Compaq 20GB
IDE, 20 GB, 4200 rpm, 3.5", Interface: IDE, Interface Type: DMA/ATA-66 (Ultra), Internal/External: Intern, Storage capacity: 20.0 GB, Cache memory: MB, Size: 3.5", Revolutions per min: 4200 rpm, Access time: 12.0 ms, Interface Transfer Rate: 66.0 MB/s