Western Digital WD400BD 40 GB, 7200 RPM, 2 MB Cache Hard Drive
Western Digital Caviar EIDE 40 GB Hard Drive WD400BB
40GB 7200RPM 8MB Buffer Serial ATA/150, 3.5inch, 8.9ms seek, Caviar Series SE
40GB 7200RPM 8MB Buffer Ultra ATA/100, 3.5inch, 8.9ms seek, Caviar Series SE
36GB 10000RPM 16MB Buffer Serial ATA/150, 3.5inch, 8.9ms seek, Raptor Series