戶端同時(shí)連接數(shù)量
2,000 （當(dāng)達(dá)到建議托管文件數(shù)量時(shí)，可以保持的連接數(shù)量） 


備注
對(duì)于測(cè)試的帶可擴(kuò)展內(nèi)存型號(hào)，已安裝**數(shù)量的 RAM。
超出以上限制可能會(huì)導(dǎo)致文件操作中的響應(yīng)時(shí)間變長(zhǎng)。
在上述測(cè)試中使用了 Btrfs 文件系統(tǒng)和未加密的共享文件夾。
Synology Office
**用戶數(shù)
3,400 


備注
打開多個(gè)文件進(jìn)行測(cè)試，并且每個(gè)文件由 30 個(gè)用戶同時(shí)編輯。
達(dá)**用戶數(shù)時(shí)，CPU 和內(nèi)存 使用率皆低于 80%。
對(duì)于測(cè)試的帶可擴(kuò)展內(nèi)存型號(hào)，已安裝**數(shù)量的 RAM。
客戶端效能可能會(huì)影響**同時(shí)編輯使用者數(shù)?？蛻舳藴y(cè)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(gòu)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(yǔ), ???, 繁體中文, 簡(jiǎn)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