Synology RS3618xs RackStation 12-Bay 48TB Network Storage Populated

£3,450.81 exc. VAT

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Synology RS3618xs 12-Bay 48TB NAS w/ 12x4TB IronWolf Pro

Please note: 12-bay devices are bundled with drives but not pre-populated.
The Synology RS3618xs RackStation 12-Bay 48TB Network Storage Populated is a reliable, superior-performance network-attached storage solution for large-scale enterprises with demanding business applications. Synology RS3618xs RackStation 12-Bay 48TB Network Storage Populated simplifies data management, optimises virtualisation environments, and rapidly expands storage capacity with minimal time investment in setup and maintenance.

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Synology RS3618xs 12-Bay 48TB NAS w/ 12x4TB IronWolf Pro

Synology RS3618xs RackStation 12-Bay 48TB Network Storage Populated

Please note: 12-bay devices are bundled with drives but not pre-populated.
The Synology RS3618xs RackStation 12-Bay 48TB Network Storage Populated is a reliable, superior-performance network-attached storage solution for large-scale enterprises with demanding business applications. Synology RS3618xs RackStation 12-Bay 48TB Network Storage Populated simplifies data management, optimises virtualisation environments, and rapidly expands storage capacity with minimal time investment in setup and maintenance.

Synology RS1619xs+ 4-Bay 48TB Rackmount Network Storage Populated

Key Features

  • Bundled with 48TB of storage capacity (includes 12 x 4TB Seagate IronWolf Pro HDD).
  • Reliable centralised storage solution for large scale businesses.
  • Quad-core CPU with AES-NI and 8GB DDR4-2133 ECC UDIMM (expandable up to 64GB).
  • Ultra-high performance of over 3,900 MB/s sequential reading and 143,500 iSCSI random read IOPS.
  • Capable of installing 10GbE/40GbE NICs (sold separately).
  • Scalable up to thirty-six (36) drives with Synology RX1217 or RX1217RP expansion units (sold separately).
  • Complete virtualisation solution with Synology Virtual Machine Manager.
  • Dynamic iSCSI/NFS storage for VMware, Windows Hyper-V, Citrix, and OpenStack.
  • Backed by Synology’s 5-year limited warranty and Synology Replacement Service (SRS).

Includes Seagate IronWolf Pro Hard Drives

The Seagate IronWolf Pro SATA Hard Drives are designed for everything business NAS. Get used to tough, ready and scalable 24×7 performance that can handle multi-drive environments with a wide range of capacities. Seagate IronWolf Pro SATA Hard Drives are purpose built for 1 to 16 bay business network attached storage and includes backup, archiving and disaster recovery applications.


Seagate IronWolf Pro 4 TB NAS Internal Hard Drive HDD ? 3.5 Inch SATA 6 GB/s 7200 RPM 128 MB Cache for RAID Network Attached Storage, 3 Years Data Recovery ? Frustration Packaging (ST4000NEZ01)


Hard Drive Vital Statistics

  • Model Number: ST4000NE001
  • Capacity: 4TB
  • Speed: 7200RPM
  • Cache: 128MB
  • Interface: SATA 6Gb/s
  • Form factor: 3.5 inch

High-speed scalable storage server

The Synology RS3618xs is a 2U 12-bay rackmount network-attached storage solution equipped with a quad-core processor and 8GB DDR4 memory (expandable up to 64GB), meeting the needs for large-scale businesses. With 10GbE Link Aggregation enabled, RS3618xs delivers great performance at over 3,900 MB/s sequential reading throughput and 143,500 iSCSI random IOPS under a RAID 5 configuration. Encrypted data throughput can reach over 2,300 MB/s in reading and 1,177 MB/s in writing. RS3618xs provides great flexibility to easily scale up to thirty-six (36) drives when connected to two (2) Synology RX1217 or RX1217RP expansion units (sold separately). Storage capacity can be expanded according to your business needs with minimal effort.

Btrfs: next-generation storage efficiency

The Synology RS3618xs introduces the Btrfs file system, bringing the most advanced storage technologies to meet the management needs of modern businesses:

  • Advanced snapshot technology with customisable backup schedule allows up to 1,024 copies of shared folder backups in a minimum 5-minute interval without occupying huge storage capacity and system resources.
  • File or folder level data restoration brings huge conveniences and saves time for users who wish to restore only a specific file or folder.
  • Flexible Shared Folder/User Quota System provides comprehensive quota control over all user accounts and shared folders.
  • File self-healing: Btrfs file system is able to auto-detect corrupted files with mirrored metadata, and recover broken data using the supported RAID volumes, which include RAID1, 5, 6, 10 and RAID F1.

Comprehensive business applications

Powered by the innovative Synology DiskStation Manager (DSM), RS3618xs comes fully-equipped with applications and features designed specifically for large-scale businesses:

  • Windows AD and LDAP support allows easy integration with existing business directory services without recreating user accounts.
  • Windows ACL support provides fine-grained access control and efficient privilege settings, allowing RS3618xs to fit seamlessly into current infrastructure.
  • Internet file access is simplified by the encrypted FTP server and the web-based file explorer, Synology File Station. HTTPS, firewall, and IP auto-block support ensure file sharing over the internet is protected with a high level of security.
  • Application Privileges controls access to applications and packages based on each individual account, user group, or IP address.
  • MailPlus allows your business to set up a secure, reliable, and private mail server while giving your employees a modern mail client for receiving and sending messages.


Seagate IronWolf NAS Hard Drive - Apple Tech Talk

Effortless virtualisation environment

Synology iSCSI storage fully supports most virtualisation solutions to enhance work efficiency with a simple management interface. VMware vSphere 6.5 and VAAI integration helps offload storage operations and optimises computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rates, while OpenStack Cinder support turns your Synology NAS into a block-based storage component. Synology’s Virtual Machine Manager adds unlimited capabilities to your NAS. Set up and run various virtual machines, including Windows, Linux, and Virtual DSM so that you can test new software versions in a sandbox environment, isolate your customers’ machines, and increase the flexibility of your RS3618xs with reduced hardware deployment and maintenance costs.

Running on Synology DiskStation Manager (DSM)

Synology DiskStation Manager (DSM) is a web-based operating system tailor-made for every Synology NAS. Featuring an intuitive multitasking user interface, DSM provides simple desktop-like experience to minimise effort in exploring and managing your Synology NAS. The built-in Package Centre allows you to download and install a variety of packages designed specifically for your unique needs, ranging from file backup, virtualisation, productivity, safeguard security and utilities. With all the built-in and add-on features, DSM provides comprehensive and fine-grained controls over your RS3618xs, helping you maximise productivity and make the best out of your digital assets in just a few clicks.


Technical Specifications


CPU model

  • Intel Xeon D-1521

CPU architecture

  • 64-bit

CPU frequency

  • Quad Core 2.4 (base) / 2.7 (turbo) GHz

Hardware encryption engine

  • AES-NI


  • 8GB DDR4 ECC UDIMM (8 GB x 1)
  • Expandable up to 64GB (16 GB x 4)

Total memory slots

  • 4

Drive bays

  • 12
  • Bundled with 48TB of storage capacity (includes 12 x 4TB Seagate IronWolf Pro HDD).

Maximum Drive Bays with expansion unit

  • 36

Compatible drive type

  • 3.5″ or 2.5″ SATA SSD/HDD (drives not included)

Maximum internal raw capacity

  • 168 TB (14 TB drive x 12) (capacity may vary by RAID types)

Maximum raw capacity with expansion units

  • 504 TB (168 TB + 14 TB drive x 24) (capacity may vary by RAID types)

Maximum Single Volume Size

  • 200 TB (32GB RAM required, for RAID 5 or RAID 6 groups only)
  • 108 TB

Hot Swappable Drive

  • Yes

External ports

  • 2 x USB 3.0 port
  • 2 x Expansion port

Size (HxWxD)

  • 88 x 430.5 x 692 mm (NAS)
  • 88 x 482 x 724 mm (NAS with server ears)


  • 14.5 kg


  • 4 x 1GbE (RJ-45)

PCIe 3.0 slot

  • 2 x Gen3 x8 slots (x8 link)
  • High-performance network interface card support

Wake on LAN/WAN

  • Yes

Scheduled power on/off

  • Yes

System fan

  • 4 (80 x 80 x 32 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


File system

  • Internal: Btrfs, ext4
  • External: Btrfs, ext4, ext3, FAT, NTFS, HFS+, exFAT (exFAT Access is purchased separately in Package Centre)

Supported RAID type

  • Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID F1

Storage management

  • Maximum internal volumes: 1,024
  • Maximum iSCSI targets: 64
  • Maximum iSCSI LUNs: 512
  • iSCSI LUN clone/snapshot support

SSD cache

  • SSD read-write cache support

File sharing capability

  • Maximum local user accounts: 16,000
  • Maximum local groups: 512
  • Maximum shared folders: 512
  • Maximum concurrent SMB/NFS/AFP/FTP connections: 2,000


  • Windows Access Control List (ACL), application privilege

Directory service

  • Windows AD integration: Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration


  • VMware vSphere 6.5, Microsoft Hyper-V, Citrix, OpenStack


  • Firewall, encrypted shared folder, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let’s Encrypt support, HTTPS (Customisable 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)

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

  • Centralise 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: 16

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: 2,000

Cloud Sync

  • One or two-way synchronisation 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: 75 (total of 2,250 FPS at 720p, H.264)
  • Includes two free camera licences; additional cameras require the purchasing of additional licences

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: 64
  • Maximum shared folder snapshots: 1,024
  • Maximum system snapshots: 65,536

Active Directory Server

  • A flexible and cost-effective domain controller solution


  • Provide a single interface to manage and monitor multiple Synology NAS

VPN Server

  • Maximum connections: 30, 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 licences; additional accounts require the purchasing of additional licences


  • Intuitive webmail interface for MailPlus Server, customisable mail labels, filters, and user interface

Collaboration tools

  • Chat maximum users: 4,000
  • Office maximum users: 1,600, maximum simultaneous editing users: 100
  • Calendar: support CalDAV and access via mobile devices

Note Station

  • Rich-text note organisation and versioning, encryption, sharing, media embedding and attachments

Storage Analyser

  • 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

Security Advisor

  • Malware detection/removal, user account/password, network, system-related security scan

Antivirus Essential

  • Full system scan, scheduled scan, white list customisation, virus definition auto update

Download Station

  • Supported download protocols: BT, HTTP, FTP, NZB, eMule, Thunder, FlashGet, QQDL
  • Maximum concurrent download tasks: 80

Web Station

  • Virtual host (up to 30 websites), PHP/MariaDB, 3rd-party applications support

Other packages

  • Video Station, Photo Station, Audio Station, DNS Server, RADIUS Server, iTunes Server, Log Centre
  • Additional 3rd-party packages are available in Package Centre

Environment and Packaging

Environment safety

  • RoHS compliant

Package content

  • 1 x RS3618xs Enclosure
  • 12 x Seagate IronWolf Pro Hard Drives
  • 1 x Quick Installation Guide
  • 1 x Accessory pack
  • 1 x AC power cord

Standard Warranty: 5-Years

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