Western Digital 80GB UDMA/100 7200RPM 2MB IDE Hard Drive Western Digital WD800BB 80 GB IDE Hard Drive General Features: Formatted Capacity: 80 GB 7200RPM Spindle Speed UDMA/100 transfer rate 2 MB Buffer 4.2ms Average Latency 8.9ms Average Seek Time (Read) 10.9ms Average Seek Time (Write) Standard 40-pin EIDE Interface Standard 3.5-inch form factor Regulatory Approvals: cUL C-Tick CE