RS2818RP+

RackStation RS2818RP+

High-capacity and scalable NAS to serve as a centralized backup destination or a file server for small- and medium-sized businesses

Scalable Storage Server On-Demand

RS2818RP+ is an ideal storage solution for small- and medium-sized businesses with great flexibility in terms of expandable storage capacity, upgradable memory and optional high-speed NIC support. It fits perfectly as a backup target for distributed businesses, a centralized file server, or a backup target for employee workstations in a growing business.

CPU
Quad-core 2.1GHz

Ram options
4GB DDR4 UDIMM, up to 64GB

Network
4 x 1GbE port, optional 10GbE NIC support

Chassis
3U design, 16 SATA drive bays

Robust scalability and reliability

RS2818RP+ provides large, scalable storage capacity with affordable total cost of ownership. The 3U chassis design accommodates up to 16 drives and the storage capacity can be further scaled up when connected to one Synology Expansion Unit RX1217 or RX1217RP1, providing a total drive count of 28 without disrupting host services.

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

 
File- or folder-level data restoration accelerates data recovery, providing more flexibility for businesses

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

Ultimate Backup Solution

DS1618+ integrates various backup applications to safeguard your important data on any device with an intuitive user interface and durable storage technologies.

Active Backup for Server

An agentless backup solution protects data from Windows and Linux servers through SMB and Rsync to minimize deployment and management costs.

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.

Desktop Backup

Safeguard your PC with Cloud Station Backup. Effortlessly back up data stored on macOS to Synology NAS with Time Machine.

Active Backup for Office 365/ G Suite

Protect corporate data stored on the cloud. On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.

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.

Digital asset protection

Powered by Synology DiskStation Manager (DSM), Synology NAS offers advanced security measures to protect against sudden data loss and potential security holes.

Security Advisor

Analyzes system settings, password strength, network preferences, and removes any possible malware.

AppArmor

A kernel-level enhancement that blocks malicious programs from accessing unauthorized system resources.

AES 256-bit encryption

Encrypt shared folders and network data transmission to keep data from unauthorized access.

2-step verification

Prevent others from logging in to your DSM by generating a one-time password (OTP) on your mobile device.

Trust Level

Customize the trust level in Package Center to avoid installing packages from untrusted sources, safeguarding your NAS from unknown or tampered package files.

DSM UI

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

Public Cloud Integration

Backup and synchronize data easily between your public cloud accounts and your NAS.

High Availability

Ensures seamless service transition between clustered servers in the event of a server failure.

Drive

A versatile solution for file management and synchronization.

Snapshot Replication

Provides schedulable and instantaneous data protection for shared folders and virtual machines on iSCSI LUNs in the event of disaster.

VMM

Run various operating systems in isolated sandboxes. Seamlessly clone, restore and migrate virtual machines.

Hardware Specifications 
CPU 
CPU ModelIntel Atom C3538
CPU Architecture64-bit
CPU FrequencyQuad Core 2.1 GHz
Hardware Encryption Engine (AES-NI) 
Memory 
System Memory4 GB DDR4
Memory Module Pre-installed4GB (1 x 4GB)
Total Memory Slots4
Memory Expandable up to64 GB (16 GB x 4)
Storage 
Drive Bays16
Maximum Drive Bays with Expansion Unit28
Compatible Drive Type* (See all supported drives)3.5" SATA HDD
 2.5" SATA HDD
 2.5" SATA SSD
  
Maximum Internal Raw Capacity192 TB (12 TB drive x 16) (Capacity may vary by RAID types)
Maximum Raw Capacity with Expansion Units336 TB (192 TB + 12 TB drive x 12) (Capacity may vary by RAID types)
Maximum Single Volume Size108 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)
  
External Ports 
RJ-45 1GbE LAN Port4 (with Link Aggregation / Failover support)
USB 3.0 Port2
Expansion Port1
PCIe 
PCIe Expansion1 x Gen3 x8 slot (black, x4 link)
Add-in-card supportM2D17 - Dual M.2 SSD adapter card for SSD cache
 PCIe Network Interface Card (Learn more)
  
NotesRS2818RP+ with M2D17 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported.
File System 
Internal DrivesBtrfs
 EXT4
  
External DrivesBtrfs
 EXT4
 EXT3
 FAT
 NTFS
 HFS+
 exFAT*
  
NotesexFAT Access is purchased separately in Package Center.
Appearance 
Size (Height x Width x Depth)132.3 mm x 482 mm x 656.5 mm
Weight17.4 kg
Others 
System Fan80 mm x 80 mm x 3 pcs
Fan Speed ModeFull-Speed Mode
 Cool Mode
 Quiet Mode
  
Easy Replacement System Fan 
Power Recovery 
Noise Level*51.0 dB(A)
Scheduled Power On/Off 
Wake on LAN/WAN 
Power Supply Unit / Adapter2 X 500W
AC Input Power Voltage100V to 240V AC
Power Frequency50/60 Hz, Single Phase
Power Consumption*138.1 W (Access, for RP model)
 66.7 W (HDD Hibernation, for RP model)
British Thermal Unit471.5 BTU/hr (Access, for RP model)
 227.7 BTU/hr (HDD Hibernation, for RP model)
Redundant Power Supply (for xs+ and RP model) 
Environment Temperature 
Operating Temperature5°C to 35°C (40°F to 95°F)
Storage Temperature-20°C to 60°C (-5°F to 140°F)
Relative Humidity5% to 95% RH
CertificationEAC
 VCCI
 CCC
 RCM
 FCC
 CE
 BSMI
  
Warranty3 Year Hardware Warranty, Extendable to 5 Year Coverage - EW202
NotesPower consumption is measured when fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
 Support for Wake on WAN needs switch and routers which recognize Magic Packet.
 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%
  
DSM Specifications ( See more ) 
Storage Management 
Maximum Internal Volume Number512
Maximum iSCSI Target Number32
Maximum iSCSI LUN256
iSCSI LUN Clone/Snapshot, Windows ODX 
SSD Read/Write Cache (White Paper)  
SSD TRIM 
RAID Group 
Supported RAID TypeSynology Hybrid RAID
 Basic
 JBOD
 RAID 0
 RAID 1
 RAID 5
 RAID 6
 RAID 10
  
RAID MigrationBasic to RAID 1
 Basic to RAID 5
 RAID 1 to RAID 5
 RAID 5 to RAID 6
  
Volume Expansion with Larger HDDsSynology Hybrid RAID
 RAID 1
 RAID 5
 RAID 6
  
Volume Expansion by Adding a HDDSynology Hybrid RAID
 RAID 5
 RAID 6
 JBOD
  
Global Hot Spare Supported RAID TypeSynology Hybrid RAID
 RAID 1
 RAID 5
 RAID 6
 RAID 10
  
File Sharing Capacity 
Maximum Local User Accounts2048
Maximum Local Groups256
Maximum Shared Folder512
Maximum Shared Folder Sync Tasks8
Maximum Concurrent CIFS/AFP/FTP Connections1000
Windows Access Control List (ACL) Integration 
NFS Kerberos Authentication 
High Availability Manager 
Log Center 
Syslog Events per Second800
Virtualization 
VMware vSphere 6 with VAAI 
Windows Server 2012 
Windows Server 2012 R2 
Windows Server 2016 
Citrix Ready 
OpenStack 
Add-on Packages (learn more about the complete add-on package list)  
Antivirus by McAfee (Trial) 
Central Management System 
Chat 
Maximum Users1500
NotesThe number of concurrent HTTP connections for 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 
Maximum Number of Concurrently Connected Devices1000
Maximum Number of Concurrently Connected Devices (with RAM expansion)2000
Maximum Number of Synced Files (btrfs)1,000,000 / single file reaction time 692 ms
Maximum Number of Synced Files (ext4)1,000,000 / single file reaction time 456 ms
NotesThe maximum number of concurrently connected devices refers to the maximum number of devices that can remain connected at the same time. For more information on file processing capability, please refer to the reaction time for file processing.
 File reaction time refers to the preparation time required for other devices to start downloading a 10KByte file from a Synology NAS after the file has been added to the NAS. RAM expansion was not used during testing.
 Non-encrypted shared folders were used during the aforementioned testing.
  
Document Viewer 
Download Station 
Maximum Concurrent Download Tasks80
Drive 
Maximum Number of Synced Files1,000,000 / single file reaction time 437 ms
Maximum Number of Concurrent Connections for PC Clients550
NotesThe Btrfs file system was used for the purpose of testing.
 The maximum number of concurrent connections refers to the maximum number of connections that could be maintained when the maximum number of synced files was reached.
 File reaction time refers to the preparation time required for other devices to start downloading a 10KByte file from a Synology NAS after the file has been added to the NAS.
 For tested models with expandable memory, the maximum amount of RAM was installed.
 Non-encrypted shared folders were used during the aforementioned testing.
  
exFAT Access (optional) 
MailPlus / MailPlus Server 
Free Email Accounts5 (Licenses required for additional accounts)
Recommended MailPlus Client NumberUp to 100 (Btrfs) / 100 (EXT4)
Maximum Server Performance940,000 (Btrfs) / 1,016,000 (EXT4) emails per day, approx. 28.7 GB (Btrfs) / 31 GB (EXT4)
NotesThe CPU and RAM usages were both under 80% when testing recommended client numbers.
 For tested models with expandable memory, the maximum amount of RAM was installed.
 Read-write SSD cache was enabled in 5-bay (and above) NAS models with 2 SSDs units 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 
Office 
Maximum Users1800
NotesMultiple 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
  
Snapshot Replication 
Maximum Snapshots per Shared Folder1024
Maximum Snapshots of all Shared Folder65536
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)
 960 FPS @ 1080p (1920×1080)
 520 FPS @ 3M (2048x1536)
 320 FPS @ 5M (2591x1944)
 240 FPS @ 4K (3840x2160)
Total FPS (H.265)*1200 FPS @ 720p (1280x720)
 1200 FPS @ 1080p (1920×1080)
 880 FPS @ 3M (2048x1536)
 520 FPS @ 5M (2591x1944)
 400 FPS @ 4K (3840x2160)
Total FPS (MJPEG)*560 FPS @ 720p (1280x720)
 270 FPS @ 1080p (1920×1080)
 190 FPS @ 3M (2048x1536)
 110 FPS @ 5M (2591x1944)
NotesSurveillance 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.
Video Station 
Video TranscodingGroup 1 - Type 1 (See more)
Maximum Transcoding Channel Number1 channel, 30 FPS @ 1080p(1920×1080), H.264 (AVC)/MPEG-4 Part 2 (XVID, DIVX5)/MPEG-2/VC-1
Virtual Machine Manager 
Maximum Virtual DSM Number (Licenses required)4 (including 1 Free License) (Learn more)
NotesVirtual Machine Manager is not supported on hosts running Synology High Availability.
VPN Server 
Maximum Connections20
Environment & Packaging 
EnvironmentRoHS Compliant
Packaging ContentMain Unit X 1
 Accessory Pack X 1
 AC Power Cord X 2 (for RP model)
 Quick Installation Guide X 1