Product Detail Toshiba MK4004GAH 40 GB Mini Hard Drive General Features: 40 GB formatted capacity UDMA/100 4200 RPM spindle speed 512 KB buffer ATA-5 interface 7.14 ms average latency 15 ms average seek time DC 3.3V, 500 mA 1.8-inch form factor Regulatory Approvals: CE UL C-Tick TUV BSMI CSA . The "40GB IDE Toshiba HDD1524 4200RPM 2MB 1.8 8.0mm MK4004GAH" is best product for you. We recommended 40GB IDE Toshiba HDD1524 4200RPM 2MB 1.8 8.0mm MK4004GAH