Enterprise Series 3.5" SATA HDD
High-performance, reliable hard drives for Synology systems
Consistent performance scaling
Through testing and optimizations, HAT5300 series HDDs has been tuned to deliver up to 23% higher sustained sequential read performance
Rigorous validation
Over 500,000 hours of stress testing with Synology devices ensure that HAT5300 series drives can withstand even the most demanding enterprise environments and deliver highly reliable performance.
Durability for 24/7 environments
With an MTBF
One-click firmware upgrades
Automatic firmware update notifications and one-click installation through DSM minimize maintenance workload and reduce the chance of oversights.

Accelerated RAID recovery
Compared to similar-class drives from other brands, Synology hard drives deliver up to 27% quicker drive repair speeds

5-year warranty
At Synology, we are committed to product innovation and quality. HAT5300 series 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
RS3621xs+

- Intel® Xeon® 8-core processor
- Built-in dual 10GbE ports
- Up to 64 GB DDR4 ECC UDIMM
RS4021xs+

- Over 234,698 4K random read IOPS
- Built-in dual 10GbE ports
- Up to 40 bays with RX1217RP/RX1217
RS1619xs+

- Quad-core 2.2 GHz CPU
- Optional 10GbE support
- Built-in M.2 NVMe slots for SSD cache
Hardware Specifications |
HAT5300-4T
|
HAT5310-8T
|
HAT5300-12T
|
HAT5300-16T
|
HAT5310-20T
|
---|---|---|---|---|---|
General |
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Capacity | 4 TB | 8 TB | 12 TB | 16 TB | 20 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.) | 255 MB/s | 260 MB/s | 254 MB/s | 275 MB/s | 281 MB/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) | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) | The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) | 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 | 4.38 W |
Random Read / Write (4KB Q1) (Typ.) | 7.76 W | 9.29 W | 7.83 W | 7.63 W | 8.11 W |
Notes |
Power consumption may differ according to configurations and platforms. | Power consumption may differ according to configurations and platforms. | Power consumption may differ according to configurations and platforms. | Power consumption may differ according to configurations and platforms. | 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) |
Compatibility |
|||||
Applied Models |
Hardware Specifications |
HAT5300-4T
|
HAT5310-8T
|
HAT5300-12T
|
HAT5300-16T
|
HAT5310-20T
|
|
---|---|---|---|---|---|---|
General | Capacity | 4 TB | 8 TB | 12 TB | 16 TB | 20 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.) | 255 MB/s | 260 MB/s | 254 MB/s | 275 MB/s | 281 MB/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 | 4.38 W |
Random Read / Write (4KB Q1) (Typ.) | 7.76 W | 9.29 W | 7.83 W | 7.63 W | 8.11 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) | |
Compatibility |
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Applied Models |