RackStation RS820+/RS820RP+

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RackStation RS820+/RS820RP+

Ideal 1U rackmount NAS for high-performance data management

Features
Specs

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.

Download Datasheet

CPU

4-core 2.1 GHz

Memory

2GB DDR4, up to 18GB

High Performance

Over 1,621 MB/s sequential reading¹

Scalability

Up to 8 drives with RX418²

Built for service reliability

RS820+/RS820RP+ comes with four 1GbE LAN ports to support Link Aggregation and failover. Synology High Availability provides a reliable active/passive server cluster, maximizing service uptime. Furthermore, RS820RP+ is equipped with redundant power supplies to achieve 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.

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Next-generation file system for better data protection

Flexible shared folder/user quota control provides comprehensive quota control on all 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

File or folder level data restoration makes data recovery fast and flexible

Automatic file self-healing detects and recovers corrupted files without user intervention

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, Microsoft 365 and Google Workspace — so you can manage these backups to Synology NAS from one simple console.
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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.
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Synology Drive

Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.
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Engineered for reliability, backed by Synology

RS820+/RS820RP+ 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. Learn more

Powered by Synology DiskStation Manager

Surveillance Station

Complete surveillance solution for recording, monitoring, and management.

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Synology Office

Collaborate on documents, spreadsheets, and slides in real time to boost team productivity.

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Synology High Availability

Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.

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DSM UI

Award-winning operating system with an intuitive user interface and powerful capabilities.

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Security

Secure data with comprehensive built-in security tools to protect your devices against evolving threats.

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All-in-one server

Save additional investment by integrating various network services, web/mail services, management applications into your NAS.

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RackStation RS820+/RS820RP+

1 Power indicator
2 Power button
3 Alert indicator
4 Drive status indicator

5 Beep off button
6 Status indicator
7 Drive tray
8 Console port

9 PCIe expansion slot
10 Power port
11 System fan
12 1GbE RJ-45 port

13 Reset button
14 USB 3.0 port
15 eSATA port

Notes:

Please visit the performance page for test environment
RS820+/RS820RP+ supports one Synology expansion unit RX418, sold separately.

Hardware Specs
Software Specs

Hardware Specifications
CPU
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
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
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
	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.
External Ports
External Ports	RJ-45 1GbE LAN Port	4 (with Link Aggregation / Failover support)
	USB 3.2 Gen 1 Port*	2
	eSATA Port	1
	Notes	The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
PCIe
PCIe	PCIe Expansion	1 x Gen3 x8 slot (black, x4 link)
File System
File System	Internal Drives	Btrfs EXT4
	External Drives	Btrfs EXT4 EXT3 FAT NTFS HFS+ exFAT
	Notes	exFAT Access can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased in Package Center.
Appearance
Appearance	Form Factor (RU)	1U
	Size (Height x Width x Depth)	RS820+ : 44 mm x 480 mm x 492.6 mm RS820RP+ : 44 mm x 480 mm x 518.6 mm
	Weight	RS820+ : 6.4 kg RS820RP+ : 7.96 kg
	Rack Installation Support*	4-post 19" rack (Synology Rail Kit - RKM114/RKS-02)
	Notes	The rail kit is sold separately
Others
Others	System Fan	RS820+ : 40 mm x 40 mm x 3 pcs RS820RP+ : 40 mm x 40 mm x 2 pcs
	Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode
	Power Recovery
	Noise Level*	RS820+ : 27 dB(A) RS820RP+ : 39.9 dB(A)
	Scheduled Power On / Off
	Wake on LAN / WAN
	Power Supply Unit / Adapter	150 W
	Redundant Power Supply	RS820+ : - RS820RP+ :
	AC Input Power Voltage	100 V to 240 V AC
	Power Frequency	50/60 Hz, Single Phase
	Power Consumption*	RS820+ : 37.94 W (Access) 20.96 W (HDD Hibernation) RS820RP+ : 38.88 W (Access) 22.17 W (HDD Hibernation)
	British Thermal Unit	RS820+ : 129.54 BTU/hr (Access) 71.57 BTU/hr (HDD Hibernation) RS820RP+ : 132.75 BTU/hr (Access) 75.70 BTU/hr (HDD Hibernation)
	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%
Temperature
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
Certification	FCC CE BSMI EAC CCC KC VCCI RCM
Warranty
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
Environment	RoHS Compliant
Packaging Content
Packaging Content	RS820+ : Main Unit X 1 Accessory Pack X 1 AC Power Cord X 1 Quick Installation Guide X 1 RS820RP+ : Main Unit X 1 Accessory Pack X 1 AC Power Cord X 2 Quick Installation Guide X 1
Optional Accessories
Optional Accessories	DDR4 non-ECC SODIMM: D4NESO-2666-4G DDR4 ECC SODIMM: D4ECSO-2666-16G Expansion Units: RX418 3.5" SATA HDD: HAT5300 2.5" SATA SSD: SAT5210 M.2 SSD & 10GbE Combo Adapter Card: E10M20-T1 M.2 SSD Adapter Card: M2D20/M2D18 10GbE Network Interface Card: E10G21-F2/E10G18-T2/E10G18-T1 Rail Kit Sliding: RKS-02 Rail Kit Mounted: RKM114* VisualStation: VS360HD Surveillance Device License Pack
	Notes	Certain items may not be available in your location. Please contact your local distributors for more information. All memory modules will operate at the maximum frequency specified by the CPU manufacturer. This model does not support the ECC feature, regardless of whether the expansion memory is ECC or non-ECC.

DSM Specifications
Storage Management
Storage Management	Maximum Single Volume Size*	108 TB
	Maximum Internal Volume Number	64
	SSD Read / Write Cache (White Paper)
	SSD TRIM
	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)
	Notes	Each internal volume (may consist of multiple drives) is expandable up to 108TB.
File Services
File Services	File Protocol	SMB/AFP/NFS/FTP/WebDAV
	Maximum Concurrent SMB/AFP/FTP Connections	500
	Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion)	2,000
	Windows Access Control List (ACL) Integration
	NFS Kerberos Authentication
	Notes	Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM. The testing standard was based on the maximum number of concurrent connections supported by this model. During the testing, 25% of the connections were used to transfer files concurrently. The transfer process guaranteed that the connections were not interrupted; the minimum transfer speed was not guaranteed.
Account & Shared Folder
Account & Shared Folder	Maximum Local User Accounts	2,048
	Maximum Local Groups	256
	Maximum Shared Folder	512
	Maximum Shared Folder Sync Tasks	8
Hybrid Share
Hybrid Share	Hybrid Share Folder Number	4
	Notes	For more supported details, please check this article.
High Availability
High Availability	Synology High Availability
Log Center
Log Center
	Syslog Events per Second	800
Virtualization
Virtualization	VMware vSphere with VAAI
	Windows Server 2016
	Windows Server 2019
	Citrix Ready
	OpenStack
General Specifications
General Specifications	Networking Protocols	SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
	Supported Browsers	Google Chrome Firefox Microsoft Edge Safari
	Supported Language	English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文
	Notes	For an updated list of supported browser versions, check the DSM Technical Specifications.
Add-on Packages view the complete package list
Antivirus by McAfee (Trial)
Antivirus by McAfee (Trial)
Central Management System
Central Management System
Synology Chat
Synology Chat
	Maximum Users	1,500
	Notes	The number of concurrent HTTP connections for Synology Chat was configured to the maximum. For tested models with expandable memory, the maximum amount of RAM was installed.
Document Viewer
Document Viewer
Download Station
Download Station
	Maximum Concurrent Download Tasks	80
SAN Manager
SAN Manager
	Maximum iSCSI Target Number	128
	Maximum LUN	256
	LUN Clone/Snapshot, Windows ODX
	Notes	iSCSI Manager has been renamed to SAN Manager in DSM 7.0.
Synology MailPlus / MailPlus Server
Synology MailPlus / MailPlus Server
	Free Email Accounts	5 (Licenses required for additional accounts)
	Maximum Number of Concurrent Users	150
	Maximum Server Performance	1,484,000 emails per day, approx. 45GB
	Notes	Models with more than 4 bays were installed with two SSDs for SSD cache. For tested models with expandable memory, the maximum amount of RAM was installed. The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers. Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server
Media Server
	DLNA Compliance
Synology Photos
Synology Photos
	Facial Recognition
	Notes	Photo Station and Synology Moments are succeeded by Synology Photos in DSM 7.0. For a features comparison, check this article.
Snapshot Replication
Snapshot Replication
	Maximum Snapshots per Shared Folder	1,024
	Maximum of System Snapshots	65,536
Surveillance Station
Surveillance Station
	Maximum IP cam (Licenses required)	40 (including 2 Free License) (See All Supported IP Cameras)
	Total FPS (H.264)	1200 FPS @ 720p (1280x720) 800 FPS @ 1080p (1920x1080) 340 FPS @ 3M (2048x1536) 240 FPS @ 5M (2591x1944) 120 FPS @ 4K (3840x2160)
	Total FPS (H.265)	1200 FPS @ 720p (1280x720) 1200 FPS @ 1080p (1920x1080) 880 FPS @ 3M (2048x1536) 480 FPS @ 5M (2591x1944) 280 FPS @ 4K (3840x2160)
	Total FPS (MJPEG)	380 FPS @ 720p (1280x720) 250 FPS @ 1080p (1920x1080) 190 FPS @ 3M (2048x1536) 140 FPS @ 5M (2591x1944)
	Notes	Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera. The maximum channel number also includes devices installed on Virtual DSM. Total FPS may be affected by other services running at the same time (e.g., archive tasks performed by Archive Vault).
Synology Drive
Synology Drive
	Recommended Number of Hosted Files	50,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
	Recommended Number of Concurrent Sync Clients	550 (the number of connections that can be maintained when the recommended number of hosted files was reached)
	Notes	Exceeding the recommended numbers above will not block application operations, but may result in longer response time. Utilizing SSD cache can significantly improve performance. For tested models with expandable memory, the maximum amount of RAM was installed. Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
Synology Office
	Maximum Users	1,800
	Notes	Multiple files were opened for testing and each file was edited by 30 users simultaneously. For tested models with expandable memory, the maximum amount of RAM was installed. Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Video Station
Video Station
	Video Transcoding	Group 1 - Type 1 (See more)
	Maximum Transcoding Channel Number	1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Virtual Machine Manager
Virtual Machine Manager
	Recommended Virtual Machine Instances	4 (Learn more)
	Recommended Virtual DSM Number (Licenses required)	4 (including 1 Free License)
	Notes	The specifications vary depending on system configuration and memory size.
VPN Server
VPN Server
	Maximum Connections	40

Notes:

Model specifications are subject to change without prior notice.
The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time.
The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
If usage requirements exceed the specifications above, please contact our regional partners for professional advice.