Manufacturer's Specs
| General |
| Interface | SATA 3 Gb/s |
| Formatted Capacity | 40,020 MB |
| User Sectors Per Drive | 78,165,360 |
| Capacity | 40 GB |
| Performance |
| Transfer Rate (Buffer To Disk) | 748 Mbits/s (Max) |
| Buffer To Host (Serial ATA) | 3 Gb/s (Max) |
| Power |
| Standby | 1.90 Watts |
| Read/Write | 12.80 Watts |
| Sleep | 1.30 Watts |
| Idle | 9.50 Watts |
| Acoustics |
| Seek Mode 3 | 34 dBA (average) |
| Seek Mode 0 | 35 dBA (average) |
| Idle Mode | 33 dBA (average) |
External links
Western Digital
WD400JD
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Western Digital Caviar SE Reviews & Benchmarks
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