Western Digital WD3200AVBS 320GB SATA/300 72000RPM 2MB Hard Drive Western Digital WD3200AVBS 320 GB SATA/300 Hard Drive General Features: 320 GB capacity 7200 RPM spindle speed 2 MB Buffer Average Latency: 4.20 ms Average Read Seek Time: 8.9 ms SATA 3 Gb/s interface 3.5-inch form factor Power Specifications: +5V, 0.68A +12V, 0.55A Regulatory Approvals: CE cULus C-Tick MIC 1-YEAR DIRECT WARRANTY