Toshiba MK4032GAX 40GB Hard Drive Toshiba 40 GB Notebook Hard Drive General Features: 40 GB formatted capacity UDMA/100 5400 RPM spindle speed 8 MB buffer 12 ms average seek time 2.5-inch form factor 9.5 mm drive height Power Specifications: DC+5V 1.0A Regulatory Approvals: CE UL CSA C-Tick MIC BSMI TUV