CPU Model Intel Celeron J3355
CPU Architecture 64-bit
CPU Frequency Dual Core 2.0 (base) / 2.5 (burst) GHz
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
System Memory 2 GB DDR3L
Memory Module Pre-installed 2 GB (2 GB x 1)
Total Memory Slots 2
Memory Expandable up to 6 GB (2 GB + 4 GB)
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.
Drive Bays 6
Compatible Drive Type* (See all supported drives)
2.5" SATA HDD
2.5" SATA SSD
Maximum Internal Raw Capacity 46.08 TB (7.68 TB drive x 6) (Capacity may vary by RAID types)
Maximum Single Volume Size* 108 TB
Hot Swappable Drive Yes
"Compatible drive type" indicates 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. (Learn more)
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 2
Internal Drives : Btrfs / EXT4
External Drives : Btrfs / EXT4 / EXT3 / FAT / NTFS / HFS+ / exFAT*
Notes exFAT Access is purchased separately in Package Center.
Size (Height x Width x Depth) 121 mm x 151 mm x 175 mm
Weight 1.4 kg
System Fan 80 mm x 80 mm x 1 pcs
Fan Speed Mode
Easy Replacement System Fan
Brightness Adjustable Front LED Indicators
Noise Level* 20.5 dB(A)
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter 65 W
AC Input Power Voltage 100 V to 240 V AC
Power Frequency 50/60 Hz, Single Phase
Power Consumption* 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 it is 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: 23.6?C; Humidity: 58.2%.
Operating Temperature 5Â°C to 40Â°C (40Â°F to 104Â°F)
Storage Temperature -20Â°C to 60Â°C (-5Â°F to 140Â°F)
Relative Humidity 5% to 95% RH
Certification : EAC /VCCI/RCM/FCC/CE/BSMI/
Warranty : 2 Years
The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
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