Seagate ST3400832A 400GB UDMA/100 7200RPM 8MB IDE Hard Drive Seagate Barracuda 7200.8 ST3400832A 400GB IDE Hard Drive General Features: 400 GB storage capacity 7200 RPM spindle speed UDMA/100 transfer rate 8 MB buffer 4.16 ms average latency 8 ms average seek time IDE interface 3.5-inch form factor Regulatory Approvals: cUL CE C-Tick MIC