Western Digital WD1200SB 120GB Hard Drive Western Digital WD1200SB 120GB UDMA/100 IDE Hard Disk Drive General Features: 120 GB formatted capacity UDMA/100 7200 RPM spindle speed 8 MB buffer 8.9 ms average read seek time 4.2 ms average latency E-IDE/ATAPI interface 3.5-inch form factor Power Specifications: DC +5V, 0.65 DC +12V, 0.90A Regulatory Approvals: cULus CE C-Tick MIC BSMI