Power
| Power consumption (read) |
6.64 W |
| Power consumption (write) |
6.64 W |
| Power consumption (idle) |
5.32 W |
| Input voltage |
5, 12 V |
| Power consumption (PowerSave) |
1.13 W |
| Start-up current |
2 A |
Hard drive
| Start/stop cycles |
50000 |
| Average latency |
4.17 ms |
| Hard disk average seek time |
8.9 ms |
| Drive ready time |
8 s |
| Hard drive capacity |
320 GB |
| Hard drive speed |
7200 RPM |
| Hard drive interface |
Serial ATA II |
| Hard drive size |
3.5 " |
| Drive device, buffer size |
8 MB |
| Bytes per sector |
512 |
Operational conditions
| Non-operating altitude |
-300 - 12000 m |
| Operating shock |
70 G |
| Operating altitude |
-300 - 3000 m |
| Non-operating shock |
350 G |
HD321HJ - 320GB SATA II HDD
- improved recording stability over temperature with PMR
- intelligent compensation of external disturbance
- device initiated SATA power management
- environment friendly product with RoHS compliance
- ATA S.M.A.R.T. compliant
- ATA 48-bit address feature
- NoiseGuard™
- advanced dynamic FOD control for best data integrity
- SATA native command queuing feature
- rotational vibration sensor
- improved performance with dual-ARM based firmware
- ATA automatic acoustic management feature
- ATA device configuration overlay feature
- SilentSeek™