RackStation RS818+​/​RS818RP+

Performance Compatibility Download Center Compare
Performance Compatibility Download Center Compare

RackStation RS818+​/​RS818RP+

High performance 1U rackmount NAS for small- and medium-sized businesses

Powerful and scalable storage solution

Synology RackStation RS818+/RS818RP+ comes with a quad-core processor with the AES-NI hardware encryption engine, quad 1GbE LAN ports, and optional 10GbE NIC support. It provides both high performance and a scalable storage solution for sharing files across different platforms, centralizing data backups, and protecting critical assets. 

Download Datasheet

CPU

Quad-core 2.4GHz

Memory

2GB DDR3, up to 16GB

High Performance

Over 1,291 MB/s sequential reading1

Compact and Efficient

Up to 8 drives with RX418 expansion unit2

Empower your storage with speedier performance

RS818+/RS818RP+ allows network and memory upgrades to boost system performance.

  • Network

    Optional 10GbE network adapter for bandwidth-intensive environments
  • Memory

    Performance optimization with optional dual-channel memory expansion
  1. 1
  2. 2

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, RS818RP+ is equipped with redundant power supplies to deliver increased service continuity.

Btrfs: Next generation storage efficiency

The Btrfs file system introduces the most advanced storage technologies to meet the management needs of modern large scale businesses:

Flexible Shared Folder and User Quota System 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-healing3 detects and recovers corrupted files without user intervention

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.

Real-time collaboration on the same online documents to boost productivity,

Instant communication on Synology Chat during the editing of documents or spreadsheets

Version control for you to navigate all the changes and retrieve previous versions with just a click

  1. Real-time collaboration on the same online documents to boost productivity,
  2. Instant communication on Synology Chat during the editing of documents or spreadsheets
  3. Version control for you to navigate all the changes and retrieve previous versions with just a click

Fully certified storage virtualization solutions

Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.

Engineered for reliability, backed by Synology

RS818+ 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 DSM

Surveillance Station

Complete surveillance solution for recording, monitoring, and management.

Learn more

Desktop Backup

Simplified backup solution for your Mac, PC, and mobile devices.

Learn more

Hyper Backup

Store multiple backup versions with block-level incremental data backup and cross-version deduplication.

Learn more

DSM UI

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

Learn more

Security

Comprehensive built-in security tools are constantly updated to protect your devices against evolving threats.

Learn more

All-in-one server

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

Learn more
  • 1 Power indicator
  • 2 Power button
  • 3 Alert indicator
  • 4 Drive status indicator
  • 5 Beep off button
  • 6 Status indicator
  • 7 Drive tray
  • 8 Power port
  • 9 Fan
  • 10 Console port
  • 11 1GbE RJ-45 port
  • 12 USB 3.0 port
  • 13 eSATA port
  • 14 PCIe expansion slot

Notes:

  1. Please visit the performance page for test environment
  2. RS818+/RS818RP+ supports one Synology expansion unit RX418, sold separately.
  3. Automatic file self-healing requires the “copy-on-write” feature to be enabled on Btrfs-based shared folders.

Hardware Specifications

CPU

CPU

CPU Model Intel Atom C2538
CPU Architecture 64-bit
CPU Frequency Quad Core 2.4 GHz
Hardware Encryption Engine (AES-NI)

Memory

Memory

System Memory 2 GB DDR3
Memory Module Pre-installed 2 GB (2 GB x 1)
Total Memory Slots 2
Memory Expandable up to 16 GB (8 GB x 2)
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.

Storage

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

External Ports

RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
USB 3.0 Port 2
eSATA Port 1

PCIe

PCIe

PCIe Expansion 1 x Gen2 x8 slot (x4 link)
Add-In-Card Support
Notes RS818(RP)+ with M2D18 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported.

File System

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

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 6.21 kg
7.63 kg (for RP model)
Rack Installation Support* 4-post 19" rack (Synology Rail Kit - RKM114/RKS1317)
Notes The rail kit is sold separately

Others

Others

System Fan 40 mm x 40 mm x 2 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* 28.5 dB(A)
32.7 dB(A) (for RP model)
Scheduled Power On / Off
Wake on LAN / WAN
Power Supply Unit / Adapter 100 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* 45.28 W (Access)
20.81 W (HDD Hibernation)
45.73 W (Access) (for RP model)
21.79 W (HDD Hibernation) (for RP model)
British Thermal Unit 154.61 BTU/hr (Access)
71.05 BTU/hr (HDD Hibernation)
156.14 BTU/hr (Access) (for RP model)
74.4 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

Temperature

Operating Temperature 5°C to 35°C (40°F to 95°F)
Storage Temperature -20°C to 60°C (-5°F to 140°F)
Relative Humidity 5% to 95% RH

Certification

Certification

  • EAC
  • VCCI
  • CCC
  • RCM
  • KC
  • FCC
  • CE
  • BSMI

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

  • 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

Optional Accessories

  • Surveillance Device License Pack
  • RAM1600DDR3L-4GBx2 DDR3 non-ECC SO-DIMM kit
  • RAM1600DDR3L-8GBx2 DDR3 non-ECC SO-DIMM kit
  • 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 For more information on memory upgrade limitations, visit here.

DSM Specifications

Storage Management

Storage Management

Maximum Internal Volume Number 64
Maximum iSCSI Target Number 128
Maximum iSCSI LUN 256
iSCSI LUN Clone/Snapshot, Windows ODX
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)

File Services

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
NFS Kerberos Authentication

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

High Availability

High Availability

Synology High Availability

Log Center

Log Center

Syslog Events per Second 800

Virtualization

Virtualization

VMware vSphere 6 with VAAI
Windows Server 2012
Windows Server 2012 R2
Windows Server 2016
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
  • 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 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.
  • 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.

Cloud Station Server

Cloud Station Server

Recommended Number of Hosted Files 1,000,000
Recommended Number of Concurrent Sync Clients 500 (the number of connections that can be maintained when the recommended number of hosted files was reached)
Notes
  • The maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time.
  • The maximum number of hosted files refers to the maximum number of files that can be indexed and hosted by the Cloud Station Server service. RAM expansion was not used during testing.
  • Non-encrypted shared folders were used during the aforementioned testing.

Document Viewer

Document Viewer

Download Station

Download Station

Maximum Concurrent Download Tasks 80

exFAT Access (Optional)

exFAT Access (Optional)

Synology MailPlus / MailPlus Server

Synology MailPlus / MailPlus Server

Free Email Accounts 5 (Licenses required for additional accounts)
Maximum Number of Concurrent Users 100
Maximum Server Performance 897,000 emails per day, approx. 27GB
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

Media Server

DLNA Compliance

Moments

Moments

Facial Recognition
Subject Recognition
Auto Color & Rotate
Moments Select

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)
900 FPS @ 1080p (1920x1080)
320 FPS @ 3M (2048x1536)
270 FPS @ 5M (2591x1944)
120 FPS @ 4K (3840x2160)
Total FPS (H.265)* 1200 FPS @ 720p (1280x720)
1200 FPS @ 1080p (1920x1080)
560 FPS @ 3M (2048x1536)
300 FPS @ 5M (2591x1944)
200 FPS @ 4K (3840x2160)
Total FPS (MJPEG)* 540 FPS @ 720p (1280x720)
200 FPS @ 1080p (1920x1080)
150 FPS @ 3M (2048x1536)
90 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

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

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 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
  • Virtual Machine Manager is not supported on hosts running Synology High Availability.
  • The specifications vary depending on system configuration and memory size.

VPN Server

VPN Server

Maximum Connections 20

Notes:

  • Model specifications are subject to change without prior notice.