Product Description
CPU Intel Atom C3538 quad-core 2.1GHz
Hardware encryption engine Yes (AES-NI)
Memory 4 GB DDR4 Non-ECC UDIMM (expandable up to 64 GB with 16 GB ECC UDIMM x 4)
Compatible drive type 12 x 3.5" or 2.5" SATA SSD/HDD (drives not included)
Hot swappable drive Yes
External port • 2 x USB 3.0 port
• 1 x Expansion port
Size (HxWxD)
• 88 x 430.5 x 664 mm (RS2418+)
• 88 x 482 x 696 mm (RS2418+ with server ears)
• 88 x 430.5 x 692 mm (RS2418RP+)
• 88 x 482 x 724 mm (RS2418RP+ with server ears)
Weight • 13.22 kg (RS2418+)
• 13.85 kg (RS2418RP+)
LAN 4 x 1GbE (RJ-45)
PCIe 3.0 slot
• x8 slot x 1 (4-lane)
• High-performance network interface card support
• M.2 SATA SSD adapter card support
Wake on LAN/WAN Yes
Scheduled power on/off Yes
System fan 4 (80 x 80 x 25 mm)
AC input power voltage 100V to 240V AC
Power frequency 50/60Hz, single phase
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
Maximum operating altitude 5,000 m (16,400 ft)
General DSM Specification
Networking protocol SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN ™, L2TP)
File system • Internal: Btrfs, ext4
• External: Btrfs, ext4, ext3, FAT, NTFS, HFS+, exFAT6
Supported RAID type Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
1 Power button and indicator 2 Beep off button 3 Drive tray 4 Drive status indicator
5 Power port 6 PSU indicator and beep off button 7 Power supply on/off switch 8 PSU fan
9 Console port 10 1GbE RJ-45 port 11 USB 3.0 port 12 Expansion port
13 PCIe expansion slot 14 RESET buttonFront
7 108
1 2 3
4Rear
5 9 11 1413
115 6 8 9 10 12 13 14
12RS2418RP+RS2418+
Storage management
• Maximum internal volumes: 512
• Maximum iSCSI targets: 32
• Maximum iSCSI LUNs: 256
• iSCSI LUN clone/snapshot support
SSD cache SSD read-write cache support
File sharing capability
• Maximum local user accounts: 2,048
• Maximum local groups: 256
• Maximum shared folders: 512
• Maximum concurrent SMB/NFS/AFP/FTP connections: 1,000
Privilege Windows Access Control List (ACL), application privilege
Directory service Windows® AD integration: Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration
Virtualization VMware vSphere® 6.5, Microsoft Hyper-V®, Citrix®, OpenStack®
Security Firewall, encrypted shared folder, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS
(Customizable cipher suite)
Supported client Windows 7 and 10, Mac OS X® 10.11 onwards
Supported browser Chrome®, Firefox®, Internet Explorer® 10 onwards, Safari® 10 onwards; Safari (iOS 10 onwards), Chrome (Android™ 6.0 onwards)
Interface Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svensk, Nederlands, Русский, Polski, Magyar,
Português do Brasil, Português Europeu, Türkçe, Český,
Packages and Applications
File Station Virtual drive, remote folder, Windows ACL editor, compressing/extracting archived files, bandwidth control for specific users or groups,
creating sharing links, transfer logs
FTP Server Bandwidth control for TCP connections, custom FTP passive port range, anonymous FTP, FTP SSL/TLS and SFTP protocol, boot over the
network with TFTP and PXE support, transfer logs
Universal Search Offer global search into applications and files
Hyper Backup Support local backup, network backup, and backup data to public clouds
Active Backup for Server Centralize data backup for Windows and Linux servers without client installation
Backup tools DSM configuration backup, macOS Time Machine support, Cloud Station Backup
Shared folder sync - maximum tasks: 8
Cloud Station Suite
Sync data between multiple platforms by installing the client utilities on Windows, Mac, Linux, Android and iOS devices, while retaining up to
32 historical versions of files
Maximum concurrent file transfers: 1,000
Drive • Maximum Number of Synced Files: 1,000,000 / single file reaction time 437 ms
• Maximum Number of Concurrent Connections for PC Clients: 550
Cloud Sync
One or two-way synchronization with public cloud storage providers including Amazon Drive, Amazon S3-compatible storage, Baidu cloud,
Box, Dropbox, Google Cloud Storage, Google Drive, hubiC, MegaDisk, Microsoft OneDrive, OpenStack Swift-compatible storage, WebDAV
servers, Yandex Disk
Surveillance Station Maximum IP cameras: 40 (total of 1,200 FPS at 720p, H.264) (includes two free camera licenses; additional cameras require the purchasing of
additional licenses)
Virtual Machine Manager Deploy and run various virtual machines on Synology NAS, including Windows, Linux, or Virtual DSM
High Availability Manager Reduce service downtime by setting up two identical NAS into one high-availability cluster
Snapshot Replication
• Maximum replications: 32
• Maximum shared folder snapshots: 1,024
• Maximum system snapshots: 65,536
Synology Directory Server A flexible and cost-effective domain controller solution
CMS Provide a single interface to manage and monitor multiple Synology NAS
VPN Server Maximum connections: 20, supported VPN protocol: PPTP, OpenVPN™, L2TP/IPSec
MailPlus Server Secure, reliable, and private mail solution with high-availability, load balancing, security and filtering design (Includes 5 free email account
licenses; additional accounts require the purchasing of additional licenses)
MailPlus Intuitive webmail interface for MailPlus Server, customizable mail labels, filters, and user interface
Collaboration tools
• Chat maximum users: 1,500
• Office maximum users: 1,800
• Calendar: support CalDAV and access via mobile devices
Note Station Rich-text note organization and versioning, encryption, sharing, media embedding and attachments
Storage Analyzer Volume and quota usage, total size of files, volume usage and trends based on past usage, size of shared folders, largest/most/least frequently
modified files
Antivirus Essential Full system scan, scheduled scan, white list customization, virus definition auto update
