Seagate Barracuda 7200.7 40GB UDMA/100 7200RPM 2MB IDE Hard Drive Seagate 40 GB Hard Drive General Features: 40 GB formatted capacity UDMA/100 7200 RPM spindle speed 2 MB buffer 8.5 ms average seek time 4.16 ms average latency E-IDE/ATAPI interface 3.5-inch form factor