Performance Compatibility Downloads Compare Where to Buy

RackStation RS2418+​/​RS2418RP+

High-capacity and scalable NAS designed for businesses with flexible storage and M.2 SSD expandability

Scalable Storage Server On-Demand

RS2418+/RS2418RP+ 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 or M.2 SSD cache support. It serves perfectly as a centralized file server, backup target for distributed businesses, or backup target for employee workstations in a growing business.  

Download Datasheet

CPU

Quad-core 2.1GHz 

RAM options

4GB DDR4 UDIMM, up to 64GB

Scalability

Up to 24 drives with one RX1217/RX1217RP1

Boost your storage performance with easy-to-install add-in cards

Equipped with a PCIe 3.0 slot, RS2418+ supports installing an M.2 SSD adapter card or 10GbE NIC for a high-IOPS system cache and ultra-fast data transmission.

  • SSD

    SSD - Dual M.2 NVMe / SATA SSD slot, compatible with 2280/2260/2242 form factors

  • 10GbE

    10GbE - 10GbE network capacity for bandwidth-intensive environments

  • Note: M2D18 and 10GbE Network adapter card need to be purchased separately.

    • SSD
    • 10GbE
    1. 1
    2. 2

    Ultimate Backup Solution

    RS2418+ 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

    Centralize backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed.
    Learn more

    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.
    Learn more

    Synology Drive

    Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.
    Learn more

    Active Backup for
    Microsoft 365 / G Suite

    On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.
    Microsoft 365G Suite

    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.

    Learn more

    Flexible Shared Folder/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-healing detects and recovers corrupted files without user intervention

    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. Learn more

    Security Advisor

    Analyze system settings, password strength and network preferences, and remove any possible malware.

    AppArmor

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

    AES 256-bit encryption

    ncrypt shared folders and network data transmission to avoid unauthorized data access.

    2-step verification

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

    Powered by Synology DSM

    DSM UI

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

    Learn more

    Public Cloud Integration

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

    Learn more

    Synology High Availability

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

    Learn more

    Synology Drive

    A versatile solution for file management and synchronization. 

    Learn more

    Snapshot Replication

    Schedulable and instantaneous data protection for shared folders and iSCSI LUNs for disaster prevention.

    Learn more

    Virtual Machine Manager

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

    Learn more
    • 1 Power button and indicator
    • 2 Beep off button
    • 3 Drive tray lock
    • 4 Drive status indicator
    • 5 Power port
    • 6 Power supply on/off switch
    • 7 PSU fan
    • 8 Console port
    • 9 1GbE RJ-45 port
    • 10 USB 3.0 port
    • 11 Expansion port
    • 12 PCIe expansion slot
    • 13 Reset button

    Notes:

    1. RS2418+​/​RS2418RP+ supports one Synology expansion unit RX1217/RX1217RP, sold separately.
    • Hardware Specs
    • Software Specs

    Hardware Specifications

    CPU

    CPU

    		 CPU Model Intel Atom C3538
    CPU Architecture 64-bit
    CPU Frequency 4-core 2.1 GHz
    Hardware Encryption Engine (AES-NI)

    Memory

    Memory

    		 System Memory 4 GB DDR4 non-ECC UDIMM
    Memory Module Pre-installed 4 GB (4 GB x 1)
    Total Memory Slots 4
    Maximum Memory Capacity 64 GB (16 GB x 4)
    Notes
    • For more information on memory upgrade limitations, visit here.
    • 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.
    • For more information on the recommended memory configurations, visit here.
    • 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 12
    Maximum Drive Bays with Expansion Unit 24 (RX1217/RX1217RP x 1)
    Compatible Drive Type* (See all supported drives)
    • 3.5" SATA HDD
    • 2.5" SATA HDD
    • 2.5" SATA SSD
    Maximum Single Volume Size* 108 TB
    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.
    • 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
    Expansion Port 1

    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 is purchased separately in Package Center.

    Appearance

    Appearance

    		 Form Factor (RU) 2U
    Size (Height x Width x Depth) 88 mm x 482 mm x 696 mm
    88 mm x 482 mm x 724 mm (for RP model)
    Weight 13.22 kg
    13.85 kg (for RP model)
    Rack Installation Support* 4-post 19" rack (Synology Rail Kit - RKS1317)
    Notes The rail kit is sold separately

    Others

    Others

    		 System Fan 80 mm x 80 mm x 4 pcs
    80 mm x 80 mm x 4 pcs (for RP model)
    Fan Speed Mode
    • Full-Speed Mode
    • Cool Mode
    • Quiet Mode
    Easy Replacement System Fan
    Power Recovery
    Noise Level* 54 dB(A)
    54.1 dB(A) (for RP model)
    Scheduled Power On / Off
    Wake on LAN / WAN
    Power Supply Unit / Adapter 500 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* 109 W (Access)
    52.4 W (HDD Hibernation)
    119.6 W (Access) (for RP model)
    55.9 W (HDD Hibernation) (for RP model)
    British Thermal Unit 371.92 BTU/hr (Access)
    178.8 BTU/hr (HDD Hibernation)
    408.09 BTU/hr (Access) (for RP model)
    190.74 BTU/hr (HDD Hibernation) (for RP model)
    Notes
    • Power consumption is measured when it is 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 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
    • FCC
    • CE
    • BSMI

    Warranty

    Warranty

    		 3 Years
    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
    Notes
    • All memory modules will operate at the maximum frequency specified by the CPU manufacturer.
    • Minimum DSM version requirement: 6.2.2
    • The original non-ECC memory modules must be removed before the optional ECC memory modules can be installed. For more information, 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
    Global Hot Spare Supported RAID Type
    • Synology Hybrid RAID
    • RAID 1
    • RAID 5
    • RAID 6
    • RAID 10

    File Services

    File Services

    		 File Protocol CIFS/AFP/NFS/FTP/WebDAV
    Maximum Concurrent CIFS/AFP/FTP Connections 1,000
    Maximum Concurrent CIFS/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.

    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 16

    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
    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
    • Internet Explorer 10 onwards
    • Safari 10 onwards
    • Safari (iOS 10 onwards)
    • Google 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 550 (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 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.
    • 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

    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)
    960 FPS @ 1080p (1920x1080)
    520 FPS @ 3M (2048x1536)
    320 FPS @ 5M (2591x1944)
    240 FPS @ 4K (3840x2160)
    Total FPS (H.265) 1200 FPS @ 720p (1280x720)
    1200 FPS @ 1080p (1920x1080)
    880 FPS @ 3M (2048x1536)
    520 FPS @ 5M (2591x1944)
    400 FPS @ 4K (3840x2160)
    Total FPS (MJPEG) 560 FPS @ 720p (1280x720)
    270 FPS @ 1080p (1920x1080)
    190 FPS @ 3M (2048x1536)
    110 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 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 The specifications vary depending on system configuration and memory size.

    VPN Server

    VPN Server
    Maximum Connections 30

    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.