Hitachi 500GB UDMA/100 7200RPM 8MB IDE Hard Drive Hitachi 500GB UDMA/100 7200RPM 8MB IDE Hard Drive General Features: 500 GB formatted capacity 7200 RPM spindle speed 8 MB Buffer 12.6 ms average seek time 4.17 ms average latency UDMA/100 transfer rate E-IDE/ATAPI interface