RackStation RS820+/RS820RP+
Ideal 1U rackmount NAS for high-performance data management

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.
CPU
4-core 2.1 GHz
Memory
2GB DDR4, up to 18GB
High Performance
Over 1,621 MB/s sequential reading
Compact and Efficient
Up to 8 drives with RX418
Built for high service reliability
RS818+/RS818RP+ comes with four 1GbE LAN ports to support Link Aggregation and failover. Synology High Availability support provides a reliable active/passive server cluster, keeping data and services online. Furthermore, RS818+ is equipped with redundant power supplies to deliver increased service continuity.

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.





Flexible Shared Folder / User Quota System provides comprehensive quota control on user accounts and shared folders
Snapshot Replication provides schedulable and storage capacity-saving data protection with 1,024 shared folder backups and 65,000 system-wide snapshots
Real-time collaboration on your private cloud
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. Real-time collaboration on the same online documents to boost productivity. Version control for you to navigate all the changes and retrieve previous versions with just a click. Instant communication on Synology Chat during the editing of documents or spreadsheets.

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.

Active Backup for Business
Active Backup centralizes backup tasks for VMware, Windows, Office 365 and G Suite — so you can manage these backups to Synology NAS from one simple console.

Hyper Backup
Comprehensively back up your data to a local shared folder, an external device, another Synology NAS, an rsync server, or a public cloud to ensure data safety.

Synology Drive
Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.
Engineered for reliability, backed by Synology
DS1817+ is designed to reliably store your data and is backed by Synology’s three-year hardware warranty. An optional two-year extended warranty is available in select regions for up to five years of coverage.

Surveillance Station
Complete surveillance solution for recording, monitoring, and management.
Synology Office
Collaborate on documents, spreadsheets, and slides in real time to boost team productivity.
Synology High Availability
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
DSM UI
Award-winning operating system with an intuitive user interface and powerful capabilities.
Security
Comprehensive built-in security tools are constantly updated to tackle evolving threats and protect your devices.
All-in-one server
Save additional investment by integrating various network services, web/mail services, management applications into your NAS.
CPU | CPU Model | Intel Atom C3538 |
---|---|---|
CPU Architecture | 64-bit | |
CPU Frequency | Quad Core 2.1 GHz | |
Hardware Encryption Engine (AES-NI) | ||
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 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. | ||
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* (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 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 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) |
Add-In-Card Support | PCIe Network Interface Card (Learn more) | |
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 |
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's 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% | ||
Temperature | Operating Temperature | 0°C to 35°C (32°F to 95°F) |
Storage Temperature | -20°C to 60°C (-5°F to 140°F) | |
Relative Humidity | 5% to 95% RH | |
Certification | EAC | |
VCCI | ||
CCC | ||
RCM | ||
KC | ||
FCC | ||
CE | ||
BSMI | ||
Warranty | 3-year hardware warranty, extendable to 5-year coverage - EW202 | |
Notes | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) | |
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. |