Hardware Specifications

CPU

CPU Model
Marvell Armada 385 88F6820

CPU Architecture
32-bit

CPU Frequency
Dual Core 1.8 GHz

Hardware Encryption Engine

Memory

System Memory
1 GB DDR3

Storage

Drive Bays
4

Maximum Drive Bays with Expansion Unit
8

Compatible Drive Type*(See all supported drives)

3.5″ SATA HDD
2.5″ SATA HDD
2.5″ SATA SSD

Maximum Internal Raw Capacity
48 TB (12 TB drive x 4) (Capacity may vary by RAID types)

Maximum Raw Capacity with Expansion Units
96 TB (48 TB + 12 TB drive x 4) (Capacity may vary by RAID types)

Maximum Single Volume Size
16 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)

External Ports

RJ-45 1GbE LAN Port
2 (with Link Aggregation / Failover support)

USB 3.0 Port
2

eSATA Port
1

File System

Internal Drives
EXT4

External Drives

EXT4
EXT3
FAT
NTFS
HFS+*
exFAT*

Notes

HFS+ is read only, max 2TB volume size.
exFAT Access is purchased separately in Package Center.

Appearance

Size (Height x Width x Depth)
44 mm x 430.5 mm x 295.5 mm

Weight
4.34 kg

Others

System Fan
40 mm x 40 mm x 3 pcs

Fan Speed Mode

Cool Mode
Quiet Mode

Power Recovery

Noise Level*
28.9 dB(A)

Scheduled Power On/Off

Wake on LAN/WAN

Power Supply Unit / Adapter
150W

AC Input Power Voltage
100V to 240V AC

Power Frequency
50/60 Hz, Single Phase

Power Consumption*
27.9 W (Access)12.4 W (HDD Hibernation)

British Thermal Unit
95.2 BTU/hr (Access)42.31 BTU/hr (HDD Hibernation)

Environment Temperature

Operating Temperature
5°C to 35°C (40°F to 95°F)

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

Relative Humidity
5% to 95% RH

Certification

EAC
CCC
RCM
KC
FCC
CE
BSMI

Warranty
3 Years

Notes

Power consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Noise 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˚C; Humidity: 58.2-61.8%

DSM Specifications( See more )

Storage Management

Maximum Internal Volume Number
256

Maximum iSCSI Target Number
128

Maximum iSCSI LUN
256

Supported RAID Type

Synology Hybrid RAID
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

Synology Hybrid RAID
RAID 1
RAID 5
RAID 6

Volume Expansion by Adding a HDD

Synology Hybrid RAID
RAID 5
JBOD
RAID 6 (with Expansion Unit)

Global Hot Spare Supported RAID Type

Synology Hybrid RAID
RAID 1
RAID 5
RAID 6 (with Expansion Unit)
RAID 10 (with Expansion Unit)

File Sharing Capacity

Maximum Local User Accounts
2048

Maximum Local Groups
256

Maximum Shared Folder
256

Maximum Shared Folder Sync Tasks
4

Maximum Concurrent CIFS/AFP/FTP Connections
256

Windows Access Control List (ACL) Integration

NFS Kerberos Authentication

Log Center

Syslog Events per Second
400

Add-on Packages(learn more about the complete add-on package list)

Chat

Maximum Users
30

Notes

The number of concurrent HTTP connections for 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.

Cloud Station Server

Maximum Number of Concurrently Connected Devices
256

Maximum Number of Hosted Files (ext4)
100,000

Notes

The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing.
Non-encrypted shared folders were used during the aforementioned testing.

Download Station

Maximum Concurrent Download Tasks
50

Drive

Maximum Number of Hosted Files
100,000

Maximum Number of Concurrent Connections for PC Clients
200

Notes

The EXT4 file system was used for the purpose of testing.
The maximum number of concurrent connections refers to the maximum number of connections that can be maintained when the maximum number of hosted files was reached.
The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Drive service.
Non-encrypted shared folders were used during the aforementioned testing.

exFAT Access (optional)

Media Server

DLNA Certification

Moments

Facial recognition

Subject recognition

Office

Maximum Users
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.
Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM

Surveillance Station

Maximum IP cam (Licenses required)
16 (including 2 Free License)(See All Supported IP Cameras)

Total FPS (H.264)*
480 FPS @ 720p (1280×720)400 FPS @ 1080p (1920×1080)160 FPS @ 3M (2048×1536)80 FPS @ 5M (2591×1944)

Total FPS (MJPEG)*
320 FPS @ 720p (1280×720)120 FPS @ 1080p (1920×1080)90 FPS @ 3M (2048×1536)54 FPS @ 5M (2591×1944)

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.

Video Station

Video Transcoding
Group 2(See more)

VPN Server

Maximum Connections
15

Environment & Packaging

Environment
RoHS Compliant

Packaging Content

Main Unit X 1
Welcome Note X 1
Accessory Pack X 1
AC Power Cord X 1

Optional Accessories

Surveillance Device License Pack
Expansion Unit:RX415X 1
VS360HD
VS960HD
Synology RKS1317 – Rail Kit Sliding
Synology RKM114 – Rail Kit Mounted