Hard drive
| Average latency |
4.17 ms |
| Hard disk average seek time |
8.9 ms |
| Drive ready time |
8 s |
| Hard drive size |
3.5 " |
| Drive device, buffer size |
8 MB |
| Start/stop cycles |
50000 |
| Hard drive capacity |
250 GB |
| Hard drive interface |
Serial ATA II |
| Hard drive speed |
7200 RPM |
| Bytes per sector |
512 |
Power
| Power consumption (PowerSave) |
0.7 W |
Operational conditions
| Non-operating shock |
350 G |
| Operating shock |
70 G |
| Non-operating altitude |
300 - 12000 m |
| Operating altitude |
300 - 3000 m |
Additionally
| Transfer rate (Mbps) |
175 Mbit/s |
HD251HJ - 250GB HDD
Features
- Max. 334GB Formatted Capacity per Disk
- Serial ATA 3.0Gbps Interface Support
- Improved recording stability over temperature with PMR
- Advanced dynamic FOD control for best data integrity
- Intelligent compensation of external disturbance
- SATA Native Command Queuing Feature
- Device Initiated SATA Power Management
- Staggerd Spin-up Support
- Environment friendly product with RoHS compliance
- Improved performance with dual-ARM based firmware
- ATA S.M.A.R.T. Compliant
- ATA Automatic Acoustic Management Feature
- ATA 48-bit Address Feature
- ATA Device Configuration Overlay Feature
- Environment friendly product with RoHS compliance
- Rotational vibration sensor
- NoiseGuard™
- SilentSeek™