Synology Internal Storage Drives

The Synology Plus Series 3.5 Hard Drives come in a variety of different capacities for your NAS solutions and expansion needs

Features

Durability

Designed for 24/7 operation

Updates

Seamless firmware updates through DSM

One-stop support

Fast troubleshooting from Synology

3-year warranty

3-year limited warranty that includes tech support & hardware replacement services.

Key Specifications

Hard Drive

Type: HDD
Component for: NAS
Capacity: Available in 4, 6, 8 and 12 TB
Size: 3.5"
Speed: 5400 RPM for 4 and 6 TB, 7200 RPM for 8 and 12 TB

*For Technical Specifications see the documentation tab above

Synology SNV3400/3500 Series NVMe SSDs are designed to intelligently work with Synology DiskStation Manager (DSM) to boost I/O performance. These high-performance NVMe drives accelerate the slower but higher-capacity storage space provided by traditional hard drives, enabling cost-effective, in-place upgrades for existing systems.

Performance

Up to 70,000 4K random write IOPS

Endurance

Up to 1,022 TBW

Analytics

Actionable insight for optimal performance and longevity

Updates

One-click drive firmware updates through DSM

Key Specifications

Solid State Drive

Type: SSD NVME
Component for: NAS/SAN
Capacity: Available in 400 and 800 GB
Size: M.2 2280

*For Technical Specifications see the documentation tab above

The Synology SNV5420-400G is a high-performance M.2 NVMe SSD designed to deliver consistent speed and reliability for demanding storage environments. With 400 GB of capacity, this drive handles intensive caching and heavy workloads while maintaining low latency and high throughput. Its durable design ensures long-lasting performance even under continuous operation.

Key Features Capacity: 400 GB
Form Factor: M.2 2280
Interface: NVMe PCIe 3.0 x4
Sequential Read: Up to 3,000 MB/s
Sequential Write: Up to 650 MB/s
Random Read IOPS (4KB, QD256): Up to 225,000
Random Write IOPS (4KB, QD256): Up to 45,000
Endurance: 700 TBW
Enterprise-class endurance and performance Synology Enterprise Series M.2 NVMe SSDs are engineered to handle demanding caching workloads in 24/7, high-concurrency environments. With strong sustained I/O performance, they excel in content creation, photo libraries, high-performance file servers, databases, virtual machines, and containerized deployments.

SSD caching improves efficiency by storing frequently accessed data on solid-state drives, making it readily available and reducing repetitive requests to slower primary storage.

Effortless firmware updates SNV5400 Series SSDs are tightly integrated with Synology DSM. Firmware updates are delivered automatically with the latest version of DSM—no manual installation or reboots required.

Data integrity safeguards The SNV3500 and SNV5400 Series offer full end-to-end data protection, including power loss protection to ensure data integrity during unexpected shutdowns. These series have capacitors in their power loss protection circuits to safely write cached data to NAND flash memory during power failures, thus preventing data loss.

Supercharge your NAS/SAN Enterprise Series M.2 NVMe SSDs are designed to intelligently work with Synology DiskStation Manager (DSM) to boost I/O performance. These high-performance NVMe drives accelerate the slower but higher-capacity storage space provided by traditional hard drives, enabling cost-effective, in-place upgrades for existing systems.

Performance in Caching Tasks The SNV5420-400G delivers fast read and write speeds that reduce bottlenecks in storage-intensive environments. It performs well for file servers, virtual machines, and database access, ensuring smoother operation and faster response times.

Durability and Reliability Built for continuous operation, this SSD supports high write cycles with power loss protection and long-term durability. Its design maintains data integrity during unexpected outages and helps extend the lifespan of your storage system.

Seamless Integration Designed to work with Synology NAS devices and DiskStation Manager, the SNV5420-400G integrates effortlessly into your existing storage setup. Firmware updates can be applied automatically to maintain consistent performance without manual intervention.

Keep your data protected SNV5400 SSDs provide end-to-end data protection to maintain integrity throughout the data path. Power-loss protection capacitors ensure cached data is safely written to NAND in the event of outages, reducing the risk of data loss.

Real-time analytics and alerts Full DSM integration enables monitoring of SSD health, usage, and workload patterns. System admins receive timely alerts on remaining lifespan, allowing for proactive replacements and reduced downtime.

The Synology SAT5221-960G delivers reliable, high-speed storage in a 2.5-inch SATA III form factor. With 960 GB of capacity, it is designed to handle continuous workloads while providing consistent performance for demanding data tasks. Its integration with Synology systems ensures smooth operation and easy management through DSM tools.

Key Features 960 GB 2.5-inch SATA III SSD
Sequential read/write up to 500 MB/s
Random 4K performance: 90,000 IOPS read / 30,000 IOPS write
Power Loss Protection for data integrity
Endurance up to 1,700 TBW
MTBF: 1,500,000 hours
Full integration with Synology DSM firmware updates and analytics
Synology SAT5200 Series SATA SSDs offer stable I/O performance while reducing the latency of critical services and applications. They are built to handle mixed and intensive 24/7 workloads without compromising on endurance, providing a streamlined storage experience on Synology systems with minimal service disruptions.

Stable high performance for demanding environments Engineered for demanding environments such as for online transaction processing (OLTP) databases and virtualization deployments, Synology SAT5200 Series drives deliver consistently high performance.

End-to-end data protection Data integrity and consistency are safeguarded over the entire data transfer path.

Power loss protection circuit design Dedicated capacitors provide sufficient power to flush data-in-flight into NAND flash during a power loss event, further preventing data corruption.

Better analytics Full integration with Synology DiskStation Manager (DSM) enables lifetime analytics for each SAT5200 Series drive based on actual workloads.

Timely notifications Plan further ahead for uninterrupted system performance and longevity with timely notifications.

Optimal use Easy monitoring allows you to make optimal use of each SSD.

One-click firmware upgrades Automatic firmware update notifications and one-click installation through DSM minimize maintenance workload and reduce the chance of oversights.

Purpose-built for Synology systems Synology SAT5200 Series SSDs are thoroughly validated for our systems following each engineering change, while firmware and component changes are strictly managed. Intensive I/O stress, power cycling, and temperature trials ensure that all products meet our strictest standards for quality and reliability.

The Synology SNV5420-800G M.2 2280 SSD delivers high-speed storage performance for demanding NAS setups and data-intensive applications. With an 800 GB capacity and NVMe interface, it provides reliable data access and consistent performance for critical workloads.

Key Features 800 GB storage capacity with PCIe 3.0 x4 interface
Up to 3,000 MB/s read and 1,000 MB/s write speeds
1,400 TBW endurance rating
Full integration with DSM for monitoring and updates
Power loss protection safeguards data during interruptions
Compatible with Synology NAS slots and expansion cards

Enterprise-class endurance and performance Synology Enterprise Series M.2 NVMe SSDs are engineered to handle demanding caching workloads in 24/7, high-concurrency environments. With strong sustained I/O performance, they excel in content creation, photo libraries, high-performance file servers, databases, virtual machines, and containerized deployments.

SSD caching improves efficiency by storing frequently accessed data on solid-state drives, making it readily available and reducing repetitive requests to slower primary storage.


Effortless firmware updates SNV5400 Series SSDs are tightly integrated with Synology DSM. Firmware updates are delivered automatically with the latest version of DSM—no manual installation or reboots required.

Data integrity safeguards The SNV3500 and SNV5400 Series offer full end-to-end data protection, including power loss protection to ensure data integrity during unexpected shutdowns. These series have capacitors in their power loss protection circuits to safely write cached data to NAND flash memory during power failures, thus preventing data loss.

Supercharge your NAS/SAN Enterprise Series M.2 NVMe SSDs are designed to intelligently work with Synology DiskStation Manager (DSM) to boost I/O performance. These high-performance NVMe drives accelerate the slower but higher-capacity storage space provided by traditional hard drives, enabling cost-effective, in-place upgrades for existing systems.

Performance and Speed The SSD delivers fast sequential and random read/write speeds, making it ideal for workloads that demand quick access to large amounts of data. Its performance helps reduce latency and keeps operations smooth under heavy loads.

Durability and Reliability With a high endurance rating and extended MTBF, this drive is built to handle intensive use over time. Power loss protection ensures your data stays safe even during unexpected power interruptions.

Applications Perfect for NAS devices, database storage, virtualization, and media libraries, this SSD manages demanding tasks while maintaining consistent performance and reliability.

Keep your data protected SNV5400 SSDs provide end-to-end data protection to maintain integrity throughout the data path. Power-loss protection capacitors ensure cached data is safely written to NAND in the event of outages, reducing the risk of data loss.

Real-time analytics and alerts Full DSM integration enables monitoring of SSD health, usage, and workload patterns. System admins receive timely alerts on remaining lifespan, allowing for proactive replacements and reduced downtime.

The Synology SAT5221-1920G is a 1.92 TB 2.5-inch SATA III SSD designed for reliable performance in demanding storage environments. Built with endurance in mind, it offers consistent throughput and strong data protection features, making it well-suited for continuous operation in professional setups.

Key Features 1.92 TB capacity with 2.5-inch SATA III interface
Sequential speeds up to 500 MB/s read/write
4K random performance up to 90,000 IOPS read and 30,000 IOPS write
Over 3,500 TBW endurance rating
Power Loss Protection and end-to-end data protection
Synology SAT5200 Series SATA SSDs offer stable I/O performance while reducing the latency of critical services and applications. They are built to handle mixed and intensive 24/7 workloads without compromising on endurance, providing a streamlined storage experience on Synology systems with minimal service disruptions.

Stable High Performance for Demanding Environments Engineered for demanding environments such as online transaction processing (OLTP) databases and virtualization deployments, Synology SAT5200 Series drives deliver consistently high performance.

End-to-End Data Protection Data integrity and consistency are safeguarded throughout the entire data transfer path.

Power Loss Protection Dedicated capacitors supply enough power to flush in-flight data into NAND flash during outages, preventing corruption and data loss.

Advanced Analytics Full integration with Synology DiskStation Manager (DSM) provides lifetime analytics for each SAT5200 Series drive, based on actual workloads.

Timely Notifications Receive alerts that help plan ahead for uninterrupted performance and system longevity.

Optimal Use Simple monitoring tools enable users to make the most effective use of each SSD.

Streamlined Maintenance Automatic firmware update notifications and one-click installations through DSM reduce maintenance effort and minimize oversights.

Validated for Synology Systems Each SAT5200 Series SSD undergoes rigorous validation, including I/O stress testing, power cycling, and temperature trials. Firmware and component changes are strictly managed to ensure consistent quality and reliability across Synology systems.

The Synology HAS5310-20T is a high-capacity internal hard drive designed for demanding storage environments. Delivering 20 TB of storage in a 3.5-inch form factor with a 7200 RPM spindle speed, this drive ensures fast, consistent data access. Its SAS 12Gb/s interface and 512 MB cache help maintain steady performance even under heavy workloads.

Key Features 20 TB storage capacity
3.5-inch form factor
7200 RPM spindle speed
SAS 12Gb/s interface
512 MB cache memory
Helium-sealed design for lower heat and power usage
Rated for 550 TB per year workload
Performance The HAS5310-20T provides consistent high-speed data access, making it suitable for applications that demand continuous storage performance. The combination of its 7200 RPM speed and large cache ensures minimal bottlenecks during large file transfers or multiple simultaneous operations.

Reliability Built to last, this drive features a helium-sealed design that reduces friction and heat generation. With an MTBF of 2.5 million hours, it supports continuous operation and maintains data integrity over long periods.

Compatibility The HAS5310-20T works with a wide range of Synology NAS models that support SAS drives. Users should verify compatibility with their device to ensure full functionality and performance.

Enterprise-ready The HAS5300 series drives leverage the low-latency SAS protocol. When paired with high-performance and highly scalable Synology SA or UC series solutions, they ensure that mission-critical workloads always have access to dependable and fast storage.

The Synology SAT5221-3840G 3.84TB SSD is designed for consistent performance and long-term reliability. Built for demanding workloads, it delivers steady throughput and dependable storage capacity, making it suitable for data-driven environments that require 24/7 operation.

Key Features Capacity: 3.84 TB
Form Factor: 2.5" 7mm
Interface: SATA 6 Gb/s
Sustained Sequential Read (128 KB, QD32): 500 MB/s
Sustained Sequential Write (128 KB, QD32): 500 MB/s
Sustained Random Read (4KB, QD32): 90,000 IOPS
Sustained Random Write (4KB, QD32): 30,000 IOPS
Synology SAT5200 Series SATA SSDs offer stable I/O performance while reducing the latency of critical services and applications. They are built to handle mixed and intensive 24/7 workloads without compromising on endurance, providing a streamlined storage experience on Synology systems with minimal service disruptions.

Stable High Performance for Demanding Environments Engineered for demanding environments such as online transaction processing (OLTP) databases and virtualization deployments, Synology SAT5200 Series drives deliver consistently high performance.

Endurance and Reliability Built to withstand 24/7 intensive workloads, these drives offer endurance of up to 11,460 TBW, ensuring long-lasting reliability.

End-to-End Data Protection Data integrity and consistency are safeguarded across the entire data transfer path, minimizing risks during critical operations.

Power Loss Protection Dedicated capacitors provide enough power to flush in-flight data into NAND flash during unexpected outages, preventing corruption.

Advanced Monitoring and Analytics Integration with Synology DiskStation Manager (DSM) enables lifetime analytics based on actual workloads, offering clear insights into drive health and usage.

Timely Notifications Receive proactive alerts that help you plan ahead and maintain consistent system performance with minimal interruptions.

Efficient Maintenance Automatic firmware update notifications with one-click installation simplify upkeep, reducing workload and eliminating oversights.

Purpose-Built for Synology Systems Each SAT5200 Series SSD is thoroughly validated for Synology systems, with firmware and component changes carefully managed. Rigorous I/O stress testing, power cycling, and temperature trials ensure the highest quality standards are met.

Synology SAT5200 Series SATA SSDs offer stable I/O performance while reducing the latency of critical services and applications. They are built to handle mixed and intensive 24/7 workloads without compromising on endurance, providing a streamlined storage experience on Synology systems with minimal service disruptions.

Features

Performance

Up to 67,000 4K random write IOPS

Endurance

Up to 11,460 TBW for 24/7 enterprise workloads

Analytics

Actionable insight for optimal performance and longevity

Updates

One-click drive firmware updates through DSM

Key Specifications

Solid State Drive

Type: SSD
Component for: NAS
Capacity: Available in 480 GB, 960 GB, 1.92 TB, 3.84 TB and 7TB
Size: 2.5"

*For Technical Specifications see the documentation tab above

The Synology HAT3300-2T 2TB SATA Hard Drive is purpose-built for Synology NAS systems, delivering dependable performance and long-term stability in always-on storage environments. Designed specifically for small and medium-sized business deployments, this drive ensures smooth operation across multi-user workloads, making it ideal for file sharing, backups, and continuous data access.

Note: Designed for use in Synology systems only. Warranty claims will be rejected when used in non-Synology devices.

Key Features of Synology HAT3300-2T 2TB SATA Hard Drive 2TB storage capacity for reliable business and personal data storage
5400RPM rotational speed for efficient and stable performance
256MB cache for improved data handling and responsiveness
SATA 6Gb/s interface for fast and consistent data transfer
3.5-inch form factor designed for Synology NAS enclosures
1 million hours MTBF rating for long-term operational reliability
180 TB/year workload rating for sustained multi-user environments
Conventional Magnetic Recording (CMR) technology for dependable performance
Validated with extensive compatibility and stress testing in Synology systems
Direct firmware updates through Synology DiskStation Manager (DSM)
Optimised for 24/7 NAS Operation Engineered to support continuous operation, the HAT3300-2T is designed to handle demanding workloads without interruption. With a workload rating of up to 180TB per year and a mean time between failures rating of 1 million hours, it provides dependable performance that exceeds the capabilities of standard desktop hard drives.

Extensively Tested for System Compatibility Every Synology HAT3300 drive undergoes rigorous validation and stress testing, with over 500,000 hours of testing to ensure seamless integration and reliable performance in Synology NAS systems. This extensive testing process ensures stable operation even in environments with multiple users accessing and transferring data simultaneously.

Consistent Performance with CMR Technology Using conventional magnetic recording (CMR) technology, the drive delivers predictable and consistent read and write performance. This ensures reliable data access, stable RAID performance, and efficient handling of continuous storage workloads common in NAS environments.

Simple and Seamless Firmware Management Firmware updates are made easy through Synology DiskStation Manager (DSM), allowing users to update the drive directly within their NAS system. This eliminates the need for removing the drive or using external tools, helping maintain optimal performance and reliability with minimal disruption.

Designed for Small and Medium Business Storage With dependable performance, NAS-focused engineering, and seamless integration with Synology systems, the HAT3300-2T provides a reliable storage solution for businesses and professionals. It ensures stable operation for backups, file management, and shared storage, supporting the long-term needs of growing data environments.

The Synology SAT5221-480G is a 480 GB 2.5-inch SATA III SSD designed for high-demand storage tasks. Built for consistent performance and reliability, this drive handles continuous workloads while maintaining speed and stability for data-intensive applications.

Key Features 480 GB 2.5-inch SATA III form factor
Sequential read/write up to 500 MB/s
Random 4KB read up to 90,000 IOPS
Random 4KB write up to 30,000 IOPS
Power loss protection included
Mean Time Between Failures: 1.5 million hours
Synology SAT5200 Series SATA SSDs offer stable I/O performance while reducing the latency of critical services and applications. They are built to handle mixed and intensive 24/7 workloads without compromising on endurance, providing a streamlined storage experience on Synology systems with minimal service disruptions.

Stable high performance for demanding environments Engineered for demanding environments such as online transaction processing (OLTP) databases and virtualization deployments, Synology SAT5200 Series drives deliver consistently high performance.

End-to-end data protection Data integrity and consistency are safeguarded over the entire data transfer path.

Power loss protection circuit design Dedicated capacitors provide sufficient power to flush data-in-flight into NAND flash during a power loss event, further preventing data corruption.

Better analytics Full integration with Synology DiskStation Manager (DSM) enables lifetime analytics for each SAT5200 Series drive based on actual workloads.

Timely notifications Plan further ahead for uninterrupted system performance and longevity with timely notifications.

Optimal use Easy monitoring allows you to make optimal use of each SSD.

One-click firmware upgrades Automatic firmware update notifications and one-click installation through DSM minimize maintenance workload and reduce the chance of oversights.

Purpose-built for Synology systems Synology SAT5200 Series SSDs are thoroughly validated for our systems following each engineering change, while firmware and component changes are strictly managed. Intensive I/O stress, power cycling, and temperature trials ensure that all products meet our strictest standards for quality and reliability.

Unmatched integration with DSM and Synology hardware enable HAS5300 SAS hard drives to reliably deliver class-leading performance in enterprise deployments. HAS5300 drives have passed 200,000 hours of rigorous testing on Synology hardware, feature a 2.5M-hour MTTF, and are covered by Synology’s 5-year limited warranty1.

Features

Performance

Up to 281 MB/s sustained data transfer

Optimization

Up to 27% faster drive repair in Synology NAS

Durability

Rated for 2.5 million hours MTTF

Updates

One-click drive firmware updates through DSM

Key Specifications

Hard Drive

Type: HDD
Component for: Server/Workstation
Capacity: Available in 8, 12 and 16 TB
Size: 3.5"
Speed: 7200 RPM

*For Technical Specifications see the documentation tab above

Synology Enterprise HDDs offer class-leading performance thanks to tight integration with DSM and Synology hardware.

With over 300,000 hours of in-house validation testing and backed by Synology’s 5-year limited warranty, the HAT5300/3510 series brings unmatched reliability to Synology deployments.

Key Specifications

Hard Drive

Type: HDD
Component for: Server/Workstation
Capacity: Available in 4, 8, 12, 16 and 18 TB
Size: 3.5"
Speed: 7200 RPM

*For Technical Specifications see the documentation tab above Features

Consistent performance scaling

Through testing and optimizations, HAT5300/5310 series HDD has been tuned to deliver up to 23% higher sustained sequential read performance in demanding multi-user environments.

Rigorous validation

Over 300,000 hours of stress testing with Synology devices ensure that HAT5300/5310 drives can withstand even the most demanding enterprise environments and deliver highly reliable performance.

Effortless firmware updates

Automatic firmware updates through DSM mean that HAT5300/5310 drives always benefit from the latest enhancements.

Durability for 24/7 environments

HAT5300 series HDD is backed by a 2.5 million hour MTTF rating, workload support of 550 TB per year, and persistent write cache technology to minimize data corruption in the event of sudden power loss.

5-year warranty

Synology are committed to product innovation and quality. HAT5300/5310 drives are backed by a 5-year limited warranty that includes technical support and hardware replacement services to maximize your return on investment.