20 TB enterprise 3.5-inch SATA HDD
Synology HAT5310-20T 20 TB 3.5-inch SATA Enterprise HDD
The Synology HAT5310-20T is a 20 TB 3.5" SATA 6 Gb/s enterprise hard drive for compatible Synology systems, operating at 7,200 rpm with a typical maximum sustained transfer speed of 281 MB/s.
- Capacity
- 20 TB
- Interface
- SATA 6 Gb/s
- Rotational speed
- 7,200 rpm
- Typical transfer
- 281 MB/s
Enterprise hard-drive capacity for Synology storage
The Synology HAT5310-20T combines 20 TB capacity with a 7,200 rpm SATA design, Synology-system validation and DSM-oriented firmware maintenance. It is positioned for reliable 24/7 storage deployments where exact drive compatibility is confirmed.
20 TB enterprise capacity
Provides 20 TB of 3.5-inch SATA hard-drive capacity for compatible Synology systems.
7,200 rpm operation
The exact HAT5310-20T model uses a 7,200 rpm rotational speed.
281 MB/s typical transfer
Synology specifies up to 281 MB/s maximum sustained data transfer for this model.
Designed for 24/7 storage
The Enterprise Series is positioned for Synology server deployments that operate around the clock.
DSM firmware maintenance
Synology integration enables drive firmware notifications and one-click installation through DSM.
Five-year warranty
The HAT5310-20T is backed by a five-year limited warranty from the purchase date shown on the receipt.
Who is the Synology HAT5310-20T best for?
A strong choice for
- Compatible Synology systems requiring a 20 TB enterprise HDD
- NAS and server deployments operating around the clock
- Capacity-focused business storage and backup
- Administrators wanting Synology-validated drive media
- Deployments that value DSM-based firmware maintenance
Consider another model if you need
- The target Synology system does not list HAT5310-20T as compatible
- You need SSD latency rather than mechanical hard-drive capacity
- You require a capacity other than 20 TB
- You need portable external storage
Key specifications
- Model
- HAT5310-20T
- Capacity
- 20 TB
- Form factor
- 3.5"
- Interface
- SATA 6 Gb/s
- Rotational speed
- 7,200 rpm
- Maximum sustained transfer (typical)
- 281 MB/s
- Active idle power (typical)
- 4.38 W
- Random read/write power (typical)
- 8.11 W
- Operating temperature
- 5°C to 60°C (41°F to 140°F)
- Warranty
- 5 years
Full technical specifications
Capacity, interface and performance
| Model | HAT5310-20T |
|---|---|
| Capacity | 20 TB |
| Form factor | 3.5" |
| Interface | SATA 6 Gb/s |
| Rotational speed | 7,200 rpm |
| Maximum sustained data transfer speed (typical) | 281 MB/s |
| Warranty | 5 years |
Power, environment and compatibility
| Active idle (typical) | 4.38 W |
|---|---|
| Random read/write (4 KB Q1, typical) | 8.11 W |
| Operating temperature | 5°C to 60°C (41°F to 140°F) |
| Non-operating temperature | -40°C to 70°C (-40°F to 158°F) |
| Compatibility | Check the current Synology compatibility list for the exact system before purchase |
Frequently asked questions about the Synology HAT5310-20T
What is the Synology HAT5310-20T?
It is a 20 TB 3.5-inch enterprise SATA hard drive for compatible Synology systems.
What capacity does the HAT5310-20T provide?
The HAT5310-20T provides 20 TB of hard-drive capacity.
What interface does the HAT5310-20T use?
It uses a SATA 6 Gb/s interface in a 3.5" form factor.
What rotational speed does the HAT5310-20T use?
The HAT5310-20T operates at 7,200 rpm.
What transfer speed is specified for the HAT5310-20T?
Synology specifies a typical maximum sustained data transfer speed of 281 MB/s.
Is the HAT5310-20T designed for continuous operation?
The Enterprise Series is purpose-built for Synology server deployments operating 24/7.
Can firmware for the HAT5310-20T be updated through DSM?
Synology states that drive firmware update notifications and one-click installation are available through DSM.
What operating temperature is specified for the HAT5310-20T?
The specified operating range is 5°C to 60°C (41°F to 140°F).
What warranty applies to the HAT5310-20T?
Synology specifies a five-year limited warranty beginning on the purchase date shown on the receipt.
How do I confirm whether the HAT5310-20T is compatible?
Check Synology's current compatibility list for the exact NAS or storage system before purchase.
- Confirm the exact Synology system and current compatibility status before purchase.
- Actual performance and power consumption vary with workload, platform and configuration.
- The warranty period starts from the purchase date shown on the purchase receipt.
- Drive capacity is stated using the manufacturer's decimal convention.
