An 8 TB CMR hard drive designed for continuous NAS operation. Its 7,200 rpm spindle, 512 MB cache and SATA 6 Gb/s interface suit shared storage and backup workloads in compatible Synology systems.
Technical specifications
- Model: Synology HAT3320-8T Plus Series
- Capacity: 8 TB
- Form factor: 3.5″
- Interface: SATA 6 Gb/s
- Recording technology: CMR
- Rotational speed: 7,200 rpm
- Cache: 512 MB
- Sector format: 512e
- Sustained transfer speed: Up to 281 MB/s (typical, manufacturer test)
- Rated workload: 300 TB/year read/write
- MTBF: 1,200,000 hours; statistical reliability rating, not a service-life guarantee
- Firmware updates: Through Synology DSM on compatible systems
- Power consumption: 5.74 W active idle; 9.07 W random read/write (typical)
- Operating temperature: 5–60 °C
- Storage temperature: −40–70 °C
- Operating humidity: 5–90% RH, non-condensing
- Dimensions (H × W × D): 26.1 × 101.85 × 147 mm
- Weight: 755 g
- Noise: 34 dB idle / 35 dB seek (typical)
- Compatibility check: Check the exact NAS model and drive in the Synology compatibility list; formatted usable capacity is lower than 8 TB











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