Synology NAS RS820RP+ 4Bay Rack Mounted (Diskless) Retail

High-performance storage solution with on-demand scalability

Synology RackStation RS820+/RS820RP+ is designed for businesses pursuing an effective and centralized data management. It comes with four drive trays and 1GbE LAN ports and supports an optional 10GbE network or M.2 SSD adapter card, providing fast data transmission and reducing IO latency.

Next-generation file system for better data protection

The Btrfs file system introduces advanced storage technologies and optimized snapshots to prevent data corruption and reduce maintenance overhead. While ensuring high-level data integrity, it also offers flexible, efficient data protection and recovery tools.

Ultimate Backup Solution

RS820+/RS820RP+ integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.


Real-time collaboration on your private cloud

Synology Office is a collaboration package combining the convenience and usability of public clouds with the data privacy and security guaranteed by private clouds. It allows you to work seamlessly together on documents and spreadsheets in a protected environment.

Hardware Specs
CPU
CPU Model
Intel Atom C3538
CPU Architecture
64-bit
CPU Frequency
Quad Core 2.1 GHz
Hardware Encryption Engine (AES-NI)
Yes


Memory
System Memory
2 GB DDR4
Total Memory Slots
1
Memory Expandable up to
18 GB (2GB + 16 GB)
Notes
Synology reserves the right to replace memory modules with the same or higher frequency based on suppliers 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.
This model does not support the ECC feature, regardless of whether the expansion memory is ECC or non-ECC.


Storage
Drive Bays
4
Maximum Drive Bays with Expansion Unit
8
Compatible Drive Type
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
Yes
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.
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)
Add-In-Card Support
PCIe Network Interface Card
M2D18 - Dual M.2 SATA/NVMe SSD adapter card for SSD cache


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
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
Yes
Noise Level
27 dB(A)
39.9 dB(A) (for RP model)
Scheduled Power On / Off
Yes
Wake on LAN / WAN
Yes
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^oC, Humidity: 58.2-61.8%


Temperature
Operating Temperature
0^oC to 35^oC (32^oF to 95^oF)
Storage Temperature
-20^oC to 60^oC (-5^oF to 140^oF)
Relative Humidity
5% to 95% RH


Certification
EAC
VCCI
CCC
RCM
KC
FCC
CE
BSMI


Environment
RoHS Compliant


Packaging Content
Main Unit X 1
Accessory Pack X 1
AC Power Cord X 1
AC Power Cord X 2 (for RP model)
Quick Installation Guide X 1


Optional Accessories
D4NESO-2666-4G DDR4 non-ECC SO-DIMM
D4ECSO-2666-16G DDR4 ECC SO-DIMM
Surveillance Device License Pack
Expansion Unit: RX418 X 1
Synology Ethernet Adapter E10G17-F2
Synology Ethernet Adapter E10G18-T1
Synology Ethernet Adapter E10G18-T2
Synology M2D18 M.2 SSD adapter card
Synology Rail Kit Mounted - RKM114
Synology Rail Kit Sliding - RKS1317
VS360HD
VS960HD
Notes
This model does not support the ECC feature, regardless of whether the expansion memory is ECC or non-ECC.


Software Specs
DSM Specifications
Storage Management
Maximum Internal Volume Number
64
Maximum iSCSI Target Number
128
Maximum iSCSI LUN
256
iSCSI LUN Clone/Snapshot, Windows ODX
Yes
SSD Read / Write Cache
Yes
SSD TRIM
Yes
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
RAID 10
Volume Expansion by Adding a HDD
Synology Hybrid RAID
JBOD
RAID 5
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 Services
File Protocol
CIFS/AFP/NFS/FTP/WebDAV
Maximum Concurrent CIFS/AFP/FTP Connections
500
Maximum Concurrent CIFS/AFP/FTP Connections (with RAM expansion)
2,000
Windows Access Control List (ACL) Integration
Yes
NFS Kerberos Authentication
Yes


Account and Shared Folder
Maximum Local User Accounts
2,048
Maximum Local Groups
256
Maximum Shared Folder
512
Maximum Shared Folder Sync Tasks
8


High Availability
Synology High Availability
Yes


Log Center
Syslog Events per Second
800


Virtualization
VMware vSphere 6 with VAAI
Yes
Windows Server 2016
Yes
Citrix Ready
Yes
OpenStack
Yes


General Specifications
Networking Protocols
SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported Browsers
Chrome
Firefox
Edge
Internet Explorer 10 onwards
Safari 10 onwards
Safari (iOS 10 onwards)
Chrome (Android 6.0 onwards)