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Western Digital Caviar SE16 250GB 7.2K 3.5″ SATA Hard Drive WD2500AAKS – Factory Recertified
Western Digital Caviar SE16 250GB 7.2K 3.5″ SATA Hard Drive WD2500AAKS – Factory Recertified
Model: WD2500AAKS
| Weight | 0.816 kg |
|---|
| Physical Specifications | |
| Formatted CapacityĀ 1 | 250,059 MB |
| Interface | SATA |
| Actuator latch/auto park | Yes |
| Number of Heads | 6 |
| Bytes Per Sector | 512 |
| User Sectors Per Drive | 488,397,168 |
| Servo Type | Embedded |
| Performance Specifications | |
| Average SeekĀ 1 – Read – Write |
8.9 ms average 10.9 ms average |
| Track-to-Track Seek | 2.0 ms average |
| Full Stroke Seek | 21 ms average |
| Index Pulse Period | 8.3 ms (nominal) |
| Average Latency | 4.2 ms (nominal) |
| Rotational Speed | 7200 RPM (nominal) |
| Buffer Size | 8 MB |
| Data Transfer Rate (maximum) – Buffer to Host – Buffer to Disk |
100 MB/s (Mode 5 Ultra ATA) 66.6 MB/s (Mode 4 Ultra ATA) 33.3 MB/s (Mode 2 Ultra ATA) 16.6 MB/s (Mode 4 PIO) 16.6 MB/s (Mode 2 multi-word DMA) 748 Mbits/s maximum |
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