Intel Celeron J3355
Dual Core 2.0 (base) / 2.5 (burst) GHz
Hardware Encryption Engine (AES-NI)
Hardware Transcoding Engine
H.265 (HEVC), MPEG-4 Part 2, MPEG-2, VC-1 maximum resolution: 4K (3840 x 2160)) maximum frame rate per second (FPS): 30
Compatible Drive Type
2.5" SATA HDD
2.5" SATA SSD
Maximum Internal Raw Capacity
30 TB (5 TB drive x 6) (Capacity may vary by RAID types)
Maximum Single Volume Size
Hot Swappable Drive
"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 single volume size is not directly related to the maximum raw capacity.
Each internal volume (may consist of multiple drives) is expandable up to 108TB.
RJ-45 1GbE LAN Port
2 (with Link Aggregation / Failover support)
USB 3.0 Port
exFAT Access is purchased separately in Package Center.
80 mm x 80 mm x 1 pcs
Fan Speed Mode
Easy Replacement System Fan
Brightness Adjustable Front LED Indicators
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter
AC Input Power Voltage
100 V to 240 V AC
50/60 Hz, Single Phase
34.88 W (Access)
7.59 W (HDD Hibernation)
British Thermal Unit
119.1 BTU/hr (Access)
25.92 BTU/hr (HDD Hibernation)
Power consumption is measured when its fully loaded with Western Digital 1TB WD10JFCX hard drive(s).
Noise Level Testing Environment: Fully loaded with WD 1TB WD10JFCX 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: 17.2 dB(A) Temperature: 23.6oC Humidity: 58.2%
5oC to 40oC (40oF to 104oF)
-20oC to 60oC (-5oF to 140oF)
5% to 95% RH
Main Unit X 1
AC Power Adapter X 1
AC Power Cord X 1
RJ-45 LAN Cable X 2
Quick Installation Guide X 1
D3NS1866L-4G DDR3 non-ECC SO-DIMM
Surveillance Device License Pack
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Free 2-Day domestic shipping on orders over $200.
Free return shipping within the US. Find out more.