• Synology-4bay-NAS-RackStation-RS820+-(Diskless).jpg
  • 6128C-RX3tL._SL1500_.jpg
  • 61muURhPNzL._SL1500_.jpg
  • 61qGYBp5KrL._SL1500_.jpg

Synology 4bay NAS RackStation RS820+ (Diskless)

RM 4,830.00
- +
Add to Cart
Home

PRODUCT OVERVIEW

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.

PRODUCT DESCRIPTION

  • 4-Core, 2. 1 GHz CPU with AES-NI support. 2 GB DDR4 memory expandable up to 18 GB
  • Outstanding 10GbE sequential performance at over 1, 621 MB/s reading and 599 MB/s writing
  • Scale up to 8 drives with Synology expansion unit RX418
  • One Pie 3. 0 slot for an optional 10GbE add-in network interface card, or an M2D18 M. 2 SSD adapter card
  • Advanced Bars file system offering 65, 000 system-wide snapshots and 1, 024 snapshots per shared folder
  • Noise Level*: 27 dB(A)

PRODUCT SPECIFICATION

Hardware Specification

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 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

  • 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 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.  
  • 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


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

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'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.  

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 Specification

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 (White Paper)

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 & 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)

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

Add-on Packages 

Antivirus by McAfee (Trial)

Yes

Central Management System

Yes

Synology Chat

Maximum Users

1,500


Notes

  • The number of concurrent HTTP connections for Synology Chat was configured to the maximum.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • For tested models with expandable memory, the maximum amount of RAM was installed.

Document Viewer

Yes

Download Station

Maximum Concurrent Download Tasks

80

exFAT Access (Optional)

Yes

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

  • The CPU and RAM usage were both under 80% when testing the maximum number of concurrent users.
  • 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

DLNA Compliance

Yes

Moments

Facial Recognition

Yes


Subject Recognition

Yes


Auto Color & Rotate

Yes


Moments Select

Yes

Snapshot Replication

Maximum Snapshots per Shared Folder

1,024


Maximum of System Snapshots

65,536

Surveillance Station

Maximum IP cam (Licenses required)

40 (including 2 Free License)  


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.

Synology Drive

Recommended Number of Hosted Files

1,000,000 (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

  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Exceeding the limits above may result in longer response time in file operations.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.

Synology Office

Maximum Users

1,800


Notes

  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • CPU and RAM usage were both under 80% when the number of maximum users was reached.
  • 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 Transcoding

Group 1 - Type 1


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

Recommended Virtual Machine Instances


Recommended Virtual DSM Number (Licenses required)

4 (including 1 Free License)


Notes

The specifications vary depending on system configuration and memory size.

VPN Server

Maximum Connections

20

WHAT'S IN THE BOX

  • 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

Your Cart

Your cart is currently empty.

Continue browsing here.