Synology 4bay NAS RackStation (Diskless), 2 GB DDR4 non-ECC, Intel Atom C3538 CPU, RJ-45 Lan Port x4, USB 3.0 x2, eSATA Port, Black/Gray | RS820+

CPU
CPU Model
Intel Atom C3538
CPU Quantity
1
CPU Architecture
64-bit
CPU Frequency
4-core 2.1 GHz
Hardware Encryption Engine (AES-NI)
Memory
System Memory
2 GB DDR4 non-ECC
Total Memory Slots
1
Maximum Memory Capacity
18 GB (2GB + 16 GB)
Notes
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.
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.
Storage
Drive Bays
4
Maximum Drive Bays with Expansion Unit
8 (RX418 x 1)
Compatible Drive Type* (See all supported drives)
3.5″ SATA HDD
2.5″ SATA HDD
2.5″ SATA SSD
Maximum Internal Raw Capacity
64 TB (16 TB drive x 4) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units
128 TB (64 TB + 16 TB drive x 4) (Capacity may vary by RAID types)
Maximum Single Volume Size*
108 TB
Hot Swappable Drive
Notes
“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 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 expandable up to 108TB.
External Ports
RJ-45 1GbE LAN Port
4 (with Link Aggregation / Failover support)
USB 3.0 Port
2
eSATA Port
1
PCIe
PCIe Expansion
1 x Gen3 x8 slot (black, x4 link)
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)
1U
Size (Height x Width x Depth)
44 mm x 480 mm x 492.6 mm
44 mm x 480 mm x 518.6 mm (for RP model)
Weight
6.4 kg
7.96 kg (for RP model)
Rack Installation Support*
4-post 19″ rack (Synology Rail Kit – RKM114/RKS1317)
Notes
The rail kit is sold separately
Others
System Fan
40 mm x 40 mm x 3 pcs
40 mm x 40 mm x 2 pcs (for RP model)
Fan Speed Mode
Full-Speed Mode
Cool Mode
Quiet Mode
Power Recovery
Noise Level*
27 dB(A)
39.9 dB(A) (for RP model)
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter
150 W
Redundant Power Supply
yes (for RP model)
AC Input Power Voltage
100 V to 240 V AC
Power Frequency
50/60 Hz, Single Phase
Power Consumption*
37.94 W (Access)
20.96 W (HDD Hibernation)
38.88 W (Access) (for RP model)
22.17 W (HDD Hibernation) (for RP model)
British Thermal Unit
129.54 BTU/hr (Access)
71.57 BTU/hr (HDD Hibernation)
132.75 BTU/hr (Access) (for RP model)
75.70 BTU/hr (HDD Hibernation) (for RP model)
Notes
Power consumption is measured when it is 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%