Synology DiskStation DS1821+ NAS Desktop Ryzen Embedded V1500B 4 GB DDR4 96 TB HDD DiskStation Manager Black

SKU
K/DS1821+_+8X_HAT5300-12T
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96TB, AMD Ryzen V1500B (4x 2.2GHz), 4GB DDR4, 8x 2.5"/3.5" SATA, 2x M.2, 4x RJ-45, 4x USB 3.2 Gen 1, 2x eSATA
  • AMD Ryzen™ Quad-core 2.2 GHz
  • Dual M.2 2280 slots for NVMe Cache
  • 113K 4K random read IOPS
  • Expand up to 18 drives with two DX517 expansion units
More Information
Type NAS
Processor Ryzen Embedded
Ethernet ports 4
Storage drives installed Yes
SKU K/DS1821+_+8X_HAT5300-12T
Manufacturer Synology
Availability In Stock
Product Family DiskStation
Designed for scalability and performance
The 8-bay Synology DS1821+ is aimed at IT enthusiast and SMB customers looking for a powerful and scalable storage solution, its business-grade backup solutions keep users safe and protected from potential data loss, while major improvements to compute capabilities and throughput means workloads are finished faster than ever before.

A powerhouse on all fronts
The DS1821+ can handle demanding application workloads and a greater number of concurrent users. Experience faster file indexing in Synology Drive, photo organization in Moments, and more responsive web services.

Turbocharge and supersize it
Upgrade your DS1821+ to match your data requirements, whether it is for faster networking or for higher storage capacity.

2 x M.2 NVMe
Enable ultra-fast NVMe cache to accelerate HDD arrays by 20X or more
10GbE support
Add in faster SFP+ or RJ-45 networking to turbocharge existing workflows
Storage Expansion
Supports two DX517 expansion units for a total of 18 bays

Ultimate file management and sharing
File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operations without requiring any complex setup on Mac or PC. Advanced search and filtering tools allow for easy organization and file sharing. For complete compatibility, DS1821+ supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV.

Fully certified storage virtualization solutions
Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.

Ultimate Backup Solution
DS1821+ integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.

Active Backup for Business
Centralize backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed.
Hyper Backup
Comprehensively back up your data to a local shared folder, an external device, another Synology NAS, an rsync server, or a public cloud to ensure data safety.
Drive Package
Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.
Active Backup for Microsoft 365 / Google Workspace
Protect corporate data stored on the cloud. On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.

Powered by Synology DiskStation Manager

Central Management System
Conveniently manage your fleet of Synology NAS from a centralized console.
Synology MailPlus
Secure, reliable, and private mail server solution with an intuitive and modern mail client.
Synology High Availability
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Security
Secure data with comprehensive built-in security tools to protect your devices against evolving threats.
Synology Drive
Instantly access your NAS files across multiple devices whenever you want, wherever you are.
Surveillance Station
Complete surveillance solution for recording, monitoring, and management.

Works best with Synology drives
Engineered to handle intensive 24/7 workloads, Synology drives consistently deliver top-grade performance.
Storage
Total installed storage capacity96 TB
Online RAID migrationYes
Online RAID expansionYes
Storage drives installedYes
Installed storage drive typeHDD
Number of storage drives installed8
Supported storage drive typesHDD & SSD
Number of storage drives supported8
Storage drive interfaceSerial ATA III
Storage drive capacity12 TB
Hot-swap drive baysYes
RAID supportYes
Supported file systemsBTRFS, Fat, HFS+, NTFS, exFAT, ext3, ext4
RAID levels0, 1, 5, 6, 10, JBOD
Supported storage drive interfacesM.2, Serial ATA II, Serial ATA III
Storage drive sizes supported2.5,3.5,M.2
Number of M.2 (M & B) slots2
Processor
Processor generationAMD Ryzen Embedded V1000 Series
Processor manufacturerAMD
Processor threads8
Processor frequency2.2 GHz
Processor familyRyzen Embedded
Processor modelV1500B
Processor cores4
L3 cache4 MB
L2 cache2 MB
Number of processors supported1
Memory
Internal memory typeDDR4
Internal memory4 GB
Maximum RAM supported32 GB
Memory slots2
Memory form factorSO-DIMM
ECCYes
Network
Link aggregationYes
Ethernet LANYes
Ethernet LAN data rates10,100,1000 Mbit/s
Wake-on-LAN readyYes
Supported network protocolsSMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN
iSCSI supportYes
Ports & interfaces
USB portYes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity4
PCI Express x8 (Gen 3.x) slots1
Ethernet LAN (RJ-45) ports4
eSATA ports quantity2
Hard drive
RAID supportYes
Supported file systemsBTRFS, Fat, HFS+, NTFS, exFAT, ext3, ext4
RAID levels0, 1, 5, 6, 10, JBOD
Design
Cooling typeActive
Fan diameter12 cm
Drive bay lockingYes
Cable lock slot typeKensington
Product colourBlack
Number of fans2 fan(s)
LED indicatorsAlarm, HDD, LAN, Power, Status
Chassis typeDesktop
Cable lock slotYes
Technical details
TypeNAS
Device classHome & Home Office
Backup functionYes
Backup featuresCloud, iSCSI LUN
Product colourBlack
Number of users2048 user(s)
Noise level22.2 dB
Multilingual supportYes
LED indicatorsAlarm, HDD, LAN, Power, Status
Chassis typeDesktop
Number of fans2 fan(s)
Sustainability complianceYes
Compliance certificatesBSMI, CCC, CE, EAC, Federal Communications Commission (FCC), KC, RCM, RoHS, UKCA, VCCI
Performance
Built-in FTP serverYes
System logYes
Share folder access right managementYes
Share folderSMB/AFP/NFS/FTP/WebDAV
Hot spareYes
Browser supportedChrome, Firefox, Edge, Internet Explorer, Safari
TypeNAS
Device classHome & Home Office
Backup functionYes
Backup featuresCloud, iSCSI LUN
On/off switchYes
Windows operating systems supportedYes
Mac operating systems supportedYes
Security algorithmsHTTPS, SSH, SSL/TLS
Reset buttonYes
Operating system installedDiskStation Manager
Number of users2048 user(s)
Noise level22.2 dB
Multilingual supportYes
Access Control List (ACL)Yes
SnapshotYes
Cooling
Cooling typeActive
Fan diameter12 cm
Number of fans2 fan(s)
Security
Drive bay lockingYes
Cable lock slot typeKensington
Security algorithmsHTTPS, SSH, SSL/TLS
Cable lock slotYes
Access Control List (ACL)Yes
Software
Windows operating systems supportedYes
Mac operating systems supportedYes
Operating system installedDiskStation Manager
Management features
On/off switchYes
Reset buttonYes
Power
Power consumption (HDD standby)26.18 W
Power supply locationBuilt-in
Power supply unit (PSU) capacity250 W
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Redundant power supply (RPS) supportNo
Power consumption (typical)59.8 W
Number of power supply units1
Weight & dimensions
Width343 mm
Depth243 mm
Height166 mm
Packaging content
Cables includedAC, LAN (RJ-45)
Power cables quantity1
Sustainability
Sustainability complianceYes
System requirements
Windows operating systems supportedYes
Mac operating systems supportedYes
Operational conditions
Storage temperature (T-T)-20 - 60 °C
Storage relative humidity (H-H)5 - 95%
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)5 - 95%
Operating altitude0 - 5000 m
Packaging data
Cables includedAC, LAN (RJ-45)
Other features
Compliance certificatesBSMI, CCC, CE, EAC, Federal Communications Commission (FCC), KC, RCM, RoHS, UKCA, VCCI

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SKU
K/DS1821+_+8X_HAT5300-12T
SA3400
SA3600
RS4021XS+
RS1221+/96TB-HAT5300
RS1221+/128TB-HAT5300
Description
Designed for scalability and performance
The 8-bay Synology DS1821+ is aimed at IT enthusiast and SMB customers looking for a powerful and scalable storage solution, its business-grade backup solutions keep users safe and protected from potential data loss, while major improvements to compute capabilities and throughput means workloads are finished faster than ever before.

A powerhouse on all fronts
The DS1821+ can handle demanding application workloads and a greater number of concurrent users. Experience faster file indexing in Synology Drive, photo organization in Moments, and more responsive web services.

Turbocharge and supersize it
Upgrade your DS1821+ to match your data requirements, whether it is for faster networking or for higher storage capacity.

2 x M.2 NVMe
Enable ultra-fast NVMe cache to accelerate HDD arrays by 20X or more
10GbE support
Add in faster SFP+ or RJ-45 networking to turbocharge existing workflows
Storage Expansion
Supports two DX517 expansion units for a total of 18 bays

Ultimate file management and sharing
File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operations without requiring any complex setup on Mac or PC. Advanced search and filtering tools allow for easy organization and file sharing. For complete compatibility, DS1821+ supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV.

Fully certified storage virtualization solutions
Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.

Ultimate Backup Solution
DS1821+ integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.

Active Backup for Business
Centralize backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed.
Hyper Backup
Comprehensively back up your data to a local shared folder, an external device, another Synology NAS, an rsync server, or a public cloud to ensure data safety.
Drive Package
Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery.
Active Backup for Microsoft 365 / Google Workspace
Protect corporate data stored on the cloud. On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.

Powered by Synology DiskStation Manager

Central Management System
Conveniently manage your fleet of Synology NAS from a centralized console.
Synology MailPlus
Secure, reliable, and private mail server solution with an intuitive and modern mail client.
Synology High Availability
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Security
Secure data with comprehensive built-in security tools to protect your devices against evolving threats.
Synology Drive
Instantly access your NAS files across multiple devices whenever you want, wherever you are.
Surveillance Station
Complete surveillance solution for recording, monitoring, and management.

Works best with Synology drives
Engineered to handle intensive 24/7 workloads, Synology drives consistently deliver top-grade performance.
Highly scalable storage with uncompromising performance
Equipped with an 8-core CPU and 16GB ECC RDIMM memory, SA3400 delivers sequential throughput at over 5,520 MB/s and 304,277 random IOPS. Built-in 10GbE Ethernet, PCIe expansions, and the support for both SAS and SATA drives provide resilient configurability with fast data transmission, fulfilling modern enterprises' needs for excellent performance and massive storage scalability simultaneously.

Small-to-hyperscale flexibility
Scalable up to 180/96 drives delivering more than 1.5 petabytes raw capacity, SA3400 can easily fulfill extensive storage needs, including video post-production and massive surveillance deployment.

Supercharge network performance effortlessly
Built-in dual 10GbE Ethernet ports and dual PCIe 3.0 slots provide high-speed network transmission with additional network interface cards' expansion.

Btrfs: Next generation storage efficiency
Btrfs file system introduces the most advanced storage technologies to meet the management needs of modern large scale businesses:

- Flexible Shared Folder/User Quota System provides comprehensive quota control on all user accounts and shared folders
- Snapshot Replication provides schedulable and storage capacity-saving data protection with 1,024 shared folder backups and 65,000 system-wide snapshots
- File or folder level data restoration makes data recovery fast and flexible
- Automatic file self-healing detects and recovers corrupted files without user intervention

Ultimate Backup Solution
SA3400 integrates various backup applications to safeguard your important data on any device with an intuitive user interface and durable storage technologies.

Fully certified storage virtualization solutions
Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component.
Scalable and Fast Storage Server for Your Growing Business

Synology SA3600 is a 12-bay rackmount NAS designed for large-scale data storage. Its comprehensive data protection solutions, including multi-version backup for server and virtual machines, hybrid cloud integration, and high-availability technology support, make it a reliable server for massive storage deployment. SA3600 is backed by Synology’s 5-year limited warranty.

Expandable Storage with Outstanding Performance

SA3600 is equipped with an Intel® Xeon® D-1567 12-core CPU and 16 GB ECC RDIMM (upgradable to 128 GB) to ensure system performance and data integrity. Offering dual built-in 10GBASE-T Ethernet and dual PCIe 3.0 slots for expansion of 10/25/40GbE network interface cards, SA3600 delivers over 5,561 MB/s sequential throughput via aggregated 10Gb Ethernet.

With the ability to scale up its storage to 180 drives and deliver raw capacity at petabyte scale, SA3600 can easily fulfill the need for video post-production and massive surveillance deployment. Supporting SAS and SATA drives without vendor lock-in, SA3600 provides an elastic and expandable storage solution with optimized total cost of ownership (TCO).

Btrfs: Next Generation Storage Efficiency

SA3600 introduces the Btrfs file system, bringing the most advanced storage technologies to meet the management needs of modern businesses:
- Advanced snapshot technology provides schedulable, near-instantaneous data protection of shared folders and iSCSI LUNs.
- File and folder level data restoration brings huge convenience and saves time for users who wish to restore only a specific file or folder.
- Flexible Shared Folder and User Quota System provide comprehensive quota control on all user accounts and shared folders.
- File self-healing allows Btrfs file system to auto-detect corrupted files with mirrored metadata, and to recover broken data using the supported RAID volumes including RAID1, 5, 6, 10, and RAID F1.

Ultimate Backup Solution

SA3600 integrates various backup applications to safeguard your important data on any device with an intuitive user interface and durable storage technologies.

Workstation/Server/Virtual Machine/SaaS backup: Active Backup for Business centralizes backup tasks for virtual machines, Windows PC, servers, and rsync/SMB file servers and offers various recovery options to ensure lowest RTO. Active Backup for Office 365/G Suite is an on-premises backup solution for public clouds with a centralized dashboard, optimizing storage efficiency through the single instancing and block-level deduplication technology.

NAS backup: Hyper Backup comprehensively backs up your data to a local shared folder, an external device, another Synology NAS, an rsync server, or Synology public cloud service, Synology C2 Backup, to ensure data safety and availability can be achieved when a disaster happens

Computer backup: Synology Drive Client backs up your Windows, Mac, and Linux desktop devices to safeguard important computer files. SA3600 is also compatible with Time Machine, allowing you to effortlessly back up your Mac to Synology NAS.

Effortless Virtualization Deployment

Synology’s Virtual Machine Manager adds boundless capabilities to your NAS. You can set up and run various virtual machines including Windows, Linux, and Virtual DSM on your NAS to test new software versions in a sandbox environment, isolate your customers' machines, and increase the flexibility of your SA3600 with reduced hardware deployment and maintenance costs. Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with a simple management interface. VMware vSphere™ 6.5 and VAAI integration helps offload storage operations and optimizes computational efficiency. While Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rates, the support for OpenStack Cinder transforms your SA3600 into a block-based storage component.
Securing your business assets The 16-bay RS4021xs+ provides solid data security and lightening-fast performance with over 234K 4K random read IOPS and 6,258 MB/s sequential read throughput1. Together with its 8-core processor, ECC memory, advanced snapshot technology, and built-in 10GbE connectivity, the RS4021xs+ can support large multi-user environments while handling data-intensive workloads. Engineered for service continuity The RS4021xs+ ensures mission-critical data is always available, enabling businesses to deliver the best results, even in the face of disaster. Redundant power Dual PSUs provide protection against a PSU failure or accidental cord removal while hot-swappable fans can 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. Next-generation file system Btrfs prevents data corruption and reduces maintenance overheads with advanced storage technologies and optimized snapshots Customize to your business The RS4021xs+ includes two PCIe slots for performance, networking, and storage upgrades enabling it to adapt to any business environment2. Double bandwidth Upgrade network bandwidth in minutes by 2x or more with Synology’s range of 10GbE NICs. 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. Storage expansion Quickly and easily scale up to 40 drives with two RX1217(RP) expansion units. 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 All-in-one surveillance solution Synology Surveillance Station transforms the RS4021xs+ into a feature-packed Network Video Recorder solution. Support for up to 90 IP cameras5 and video analytics such as motion detection, no idle zone, foreign object detection, and anomaly detection cater to the most common surveillance scenarios. Secure and private AES-256 encryption keeps locally-stored footage secure. Access from anywhere, anytime Access recordings and live streams whenever you want using a web browser, desktop client, or the DS cam mobile app. Real-time alerts Email, SMS, or push notifications alert you when incidents occur or predefined conditions are met.
Compact and reliable
The RS1221+/RS1221RP+, at only 30 to 38 centimeters deep, is built for space-sensitive deployments. Boasting over 100K 4K random read IOPS and 2,315 MB/s sequential read, the RS1221+/RS1221RP+ is equipped to handle heavy workloads in data-intensive environments. The RS1221RP+ additionally features an extra level of protection with redundant power supplies.

A compact design for space efficiency
The RS1221+ and its RX418 expansion units are designed to help you save space in compact deployments. At only 30 centimeters, half the length of a typical 2U unit, it fits perfectly snug onto 2-post or shallow rackmount enclosures. The RS1221RP+ with dual power supplies comes in at 38 cm, also fitting most shallow depth enclosures.
- Fits into shallow rackmount enclosures
- Easy-to-install on 2-post racks

Built for reliability
Redundant power
Reduce the chance that power disruptions on a single distribution channel or PDU causes data and service availability degradation.

Maximize service availability
When paired with another identical unit, Synology High Availability enables automatic minute-level failover between two clustered servers in the event of a server failure to minimize service downtime.

Data integrity and protection
ECC memory and the Btrfs file system bring higher reliability and snapshot capabilities to help prevent data corruption and simplify data protection.

High performance storage for anything
Up to 2,315/1,147 MB/s sequential read and write throughput and over 100K/54K random read/write IOPS ensures ample performance for demanding workloads.

With room to grow with you
Easily upgrade the RS1221+/RS1221RP+ to match your usage environment, whether it’s for performance, faster networking, or higher storage capacity.
SSD cache
Boost read/write IOPS over HDD-only arrays by 16X or more with NVMe or SATA SSD Cache
10GbE ready
Improve I/O with faster SFP+ or RJ-45 networking
Storage expansion
Expand to 12 drive bays with a RX418 expansion unit

Data protection solutions, built-in

Hyper Backup
A comprehensive backup and recovery solution for added data protection. Create backup destinations locally, on another Synology device, rsync servers, or cloud-based destinations, such as Google Drive, Dropbox, S3-compatible destinations, and Synology C2 Storage, a dedicated backup destination for Synology devices. Deduplication, integrity checks, and incremental transfer technology reduce bandwidth and storage use.

Snapshot Replication
Easily schedule flexible point-in-time backups of shared folders and 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.

Protect your entire office with Active Backup
The Active Backup suite enables administrators to easily secure their entire IT infrastructure by backing up mission-critical data to their NAS, including Windows & Linux workstations and servers, file servers, VMware and Hyper-V virtual machines, and Microsoft 365 and Google Workspace accounts. Benefit from deduplication, multiversioning to quickly jump back in time, and additional data efficiency optimizations for reduced bandwidth and storage use.

Fully certified storage virtualization solutions
Synology iSCSI storage fully supports mainstream virtualization solutions to enhance work efficiency with an easy management interface. VMware vSphere 6 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.

Works best with Synology drives
Engineered to handle intensive 24/7 workloads, Synology drives consistently deliver top-grade performance.

Powered by Synology DiskStation Manager

Synology High Availability
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Virtual Machine Manager
Run various operating systems in isolated sandboxes. Seamlessly clone, store, and migrate virtual machines.
Synology Drive
Instantly access your NAS files across multiple devices whenever you want, wherever you are.
Central Management System
Conveniently manage your fleet of Synology NAS from a centralized console.
Surveillance Station
Complete surveillance solution for recording, monitoring, and management.
Collaboration Suite
Satisfy all team collaboration needs behind the safety of your own private cloud with Synology Office, Calendar, and Chat.
Compact and reliable
The RS1221+/RS1221RP+, at only 30 to 38 centimeters deep, is built for space-sensitive deployments. Boasting over 100K 4K random read IOPS and 2,315 MB/s sequential read, the RS1221+/RS1221RP+ is equipped to handle heavy workloads in data-intensive environments. The RS1221RP+ additionally features an extra level of protection with redundant power supplies.

A compact design for space efficiency
The RS1221+ and its RX418 expansion units are designed to help you save space in compact deployments. At only 30 centimeters, half the length of a typical 2U unit, it fits perfectly snug onto 2-post or shallow rackmount enclosures. The RS1221RP+ with dual power supplies comes in at 38 cm, also fitting most shallow depth enclosures.
- Fits into shallow rackmount enclosures
- Easy-to-install on 2-post racks

Built for reliability
Redundant power
Reduce the chance that power disruptions on a single distribution channel or PDU causes data and service availability degradation.

Maximize service availability
When paired with another identical unit, Synology High Availability enables automatic minute-level failover between two clustered servers in the event of a server failure to minimize service downtime.

Data integrity and protection
ECC memory and the Btrfs file system bring higher reliability and snapshot capabilities to help prevent data corruption and simplify data protection.

High performance storage for anything
Up to 2,315/1,147 MB/s sequential read and write throughput and over 100K/54K random read/write IOPS ensures ample performance for demanding workloads.

With room to grow with you
Easily upgrade the RS1221+/RS1221RP+ to match your usage environment, whether it’s for performance, faster networking, or higher storage capacity.
SSD cache
Boost read/write IOPS over HDD-only arrays by 16X or more with NVMe or SATA SSD Cache
10GbE ready
Improve I/O with faster SFP+ or RJ-45 networking
Storage expansion
Expand to 12 drive bays with a RX418 expansion unit

Data protection solutions, built-in

Hyper Backup
A comprehensive backup and recovery solution for added data protection. Create backup destinations locally, on another Synology device, rsync servers, or cloud-based destinations, such as Google Drive, Dropbox, S3-compatible destinations, and Synology C2 Storage, a dedicated backup destination for Synology devices. Deduplication, integrity checks, and incremental transfer technology reduce bandwidth and storage use.

Snapshot Replication
Easily schedule flexible point-in-time backups of shared folders and 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.

Protect your entire office with Active Backup
The Active Backup suite enables administrators to easily secure their entire IT infrastructure by backing up mission-critical data to their NAS, including Windows & Linux workstations and servers, file servers, VMware and Hyper-V virtual machines, and Microsoft 365 and Google Workspace accounts. Benefit from deduplication, multiversioning to quickly jump back in time, and additional data efficiency optimizations for reduced bandwidth and storage use.

Fully certified storage virtualization solutions
Synology iSCSI storage fully supports mainstream virtualization solutions to enhance work efficiency with an easy management interface. VMware vSphere 6 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.

Works best with Synology drives
Engineered to handle intensive 24/7 workloads, Synology drives consistently deliver top-grade performance.

Powered by Synology DiskStation Manager

Synology High Availability
Seamless transition between clustered servers in the event of a server failure to minimize the impact on applications.
Virtual Machine Manager
Run various operating systems in isolated sandboxes. Seamlessly clone, store, and migrate virtual machines.
Synology Drive
Instantly access your NAS files across multiple devices whenever you want, wherever you are.
Central Management System
Conveniently manage your fleet of Synology NAS from a centralized console.
Surveillance Station
Complete surveillance solution for recording, monitoring, and management.
Collaboration Suite
Satisfy all team collaboration needs behind the safety of your own private cloud with Synology Office, Calendar, and Chat.
Short Description
96TB, AMD Ryzen V1500B (4x 2.2GHz), 4GB DDR4, 8x 2.5"/3.5" SATA, 2x M.2, 4x RJ-45, 4x USB 3.2 Gen 1, 2x eSATA
SA3400, Intel Xeon D-1541, 16 GB DDR4, 12x 2.5/3.5" SAS/SATA, 4x 1G RJ-45, 2x 10G RJ-45, 2x USB 3.0, 88x482x724 mm
RackStation SA3600, 12 x 3.5"/2.5" SAS/SATA HDD/SSD, Intel Xeon D-1567 12-core 2.1 GHz, 16 GB DDR4 ECC RDIMM, 10/25/40GbE, PCIe 3.0, USB, 88 x 430.5 x 692 mm
Intel Xeon D-1541, 8-core 2.1 (base) / 2.7 (turbo) GHz, 16 GB DDR4 ECC UDIMM, 16 Drive Bays, 3U
2U, AMD Ryzen V1500B (4x 2.2GHz), 4GB DDR4, 8x 2.5"/3.5" SATA, 4x RJ-45, 2x USB 3.2 Gen 1, 1x eSATA, 250W
2U, AMD Ryzen V1500B (4x 2.2GHz), 4GB DDR4, 8x 2.5"/3.5" SATA, 4x RJ-45, 2x USB 3.2 Gen 1, 1x eSATA, 250W
Manufacturer
Synology
Synology
Synology
Synology
Synology
Synology