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Synology RackStation RS3621xs+

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Synology RackStation RS3621xs+
RackStationrack10 Gbpsmail server
Main
Mountrack-mount
Drives
3.5" drive slots12
Max. storage capacity192 TB
HDD connection interfaceSATA 3
Hot swap
PCIe2 pcs / PCIe 3.0 x8 /
RAIDRAID 0
RAID 1
RAID 5
RAID 6
RAID 10
JBOD
RAID F1, Basic
Connection
LAN ports4
LAN speed1 Gbps, 10 Gbps / 2x1 Gbps, 2x10 Gbps /
USB-A 5Gbps2 pcs
Features
Software featuresWeb server
FTP server
multimedia (DLNA, iTunes, uPnP)
BitTorrent client
mail server
database server
video surveillance server
backup
DDNS
domain integration
virtualization
Hardware
Operating systemDSM
CPUIntel Xeon D-1541
CPU cores8 cores (16 threads)
CPU speed2.1 GHz
TurboBoost frequency2.7 GHz
RAM8 GB
Max. RAM64 GB
RAM slots4
General
Coolingactive
Noise level50.2 dB
Size482x724x88 mm
Weight14.5 kg
Official Websitesynology.com
Added to E-CatalogFebruary 2021
Support for virtual machines in Synology Virtual Machine Manager. Two Infiniband expansion slots.
E-Catalog UK editor, NAS Servers
Valerii Lenko, edited 09.02.2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Synology 2026 - new arrivals, bestsellers, and the most relevant models Synology.
How to Choose a NAS ServerLet's explore the basic capabilities of NAS storage for home and studio use.

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Synology RackStation RS3621XS+ NAS/storage server Rack (2U) Intel Xeon D-1541 8 GB DDR4 Black RS3621XS+

Accelerate your business operationsN/AThe 12-bay RS3621xs+ is capable of delivering over 238K 4K random read IOPS and 5819 MB... more/s sequential read throughput1 a true enterprise powerhouse. With full power supply redundancy an 8-core processor ECC memory advanced snapshot technology and file self-healing the RS3621xs+ provides a reliable foundation to any data-driven business.N/AN/AStorage you can trustN/AThe RS3621xs+ keeps your data protected while you concentrate on delivering the best results to your customers even when disaster strikes.N/AN/ARedundant powerN/ADual PSUs provide protection against a PSU failure or accidental cord removal while hot-swappable fans allow them to be replaced without powering down the system.N/AN/AMaximize service availabilityN/ASynology High Availability (SHA) pairs two identical units together creating an active-passive cluster with minute-level failover.N/AN/ANext-generation file systemN/ABtrfs prevents data corruption and reduces maintenance overheads with advanced storage technologies and optimized snapshots.N/AN/ATailored to your businessN/AThe RS3621xs+ includes two PCIe slots for performance networking and storage upgrades enabling it to adapt to any business environment2.N/AN/ADouble bandwidthN/AUpgrade network bandwidth in minutes by 2x or more with Synologys range of 10GbE NICs.N/AN/ASSD cache3N/ABoost read/write IOPS by up to 16 times by enabling SSD cache with our Synology M.2 NVMe adapter cards and SNV3500 SSDs or by installing one or more 2.5 SAT5200 SSDs.N/AN/AStorage expansionN/AQuickly and easily scale up to 36 drives with two RX1217(RP) expansion units.N/AN/AHyper BackupN/AA comprehensive backup and recovery solution for securing data stored on Synology servers. Backup data locally to another Synology device rsync server or cloud-based storage such as Google Drive Dropbox S3-compatible destinations and Synology C2. Deduplication4 integrity checks and incremental transfer technology reduce bandwidth and storage used.N/AN/ASnapshot ReplicationN/AEasily schedule flexible point-in-time backups of shared folders and iSCSI LUNs with an RPO as low as 5 minutes and recovery in seconds. Set up replication and failover to other Synology storage systems for fast RTOs and minimal service disruption.N/AN/AActive Backup SuiteN/AEnables administrators to easily backup the entire IT infrastructure to their NAS including Windows & Linux workstations and servers file servers VMware and Hyper-V virtual machines and Microsoft 365 and Google Workspace accounts. Backups benefit from deduplication multiversioning and optimizations to reduce bandwidth and storage used.N/AN/AStorage for virtualizationN/ASynology iSCSI storage supports mainstream virtualization solutions with an easy management interface to enhance usability. VMware vSphere 6.5 and VAAI integration helps offload storage operations. Windows Offloaded Data Transfer (ODX) speeds up data transfer. OpenStack Cinder support turns your Synology NAS into a
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Synology RackStation RS3621XS+ NAS/storage server Rack (2U) Intel® Xeo

Synology RackStation RS3621XS+ NAS/storage server Rack (2U) Intel® Xeon® D-1541 8 GB DDR4 Black Accelerate your business oper... moreationsThe 12-bay RS3621xs+ is capable of delivering over 238K 4K random read IOPS and 5.819 MB/s sequential read throughput1— a true enterprise powerhouse. With full power supply redundancy. an 8-core processor. ECC memory. advanced snapshot technology. and file self-healing. the RS3621xs+ provides a reliable foundation to any data-driven business.Storage you can trustThe RS3621xs+ keeps your data protected while you concentrate on delivering the best results to your customers — even when disaster strikes.Redundant powerDual PSUs provide protection against a PSU failure or accidental cord removal while hot-swappable fans allow them to be replaced without powering down the system.Maximize service availabilitySynology High Availability (SHA) pairs two identical units together creating an active-passive cluster with minute-level failover.Next-generation file systemBtrfs prevents data corruption and reduces maintenance overheads with advanced storage technologies and optimized snapshots.Tailored to your businessThe RS3621xs+ includes two PCIe slots for performance. networking. and storage upgrades enabling it to adapt to any business environment2.Double bandwidthUpgrade network bandwidth in minutes by 2x or more with Synology’s range of 10GbE NICs.SSD cache3Boost read/write IOPS by up to 16 times by enabling SSD cache with our Synology M.2 NVMe adapter cards and SNV3500 SSDs or by installing one or more 2.5” SAT5200 SSDs.Storage expansionQuickly and easily scale up to 36 drives with two RX1217(RP) expansion units.Hyper BackupA comprehensive backup and recovery solution for securing data stored on Synology servers. Backup data locally. to another Synology device. rsync server. or cloud-based storage such as Google Drive. Dropbox. S3-compatible destinations. and Synology C2. Deduplication4. integrity checks. and incremental transfer technology reduce bandwidth and storage used.Snapshot ReplicationEasily schedule flexible point-in-time backups of shared folders and iSCSI LUNs with an RPO as low as 5 minutes and recovery in seconds. Set up replication and failover to other Synology storage systems for fast RTOs and minimal service disruption.Active Backup SuiteEnables administrators to easily backup the entire IT infrastructure to their NAS. including Windows & Linux workstations and servers. file servers. VMware and Hyper-V virtual machines. and Microsoft 365 and Google Workspace accounts. Backups benefit from deduplication. multiversioning. and optimizations to reduce bandwidth and storage used.Storage for virtualizationSynology iSCSI storage supports mainstream virtualization solutions with an easy management interface to enhance usability. VMware vSphere 6.5 and VAAI integration helps offload storage operations. Windows Offloaded Data Transfer (ODX) speeds up data transfer. OpenStack Cinder support turns your Synology
Pcnova.co.uk
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£5,000.99
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Synology RackStation RS3621XS+ NAS/storage server Rack (2U) Intel® Xeo RS3621XS+

Accelerate your business operationsThe 12-bay RS3621xs+ is capable of delivering over 238K 4K random read IOPS and 5.819 MB/s... moresequential read throughput1— a true enterprise powerhouse. With full power supply redundancy. an 8-core processor. ECC memory. advanced snapshot technology. and file self-healing. the RS3621xs+ provides a reliable foundation to any data-driven business.Storage you can trustThe RS3621xs+ keeps your data protected while you concentrate on delivering the best results to your customers — even when disaster strikes.Redundant powerDual PSUs provide protection against a PSU failure or accidental cord removal while hot-swappable fans allow them to be replaced without powering down the system.Maximize service availabilitySynology High Availability (SHA) pairs two identical units together creating an active-passive cluster with minute-level failover.Next-generation file systemBtrfs prevents data corruption and reduces maintenance overheads with advanced storage technologies and optimized snapshots.Tailored to your businessThe RS3621xs+ includes two PCIe slots for performance. networking. and storage upgrades enabling it to adapt to any business environment2.Double bandwidthUpgrade network bandwidth in minutes by 2x or more with Synology’s range of 10GbE NICs.SSD cache3Boost read/write IOPS by up to 16 times by enabling SSD cache with our Synology M.2 NVMe adapter cards and SNV3500 SSDs or by installing one or more 2.5” SAT5200 SSDs.Storage expansionQuickly and easily scale up to 36 drives with two RX1217(RP) expansion units.Hyper BackupA comprehensive backup and recovery solution for securing data stored on Synology servers. Backup data locally. to another Synology device. rsync server. or cloud-based storage such as Google Drive. Dropbox. S3-compatible destinations. and Synology C2. Deduplication4. integrity checks. and incremental transfer technology reduce bandwidth and storage used.Snapshot ReplicationEasily schedule flexible point-in-time backups of shared folders and iSCSI LUNs with an RPO as low as 5 minutes and recovery in seconds. Set up replication and failover to other Synology storage systems for fast RTOs and minimal service disruption.Active Backup SuiteEnables administrators to easily backup the entire IT infrastructure to their NAS. including Windows & Linux workstations and servers. file servers. VMware and Hyper-V virtual machines. and Microsoft 365 and Google Workspace accounts. Backups benefit from deduplication. multiversioning. and optimizations to reduce bandwidth and storage used.Storage for virtualizationSynology iSCSI storage supports mainstream virtualization solutions with an easy management interface to enhance usability. VMware vSphere 6.5 and VAAI integration helps offload storage operations. Windows Offloaded Data Transfer (ODX) speeds up data transfer. OpenStack Cinder support turns your Synology NAS into a block-based storage component. Additionally. Synology Storage Console enables even
Gamingkit.co.uk
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Synology RackStation RS3621XS+ 12 Bay Network Attached Storage Enclosure - Diskless

pa_mpn: 1266, pa_sku: 2554, pa_ean-gtin: 2555, pa_brand: 2509 The Synology RS3621xs+ RackStation 12-Bay Rackmount Network Att... moreached NAS Storage Enclosure is engineered to deliver high throughput and robust data protection. Its 8-core processor and built-in dual 10GbE ports enable it to handle even the most demanding of workloads in modern business environments. DiskStation Manager (DSM) provides comprehensive software solutions covering file management, data protection, surveillance, collaboration, virtualisation and more.Key Features Capacity Un-populated twelve (12) bay rackmount network attached NAS storage enclosure. High Performance Up to 238,273 random read IOPS and 5,819 MB/s sequential read performance. Powerful Compute Host multiple compute-intensive services with its 8-core Intel processor. Upgradability Two (2) PCIe expansion slots allow for M.2 NVMe cache adapters and high-bandwidth network cards (sold separately). Redundant Power Ensure business continuity with two (2) redundant power supplies. On-demand Scalability Supports up to thirty-six (36) drive bays using two (2) RX1217(RP) expansion units (sold separately).Built to Handle Intensive WorkloadsSynology RackStation RS3621xs+ is built to deliver exceptional performance, flexibility, and scalability to meet the requirements of businesses. Up to 238,273 4K random read IOPS and 5,819 MB/s sequential read performance for demanding workloads. Featuring twelve (12) drive bays supporting both SATA HDD/SSD 2.5/3.5" drives (sold separately), expandable to thirty-six (36) bays using two (2) Synology RX1217(RP) expansion units (sold separately).Optimised for Data Protection and IntegrityPowered by Synology DSM, unified data management operating system, and built upon the Btrfs file system, data stored on the RS3621xs+ 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 spaceVirtualisation and Certified StorageDSM 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
Alphacores.co.uk
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£5,381.81
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Synology RS3621XS+

The 12-bay rs3621xs+ is capable of delivering over 238k 4k random read iops and 5,819 mb/s sequential read throughput1— a tru... moree enterprise powerhouse.with full power supply redundancy, an 8-core processor, ecc memory, advanced snapshot technology, and file self-healing, the rs3621xs+ provides a reliable foundation to any data-driven business.Storage you can trust:- The RS3621xs+ keeps your data protected while you concentrate on delivering the best results to your customers — even when disaster strikes.Redundant power:- Dual PSUs provide protection against a PSU failure or accidental cord removal while hot-swappable fans allow them to be replaced without powering down the system.Maximize service availability:- Synology High Availability (SHA) pairs two identical units together creating an active-passive cluster with minute-level failover.Learn more Next-generation file system:- Btrfs prevents data corruption and reduces maintenance overheads with advanced storage technologies and optimized snapshots.Tailored to your business.- The RS3621xs+ includes two PCIe slots for performance, networking, and storage upgrades enabling it to adapt to any business environment2.SSD cache3.- Boost read/write IOPS by up to 16 times by enabling SSD cache with our Synology M.2 NVMe adapter cards and SNV3500 SSDs or by installing one or more 2.5´´ SAT5200 SSDs.Keep disaster at bay:Hyper Backup:- A comprehensive backup and recovery solution for securing data stored on Synology servers.Backup data locally, to another Synology device, rsync server, or cloud-based storage such as Google Drive, Dropbox, S3-compatible destinations, and Synology C2.Deduplication4, integrity checks, and incremental transfer technology reduce bandwidth and storage used Snapshot Replication:- Easily schedule flexible point-in-time backups of shared folders and iSCSI LUNs with an RPO as low as 5 minutes and recovery in seconds.Set up replication and failover to other Synology storage systems for fast RTOs and minimal service disruption.Storage for virtualization:- Synology iSCSI storage supports mainstream virtualization solutions with an easy management interface to enhance usability.VMware vSphere 6.5 and VAAI integration helps offload storage operations.Windows Offloaded Data Transfer (ODX) speeds up data transfer.OpenStack Cinder support turns your Synology NAS into a block-based storage component.Additionally, Synology Storage Console enables even more simplified storage provisioning and management options in VMware and Windows environments.Backup your entire IT infrastructure:Active Backup Suite:- Enables administrators to easily backup the entire IT infrastructure to their NAS, including Windows & Linux workstations and servers, file servers, VMware and Hyper-V virtual machines, and Microsoft 365 and Google Workspace accounts.Backups benefit from deduplication, multiversioning, and optimizations to reduce bandwidth and storage used.Storage for virtualization:- Synology iSCSI storage
Tradeinn.com
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£5,425.99
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Synology RackStation RS3621XS+ NAS/storage server Rack (2U) RS3621XS+ RS3621XS+

Synology RackStation RS3621XS+ NAS/storage server Rack (2U) Ethernet LAN Black D-1541... moreAccelerating Business Workloads with Enterprise-Grade Data Protection The Synology RackStation RS3621xs+ is a powerful 12-bay 2U storage solution with built-in redundant power. Engineered to deliver high throughput and robust data protection, its 8-core processor and built-in dual 10GbE ports enable it to handle even the most demanding of workloads in modern business environments. DiskStation Manager (DSM) provides comprehensive software solutions covering file management, data protection, surveillance, collaboration, virtualization and more. Built to Handle Intensive Workloads Synology RackStation RS3621xs+ is built to deliver exceptional performance, flexibility, and scalability to meet the requirements of businesses. - Up to 238,273 4K random read IOPS and 5,819 MB/s sequential read performance for demanding workloads - Featuring 12 drive bays supporting both SATA HDD/SSD 2.5/3.5" drives, expandable to 36 bays using two Synology RX1217(RP) expansion units Optimized for Data Protection and Integrity Powered by Synology DSM, our unified data management operating system, and built upon the Btrfs file system, data stored on the RS3621xs+ 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 optimizing storage space Virtualization and Certified Storage DSM streamlines the provisioning and management of storage for ...
Senetic.co.uk
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£6,316.62
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