320GB Caviar Se Eide ATA100 7200 Rpm 8MB 3.5IN Western Digital Caviar SE 320 GB UDMA/100 IDE Hard Drive General Features: 320 GB formatted capacity UDMA/100 7200 RPM Spindle Speed 8MB Buffer 8.9 ms average seek time (read) 10.9ms average seek time (write) 21 msfull strokeseek time 4.2 ms average latency 3.5-inch form fact Power Specifications: 5VDC, 0.65A 12VDC, 0.90A Regulatory Approvals: UL CE C-Tick BSMI