Fujitsu MHV2040AT 40GB UDMA/100 4200RPM 2MB 2.5-Inch Notebook Hard Drive Fujitsu 40GB UDMA/100 4200 RPM Notebook Hard Drive General Features: 40 GB formatted capacity UDMA/1 4200 RPM spindle speed 2 MB buffer 12 ms average seek time 7.14 ms average latency 2.5-inch form fac 9.5 mm drive height Power Specifications: 5V, 0.9A Regulatory Approvals: CE UL BSMI CSA C-Tick