Seagate ST3320820A 320GB UDMA/100 7200RPM 8MB IDE Hard Drive Seagate BarracudaST3320820A 320 GB UDMA/100 IDE Hard Drive General Features: 320GB formatted capacity 7200 RPM spindle speed 8MB buffer 8.5 ms average seek time 4.16 ms average latency UDMA/100 interface IDE interface 3.5-inch form factor Power Requirements: +5V, 0.72A +12V, 0.52A Regulatory Approvals: CE cULus C-Tick BSMI MIC TUV