Synology 4TB SATA3 NAS HDD Enterprise 3.5″, 7200rpm (HAT5320-4T)

Performance
- Up to 281 MB/s sustained data transfer2

Optimization
- Up to 23% faster sequential read in Synology NAS3

Reliability
- Purpose-built for Synology servers running 24/7

Updates
- One-click drive firmware updates through DSM

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.

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 minimize maintenance workload and reduce the chance of oversights.

Durability for 24/7 environments
- With an MTTF5 rating of up to 2.5 million hours, the HAT5300 series HDD supports a workload of 550 TB per year and persistent write cache technology to minimize data corruption in the event of sudden power loss.

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.

Specifications
General
- Capacity: 4 TB
- Form Factor: 3.5"
- Interface: SATA 6 Gb/s

Performance
- Rotational Speed: 7,200 rpm
- Maximum Sustained Data Transfer Speed (Typ.): 243 MiB/s

Reliability
- Warranty: 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
- Random Read / Write (4KB Q1) (Typ.): 7.76 W
- Notes
• Power consumption may differ according to configurations and platforms.

Temperature
• Operating: 5°C to 60°C (41°F to 140°F)
• Non-operating: -40°C to 70°C (-40°F to 158°F)