Synology 12 Bay RackStation RS2421+ (Diskless)
- Supports essential workloads with read and write speeds of up to 2,200 MB/s and 1,154 MB/s, respectively
- Creates a Synology High Availability cluster with two devices to provide minute-level failover and maximum service uptime
- Allows restoration of particular files or directories
- Provides shared folders and LUNs with schedulable and almost immediate data protection
- Specifies storage limitations for shared folders to assist administrators in managing available space
- Reduces the number of write commands required and maximizes storage space by compressing data before they are written to the device
12 Bay RackStation Description
Specifically created for small businesses and remote office installations, the Synology RackStation RS2421+ is a 2U 12-bay rackmount NAS with affordable file management, sharing, and backup features. Data stored on the RS2421+ are securely protected by cutting-edge data protection mechanisms, as this device is run by Synology's DSM operating system, which is designed for data management and is based on the Btrfs file system.
Synology Active Backup for Business (ABB) consolidates backup tasks for physical and virtual environments with quick file, machine, and VM restoration. Active Backup Suite is a collection of license-free backup solutions designed to safeguard Windows PCs and servers, VMs, other file servers, and SaaS applications. A full backup of all Microsoft 365 data, including that from OneDrive for Business, SharePoint Online, emails, contacts, and calendars, is offered by Active Backup for Microsoft 365. Users can back up Google Workspace data from Gmail, Contacts, Calendar, and Drive using Active Backup for Google Workspace.
Remote and On-Premises Collaboration
For on-premises and remote workers to collaborate on projects, share files, manage emails, send instant messaging, and more, Synology's collaboration suite offers a private cloud solution. Businesses can secure complete data ownership and multi-layered protection by utilising private cloud infrastructure.
Reliable Solutions
With the help of Synology Office's Synology Documents, Spreadsheets, and Slides, multiple users may collaborate on, edit, and share data. Data access, synchronisation, on-demand file restoration, and backup are all possible with Synology Drive. With a one-on-one, group, and encrypted private channels across many platforms, Synology Chat helps teams communicate. A private, dependable, and secure email server is offered by Synology MailPlus. Synology Calendar offers seamless calendar sharing and scheduling to assist teams in keeping track of what is most crucial.
What’s in the Box?
- 1 x RS2421+/RS2421RP+ main unit
- 1 x Accessory Pack
- 1 x AC Power Cord
- 1 x Quick Installation Guide
Synology RS2421+ Specifications
Hardware
- CPU: AMD RyzenTM V1500B quad-core 2.2 GHz
- Hardware encryption engine: Yes (AES-NI)
- Memory: 4 GB DDR4 ECC UDIMM (expandable up to 32 GB)
Compatible drive types:
12 x 3.5" or 2.5" SATA HDD/SSD (drives not included)
Only Synology SAT5200 2.5" or Synology SNV3400/3500 M.2 SSDs (sold separately) can be used for SSD cache9
- Hot swappable drive: Yes
External ports:
- 2 x USB 3.2 Gen 1 port
- 1 x Expansion port (Infiniband)
- Form factor Rackmount 2U
Size (HxWxD) 88 x 482 x 552 mm (with server handles)
- Weight: 11.5 kg
- Rack installation support: 4-post 19" rack
- LAN ports: 4 x 1GbE RJ-45
- Wake on LAN/WAN: Yes
- PCIe 3.0 slot:
1 x 4-lane x8 slot
Supports network interface cards2 and M.2 NVMe SSD adapter cards for SSD cache
- Scheduled power on/off: Yes
- System fans: 3 x (60 x 60 x 38 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)
File Server and Synchronisation
- Drive: 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 & Virtualization
- 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 and 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 customizable mail labels, filters, and user interface
Multimedia
- Moments: 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 color correction and angle adjustments, and auto-selection of the best shots. Mobile applications are available on iOS and Android™ devices
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 Center
Environment and Packaging
- Environment safety: RoHS compliant
Surveillance
- Surveillance Station Maximum IP cameras: 40, for a total of 1,200 FPS at 720p (H.264)6Other packages: Video Station, Photo Station, Audio Station, iTunes® Server
General DSM
- Networking protocols SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN™, L2TP)
- File systems
- Internal: Btrfs, ext4
- External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT10
- Supported RAID types Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
- Storage management
Maximum single volume size: 108 TB
Maximum system snapshots: 65,53611
Maximum internal volumes: 64
- SSD cache
Read/write cache support
2.5" SATA SSD support
M.2 NVMe SSD support9
- File sharing capabilities
Maximum local user accounts: 2,048
Maximum local groups: 256
Maximum shared folders: 512
Maximum concurrent SMB/NFS/AFP/FTP connections: 1,00012
- Privileges: Windows® Access Control List (ACL), application privileges
- Directory services: Connects with Windows® AD/LDAP servers enabling domain users to log in via SMB/NFS/AFP/FTP/File Station using their existing credentials
- Virtualisation: VMware vSphere®, Microsoft Hyper-V®, Citrix®, OpenStack®
- Security Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (customizable 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, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český
Packages and Applications
- Drive: 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
Others
- 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
More Information
| Delivery Option | Same/Next Day Delivery |
|---|---|
| SKU | RS2421+ |
| Condition | New |
Reviews
Search FAQs
Questions & Answers
12 Bay RackStation Description
Specifically created for small businesses and remote office installations, the Synology RackStation RS2421+ is a 2U 12-bay rackmount NAS with affordable file management, sharing, and backup features. Data stored on the RS2421+ are securely protected by cutting-edge data protection mechanisms, as this device is run by Synology's DSM operating system, which is designed for data management and is based on the Btrfs file system.
Synology Active Backup for Business (ABB) consolidates backup tasks for physical and virtual environments with quick file, machine, and VM restoration. Active Backup Suite is a collection of license-free backup solutions designed to safeguard Windows PCs and servers, VMs, other file servers, and SaaS applications. A full backup of all Microsoft 365 data, including that from OneDrive for Business, SharePoint Online, emails, contacts, and calendars, is offered by Active Backup for Microsoft 365. Users can back up Google Workspace data from Gmail, Contacts, Calendar, and Drive using Active Backup for Google Workspace.
Remote and On-Premises Collaboration
For on-premises and remote workers to collaborate on projects, share files, manage emails, send instant messaging, and more, Synology's collaboration suite offers a private cloud solution. Businesses can secure complete data ownership and multi-layered protection by utilising private cloud infrastructure.
Reliable Solutions
With the help of Synology Office's Synology Documents, Spreadsheets, and Slides, multiple users may collaborate on, edit, and share data. Data access, synchronisation, on-demand file restoration, and backup are all possible with Synology Drive. With a one-on-one, group, and encrypted private channels across many platforms, Synology Chat helps teams communicate. A private, dependable, and secure email server is offered by Synology MailPlus. Synology Calendar offers seamless calendar sharing and scheduling to assist teams in keeping track of what is most crucial.
What’s in the Box?
- 1 x RS2421+/RS2421RP+ main unit
- 1 x Accessory Pack
- 1 x AC Power Cord
- 1 x Quick Installation Guide
Synology RS2421+ Specifications
Hardware
- CPU: AMD RyzenTM V1500B quad-core 2.2 GHz
- Hardware encryption engine: Yes (AES-NI)
- Memory: 4 GB DDR4 ECC UDIMM (expandable up to 32 GB)
Compatible drive types:
12 x 3.5" or 2.5" SATA HDD/SSD (drives not included)
Only Synology SAT5200 2.5" or Synology SNV3400/3500 M.2 SSDs (sold separately) can be used for SSD cache9
- Hot swappable drive: Yes
External ports:
- 2 x USB 3.2 Gen 1 port
- 1 x Expansion port (Infiniband)
- Form factor Rackmount 2U
Size (HxWxD) 88 x 482 x 552 mm (with server handles)
- Weight: 11.5 kg
- Rack installation support: 4-post 19" rack
- LAN ports: 4 x 1GbE RJ-45
- Wake on LAN/WAN: Yes
- PCIe 3.0 slot:
1 x 4-lane x8 slot
Supports network interface cards2 and M.2 NVMe SSD adapter cards for SSD cache
- Scheduled power on/off: Yes
- System fans: 3 x (60 x 60 x 38 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)
File Server and Synchronisation
- Drive: 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 & Virtualization
- 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 and 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 customizable mail labels, filters, and user interface
Multimedia
- Moments: 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 color correction and angle adjustments, and auto-selection of the best shots. Mobile applications are available on iOS and Android™ devices
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 Center
Environment and Packaging
- Environment safety: RoHS compliant
Surveillance
- Surveillance Station Maximum IP cameras: 40, for a total of 1,200 FPS at 720p (H.264)6Other packages: Video Station, Photo Station, Audio Station, iTunes® Server
General DSM
- Networking protocols SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN™, L2TP)
- File systems
- Internal: Btrfs, ext4
- External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT10
- Supported RAID types Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
- Storage management
Maximum single volume size: 108 TB
Maximum system snapshots: 65,53611
Maximum internal volumes: 64
- SSD cache
Read/write cache support
2.5" SATA SSD support
M.2 NVMe SSD support9
- File sharing capabilities
Maximum local user accounts: 2,048
Maximum local groups: 256
Maximum shared folders: 512
Maximum concurrent SMB/NFS/AFP/FTP connections: 1,00012
- Privileges: Windows® Access Control List (ACL), application privileges
- Directory services: Connects with Windows® AD/LDAP servers enabling domain users to log in via SMB/NFS/AFP/FTP/File Station using their existing credentials
- Virtualisation: VMware vSphere®, Microsoft Hyper-V®, Citrix®, OpenStack®
- Security Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (customizable 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, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český
Packages and Applications
- Drive: 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
Others
- 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
| Delivery Option | Same/Next Day Delivery |
|---|---|
| SKU | RS2421+ |
| Condition | New |
