Hardware Specifications

CPU

CPU Model

Intel Celeron J3455

CPU Architecture

64-bit

CPU Frequency

 quad-core 1.5GHz, burst up to 2.3GHz

Floating Point

Hardware Encryption Engine (AES-NI)

Hardware 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

Memory

System Memory

2 GB DDR3L (expandable up to 6 GB)

Storage

Drive Bay(s)

2

Maximum Drive Bays with Expansion Unit

7

Compatible Drive Type (See all supported drives)

• 3.5" SATA III / SATA II HDD
• 2.5" SATA III / SATA II HDD
• 2.5" SATA III / SATA II SSD

Maximum Internal Raw Capacity

20 TB (10 TB HDD x 2) (Capacity may vary by RAID types)

Maximum Raw Capacity with Expansion Units

70 TB (10 TB HDD x 7) (Capacity may vary by RAID types)

Maximum Single Volume Size

108 TB

Hot Swappable Drive

External Ports

USB 3.0 Port

3

eSATA Port

1

USBCopy Button

 1

File System

Internal Drives

• Btrfs
• EXT4

External Drives

• Btrfs
• EXT4
• EXT3
• FAT
• NTFS
• HFS+

Appearance

Size (Height x Width x Depth)

157 mm x 103.5 mm x 232 mm 

Weight

1.74 kg 

Others

RJ-45 1GbE LAN Port

2 (with Link Aggregation / Failover support)

Wake on LAN/WAN

System Fan

92 mm x 92 mm x 1 pcs

Fan Speed Mode

• Cool Mode
• Quiet Mode

Wireless Support (dongle)

Power Recovery

Noise Level*

18 dB(A) 

Scheduled Power On/Off

Power Supply Unit / Adapter

65W 

AC Input Power Voltage

100V to 240V AC

Power Frequency

50/60 Hz, Single Phase

Power Consumption*

18.96 W (Access) 

8.84 W (HDD Hibernation) 

British Thermal Unit

64.74 BTU/hr (Access) 

30.18 BTU/hr (HDD Hibernation) 

Environment Temperature

Operating Temperature

5°C to 40°C (40°F to 104°F)

Storage Temperature

-20°C to 60°C (-5°F to 140°F)

Relative Humidity

5% to 95% RH

Certification

• FCC Class B
• CE Class B
• BSMI Class B

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 1TB ST31000520AS 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%