Western Digital 120GB Caviar Se Eide ATA100 7200 Rpm 8MB 3.5IN Western Digital WD1200JB 120GB UDMA/100 7200RPM 8MB IDE Hard Drive General Features: 120 GB Formatted Capacity 7200 RPM Spindle Speed Buffer Size: 8MB 8.9ms average seek time (read) Average Latency: 4.2ms UDMA/100 (downward compatible to UDMA/66 and 33) IDE Interface 3.5-inch form factor Power Specifications: DC +5V, 0.65A DC +12V, 0.90A Regulatory Approvals: CSA UL