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
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
Learn more about the benefits of using Btrfs
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
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
1Power indicator
2Power button
3Alert indicator
4Drive status indicator
5Beep off button
6Status indicator
7Drive tray
8Power port
9Fan
10Console port
111GbE RJ-45 port
12USB 3.0 port
13eSATA port
14PCIe expansion slot
Hardware Specs
Software Specs
| CPU |
CPU Model |
Intel Atom C2538 |
| |
CPU Architecture |
64-bit |
| |
CPU Frequency |
Quad Core 2.4 GHz |
| |
Hardware Encryption Engine (AES-NI) |
|
| 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 |
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)
Expansion of the internal volume is only supported if the combined single volume size does not exceed the maximum limit of 108 TB.
|
| 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 Gen2 x8 slot (x4 link) |
| |
Add-In-Card Support |
PCIe Network Interface Card (Learn more)
M2D18 - Dual M.2 SATA SSD adapter card for SSD cache
|
| |
Notes |
RS818(RP)+ with M2D18 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported. |
| 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 |
6.21 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 |
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 fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the Synology NAS 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 |
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 |
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 |
Surveillance Device License Pack
RAM1600DDR3L-8GBx2 DDR3 non-ECC SO-DIMM kit
RAM1600DDR3L-4GBx2 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 Sliding - RKS1317
Synology Rail Kit Mounted - RKM114
VS360HD
VS960HD
|
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 |
|
| |
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 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 |
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 |
|
| Log Center |
Syslog Events per Second |
800 |
| Virtualization |
VMware vSphere 6 with VAAI |
|
| |
Windows Server 2012 |
|
| |
Windows Server 2012 R2 |
|
| |
Windows Server 2016 |
|
| |
Citrix Ready |
|
| |
OpenStack |
|
| 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) |
|
| Central Management System |
|
| 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 |
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 |
|
| Download Station |
Maximum Concurrent Download Tasks |
80 |
| exFAT Access (Optional) |
|
| 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 |
DLNA Compliance |
|
| Moments |
Facial Recognition |
|
| |
Subject Recognition |
|
| |
Auto Color & Rotate |
|
| |
Moments Select |
|
| 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) (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 |
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 (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 |
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 |
Maximum Connections |
20 |
