Synology RS1221+RackStation 8-Bay Network Storage Enclosure (4GB RAM)

£1,178.58 inc.VAT / £982.15 exc.VAT

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Synology RS1221+RackStation 8-Bay NAS Enclosure (4GB RAM)

The Synology RS1221+RackStation 8-Bay Network Attached NAS Storage Enclosure is perfect for centralising data management in short rack-depth environments. The RS1221+ series is ideal at handling heavy file workloads and protecting digital assets in small business environments through the comprehensive data protection options included in the DiskStation Manager (DSM) operating system.

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Synology RS1221+RackStation 8-Bay NAS Enclosure (4GB RAM)

Synology RS1221+RackStation 8-Bay Network Storage Enclosure (4GB RAM)

The Synology RS1221+RackStation 8-Bay Network Storage Enclosure (4GB RAM) Attached NAS Storage Enclosure is perfect for centralising data management in short rack-depth environments. The RS1221+ series is ideal at handling heavy file workloads and protecting digital assets in small business environments through the comprehensive data protection options included in the DiskStation Manager (DSM) operating system.

Synology RS1221+RackStation 8-Bay Network Storage Enclosure

Key Features

  • Unpopulated eight (8) bay network attached NAS storage enclosure.
  • High Performance: Tackle multi-user environments effortlessly with up to 2,315 MB/s read and 1,147 MB/s write performance.
  • Compact Deployment: The RS1221+ features a short depth of just 298 mm.
  • 10GbE Ready: Improve network performance by 5X with a PCIe SFP+ or RJ45 network card (sold separately).
  • High Availability: Configure two units together to create a Synology High Availability (SHA) cluster for maximum service uptime and minute-level failover


RS1221+ Synology NAS Review

Versatile by Design

Synology RS1221+ is a multi-purpose powerhouse, suited to a wide range of scenarios.

  • Over 108,173 4K random read IOPS and 2,315 MB/s sequential write for demanding workloads.
  • Features eight (8) bays, supporting SATA HDD/SSD 2.5″/3.5″ drives, expandable up to twelve (12) bays using a Synology RX418 expansion unit (sold separately).

Optimised for Data Protection and Integrity

Powered by Synology DSM, a unified data management operating system, and built upon the Btrfs file system, data stored on the RS1221+ is safely guarded by modern data protection technologies.

  • Advanced snapshot technology provides schedulable and near-instantaneous data protection of shared folders and LUNs.
  • File and folder-level data restoration enables restoration of specific files or folders.
  • Flexible storage quota system helps admins effortlessly manage available space by specifying storage limits for shared folders.
  • File self-healing detects and recovers corrupted files using mirrored metadata and RAID configurations.
  • Inline compression compresses data before writing it to the drive, reducing write commands and optimising storage space.


Data Backup Solutions for IT Infrastructure

  • Synology Active Backup Suite is a collection of licence-free backup solutions built to protect Windows PCs and servers, VMs, other file servers, and cloud-based storage.
  • Active Backup for Business (ABB) consolidates backup tasks for physical and virtual environments and enables rapid restoration of files, entire physical machines, and VMs.
  • Active Backup for G Suite enables backup of Google Workspace data including Gmail, Contacts, Calendar, and Drive.
  • Active Backup for Microsoft 365 enables backup of Microsoft 365 data including OneDrive for Business, SharePoint Online, emails, contacts, and calendar.


On-Premises Collaboration

Synology’s collaboration suite is a private SaaS for file sharing, concurrent document editing, emails, instant messaging, and more. By leveraging a private cloud infrastructure, it ensures data ownership while multi-layered security enables secure multi-platform access.

  • Synology Drive allows data access, synchronisation, on-demand file restoration, and backup.
  • Synology MailPlus provides a secure, reliable, and private email server.
  • Synology Chat brings teams together through instant multi-platform communication.
  • Synology Calendar helps teams keep track of what is most important with convenient calendar sharing and scheduling.

Private Video Surveillance

With Synology Surveillance Station, the RS1221+ becomes a powerful Network Video Recorder solution with support for up to 40 IP cameras.

  • 7,600+ supported camera models.
  • ONVIF support to prevent vendor lock-in.
  • Private, subscription-free storage of the recordings.
  • Access through web browser, dedicated desktop clients, or mobile app.
  • Event-based rules to trigger specific actions.
  • Email, SMS, or push notification systems.

Virtualisation and Certified Storage

DSM streamlines the provisioning and management of storage for virtual machines (VM). Certified for VMware vSphere, Microsoft Hyper-V, Citrix XenServer, and OpenStack, it integrates with your virtualisation platform of choice through iSCSI or NFS protocols. Install Synology Storage Console on VMware or Windows platforms for additional management convenience and functionality right in the hypervisor.

Synology Virtual Machine Manager (VMM) is a hosted hypervisor for virtual machines running Windows, Linux, or virtualised versions of DSM with recovery mechanisms that ensure data protection on each VM6.



  • AMD Ryzen V1500B quad-core 2.2 GHz

Hardware encryption engine

  • Yes (AES-NI)


  • 4 GB DDR4 ECC SODIMM (expandable up to 32 GB)

Compatible drive types

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

Hot swappable drive

  • Yes

External ports

  • 2 x USB 3.2 Gen 1 ports
  • 1 x Expansion port (eSATA)

Form factor Rackmount

  • 2U

Size (HxWxD)

  • 88 x 482 x 407.5 mm (with server handles)


  • 8.4 kg

Rack installation support

  • 4-post 19″ rack

LAN ports

  • 4 x 1GbE RJ45

Wake on LAN/WAN

  • Yes

PCIe 3.0 slot

  • 1 x 4-lane x8 slot
  • Supports network interface cards and M.2 NVMe SSD adapter cards (sold separately) for SSD cache

Scheduled power on/off

  • Yes

System fans

  • 2 x (80 x 80 x 25 mm)

AC input power voltage

  • 100 V to 240 V AC

Power frequency

  • 50/60 Hz, single phase

Operating temperature

  • 0°C to 35°C (32°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 protocols


File systems

  • Internal: Btrfs, ext4
  • External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT9

Supported RAID types

  • Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10

Storage management

  • Maximum single volume size: 108/200 TB10
  • Maximum system snapshots: 65,53611
  • Maximum internal volumes: 64

SSD cache

  • Read/write cache support
  • 2.5″ SATA SSD support
  • M.2 NVMe SSD support8

File sharing capabilities

  • Maximum local user accounts: 2,048
  • Maximum local groups: 256
  • Maximum shared folders: 512
  • Maximum concurrent SMB/NFS/AFP/FTP connections: 1,000


  • Windows Access Control List (ACL), application privileges

Directory services

  • Connects with Windows AD/LDAP servers enabling domain users to login via SMB/NFS/AFP/FTP/File Station using their existing credentials.


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


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

Supported clients

  • Windows 7 onwards, macOS 10.12 onwards

Supported browsers

  • Chrome, Firefox, Edge, Internet Explorer 10 onwards, Safari 10 onwards, Safari (iOS 10 onwards), Chrome (Android 6.0 onwards) on tablets

Interface languages

  • English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svensk, Nederlands, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Ceský

File Server & Synchronisation


  • Synchronises files across Windows, macOS, Linux, Android and iOS. The built-in cross-platform portal allows access to data anytime and anywhere.
    • Maximum number of hosted files: 1,000,000
    • Maximum number of concurrent connections for PC clients: 550

File Station

  • Provides virtual drives, remote folders, Windows ACL editor, compression/extraction of archived files, bandwidth control for specific users/groups, creation of sharing links, and transfer logs.

FTP Server

  • Supports bandwidth control for TCP connections, custom FTP passive port ranges, anonymous FTP, FTP over TLS/SSL and SFTP protocols, network booting with TFTP and PXE support, and transfer logs.

Presto File Server

  • Enables high-speed data transfer over WAN through the exclusive SITA technology between Synology NAS and desktop.

Cloud Sync

  • Offers one or two-way synchronisation with public cloud storage providers including Alibaba Cloud OSS, Amazon S3-compatible storage, Backblaze B2, Baidu Cloud, Box, Dropbox, Google Cloud Storage, Google Drive, hubiC, MegaDisk, Microsoft OneDrive, OpenStack Swift-compatible storage, Tencent COS, WebDAV servers and Yandex Disk.

Universal Search

  • Enables global search of applications and files.

iSCSI Storage & Virtualisation

iSCSI Manager

  • Maximum iSCSI targets: 128
  • Maximum iSCSI LUNs: 256
  • iSCSI LUN clone/snapshot support

Virtual Machine Manager

  • Deploys and runs virtual machines on the Synology NAS, including Windows, Linux, and Virtual DSM.

Data Protection & Backup Solution

Hyper Backup

  • Supports local backup, network backup, and data backup to public clouds.

Backup tools

  • DSM configuration backup, macOS Time Machine support, Synology Drive Client desktop application.
  • Shared folder sync supports a maximum of 16 tasks

Snapshot Replication

  • Maximum number of snapshots for shared folders: 1,024
  • Maximum number of replications: 32

Synology High Availability

  • Reduces service downtime by combining two identical NAS into a high-availability cluster.

Active Backup for G Suite

  • Supports backup and restoration of Google Workspace My Drive, Team Drive, Gmail, Contacts, and Calendar.

Active Backup for Microsoft 365

  • Supports backup and restoration of Microsoft 365 OneDrive for Business, mail, contacts, and calendar.

Active Backup for Business

  • An all-in-one backup solution designed for heterogeneous business IT environments. It enables IT admins to remotely manage and protect PCs, servers, and VMs from one centralised console.

Productivity & Collaboration

Collaboration tools

  • Users can collaborate through the instant messaging service Synology Chat, the online editor Synology Office, and the scheduling assistant Synology Calendar.
    • Maximum users for Chat: 1,500
    • Maximum users for Office: 1,800
    • Calendar supports CalDAV and access via mobile devices

Note Station

  • A note taking platform that supports rich text, note organisation and versioning, encryption, sharing, media embedding, and attachments.

Synology MailPlus Server

  • A secure, reliable, and private mail solution featuring high-availability, load balancing, security, and filtering.

Synology MailPlus

  • An intuitive webmail interface for Synology MailPlus Server with customisable mail labels, filters, and user interface.



  • A feature-rich photo management application that includes AI-powered album creation from facial and subject recognition, photo editing and sharing capabilities, similar photo detection for duplicate management, auto-editing functions such as colour correction and angle adjustments, and auto-selection of the best shots. Mobile applications are available on iOS and Android devices.

Other packages

  • Video Station, Photo Station, Audio Station, iTunes Server


Surveillance Station

  • Maximum IP cameras: 40, for a total of 1,200 FPS at 720p (H.264)

All-in-One Servers

Synology Directory Server

  • Provides a flexible and cost-effective domain controller solution.

Central Management System

  • Provides a single interface to manage and monitor multiple Synology NAS.

VPN Server

  • Maximum connections: 30
  • Supported VPN protocols: PPTP, OpenVPN, L2TP/IPSec

Mail Server

  • Supported Mail Server protocols: POP3, SMTP, IMAP
  • LDAP/AD account support

Mail Station

  • A webmail interface for Mail Server to receive emails from multiple POP3 mailboxes and SMTP servers.

Web Station

  • Enables hosting for up to 30 websites with support for PHP/MariaDB and 3rd-party applications.

Other packages

  • DNS Server, RADIUS Server, Log Centre


Storage Analyser

  • Displays volume and quota usage, total size of files, volume usage and trends based on past usage, size of shared folders, large files, most recently modified files, and least recently accessed files.

Antivirus Essential

  • Provides full system scans, scheduled scans, white list customisation, and auto-update of virus definitions.

iOS/Android applications

  • Synology Drive, Synology MailPlus, Synology Chat, Synology LiveCam, Moments, DS audio, DS photo, DS video, DS cam, DS file, DS finder, DS note

Other packages

  • Additional 3rd-party packages are available in the Package Centre.

Environment and Packaging

Environment safety

  • RoHS compliant

Package contents

  • 1 x Synology RS1221+ enclosure
  • 1 x Quick Installation Guide
  • 1 x Accessory pack
  • 1 x Power cable
  • 1 x C13 to C14 cable

Standard Warranty: 3-Years

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