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Enterprise Series 3.5" SATA HDD

High-performance, reliable hard drives for Synology systems

Enterprise storage drives for Synology systems

Synology HAT5300 HDD offers class-leading performance thanks to tight integration with DSM and Synology hardware. With over 500,000 hours of in-house validation testing and backed by Synology’s 5-year limited warranty1, the HAT5300 series brings unmatched reliability to Synology deployments.

Read the story behind it


Up to 281 MB/s sustained data transfer2


Designed for 24/7 operation


Seamless firmware updates through DSM


Fast troubleshooting from Synology

Simply faster

DS923+ can handle more demanding application workloads and a greater number of concurrent users compared to prior-generation systems. Experience faster file indexing in Synology Drive, photo organization in Photos, and concurrent file transfers.1

Synology Drive

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faster file indexing

Synology Photos

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faster photo indexing

Multiple file transfers

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faster random write

Consistent performance scaling

Through testing and optimizations, HAT5300 series HDD has been tuned to deliver up to 23% higher sustained sequential read performance3 in demanding multi-user environments.

Hard drives designed for Synology systems

Rigorous validation

Over 500,000 hours of stress testing with Synology devices4 ensure that HAT5300 drives can withstand even the most demanding enterprise environments and deliver highly reliable performance.

One-click firmware upgrades

Automatic firmware update notifications and one-click installation through DSM minimizes maintenance workload and reduces the chance of oversight.

Durability for 24/7 environments

Synology Plus Series drives are subjected to thorough compatibility and stress testing to ensure smooth 24/7 operation under multi-user workloads.

5-year warranty

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

High performance storage systems

RackStation RS3621xs+

  • Intel® Xeon® 8-core processor
  • Built-in dual 10GbE ports
  • Up to 64 GB DDR4 ECC UDIMM

RackStation RS4021xs+

  • Over 234,698 4K random read IOPS
  • Built-in dual 10GbE ports
  • Up to 40 bays with RX1217(RP)

RackStation RS1619xs+

  • Quad-core 2.2 GHz CPU 
  • Scales up to 224TB Optional 10GbE support
  • Built-in M.2 NVMe slots for SSD cache


  1. The warranty period starts from the purchase date as stated on the receipt of purchase.
  2. Maximum sustained data transfer speed of HAT5310-18T drives.
  3. Performance testing was conducted by Synology using 12 drives on an SA3600, configured using RAID 5, against similar class drives (Enterprise) with IOMeter (64KB blocks). Results are for reference only. Actual performance may vary depending on workload, testing methods, and how devices and software are configured.
  4. Among the HAT5300-4T, HAT5310-8T, HAT5300-12T, HAT5300-16T, and HAT5310-18T drives, 500,000 hours of hard drive tests have been conducted with Synology devices to maximize the compatibility of these drives with Synology devices.
  5. Mean Time to Failure (MTTF) is not a guarantee or estimate of product life; it is a statistical value related to mean failure rates for a large number of products which may not accurately reflect actual operation. Actual operating life of the product may be different from the MTTF.
  6. Product images are for illustrative purposes only. Actual product may appear with different labeling or housing, which do not affect the performance characteristics of the product.
Hardware Specifications
General Capacity 4 TB 8 TB 12 TB 16 TB 18 TB
Form Factor 3.5″ 3.5″ 3.5″ 3.5″ 3.5″
Interface SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s
Performance Rotational Speed 7,200 rpm 7,200 rpm 7,200 rpm 7,200 rpm 7,200 rpm
Maximum Sustained Data Transfer Speed (Typ.) 243 MiB/s 248 MiB/s 242 MiB/s 262 MiB/s 268 MiB/s
Reliability Warranty 5 Years 5 Years 5 Years 5 Years 5 Years
Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Power Consumption Active Idle (Typ.) 4.07 W 5.61 W 4.25 W 4.00 W 4.16 W
Random Read / Write (4KB Q1) (Typ.) 7.76 W 9.29 W 7.83 W 7.63 W 8.35 W
Notes Power consumption may differ according to configurations and platforms.
Temperature Operating 5°C to 60°C (41°F to 140°F) 5°C to 60°C (41°F to 140°F) 5°C to 60°C (41°F to 140°F) 5°C to 60°C (41°F to 140°F) 5°C to 60°C (41°F to 140°F)
Non-operating -40°C to 70°C (-40°F to 158°F) -40°C to 70°C (-40°F to 158°F) -40°C to 70°C (-40°F to 158°F) -40°C to 70°C (-40°F to 158°F) -40°C to 70°C (-40°F to 158°F)
Applied Models