Hitachi Deskstar P7K500 500GB UDMA/133 7200RPM 8MB IDE Hard Drive Hitachi Deskstar P7K500 HDP725050GLAT80 Hard Drive General Features: 500 GB storage capacity UDMA/133 interface (PATA-133) 133 MB/sec maximum interface transfer rate 8 MB buffer 7200 RPM spindle speed 1138 Mbits/sec maximum media transfer rate 8.5 ms seek time 4.17 ms average latency Advanced Power Management reduces power during idle periods HiVERT technology for best-of-breed power consumption