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Details
Details
|
Hard Disk Model |
WDC WD400JD |
|
Disk Family |
Caviar SE |
|
Form Factor |
3.5" |
|
Capacity |
40 GB (40 x 1 000 000 000 bytes) |
|
Number Of Disks |
1 |
|
Number Of Heads |
1 |
|
Rotational Speed |
7200 RPM |
|
Rotation Time |
8.33 ms |
|
Average Rotational Latency |
4.17 ms |
|
Disk Interface |
Serial-ATA/300 |
|
Buffer-Host Max. Rate |
300 MB/seconds |
|
Buffer Size |
8192 KB |
|
Drive Ready Time (typical) |
12 seconds |
|
Average Seek Time |
8.9 ms |
|
Track To Track Seek Time |
2.0 ms |
|
Full Stroke Seek Time |
21.0 ms |
|
Width |
101.6 mm (4.00 inch) |
|
Depth |
147 mm (5.79 inch) |
|
Height |
26.1 mm (1.03 inch) |
|
Weight |
430 grams (0.95 pounds) |
|
Acoustic (Idle) |
3.3 Bel |
|
Acoustic (Min performance and volume) |
3.4 Bel |
|
Acoustic (Max performance and volume) |
3.5 Bel |
|
Required Power For Spinup |
1250 mA |
|
Power Required (Seek) |
12.8 W |
|
Power Required (Idle) |
9.5 W |
|
Power Required (Standby) |
1.9 W |
|
Manufacturer |
Western Digital Corporation |
Additional Info
Additional Info
| Capacity | 40GB |
|---|---|
| Manufacturer | Western Digital |
| Model Number | WD400JD |
| SKU | R1730 |
| product id | 65484 |
