Western Digital Caviar WD400BB
| Manufacturer | Western Digital |
| Model | Caviar |
| Model number | WD400BB |
| Capacity | 40 GB |
| Form factor | 3.5" |
| Interface | ATA 100 |
| Rotation speed | 7200 rpm |
| Buffer | 2 MB |
| Average rating | /5 (1) |
Test author: SL4SH
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HD Tune
| Maximum transfer | 33.1 MB/s |
|---|---|
| Minimum transfer | 25.6 MB/s |
| Average transfer | 30.4 MB/s |
| Burst rate | 27.3 MB/s |
| Access time | 14.3 ms |
HD Tach
| Average read speed | 33.7 MB/s |
|---|---|
| Burst read speed | 0 MB/s |
| Access time | 14.1 ms |
ATTO Disk Benchmark
| Read speed | 29530 KB/s |
|---|---|
| Write speed | 34636 KB/s |
More tests for this disk (Polish) Western Digital Caviar WD400BB
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Computer details used for the disk test Western Digital Caviar (WD400BB), 40 GB, 2 MB, 7200 rpm:
Processor: Intel Celeron G550 Intel(R) Celeron(R) CPU G550 @ 2.60GHz
Motherboard: Gigabyte Technology Co., Ltd. H61M-S2PV
Southbridge: Intel H61 rev. B3
Northbridge: Intel Sandy Bridge rev. 09
RAM: DDR3 4096 MBytes 532.2 MHz (1:4)
Operating system: Microsoft Windows 7 (6.1) 32-bit Service Pack 1 (Build 7601)
Processor: Intel Celeron G550 Intel(R) Celeron(R) CPU G550 @ 2.60GHz
Motherboard: Gigabyte Technology Co., Ltd. H61M-S2PV
Southbridge: Intel H61 rev. B3
Northbridge: Intel Sandy Bridge rev. 09
RAM: DDR3 4096 MBytes 532.2 MHz (1:4)
Operating system: Microsoft Windows 7 (6.1) 32-bit Service Pack 1 (Build 7601)