Toshiba MK2023GAS 20GB Hard Drive Toshiba MK2023GAS 20 GB UDMA/100 Notebook Hard Drive General Features: 20 GB formatted capacity UDMA/100 4200 RPM spindle speed 2 MB buffer 12 ms average seek time 7.14 ms average latency 2.5-inch form factor 9.5 mm drive height Power Specifications: DC+5V, 0.7A Regulatory Approvals: UL CSA CE TUV MIC C-Tick BSMI