Seagate ST3500630AS 500GB SATA/300 7200RPM 16MB Hard Drive Seagate ST3500630AS 500 GB SATA/300 7200RPM 16MB Hard Drive General Features: 500 GB capacity Serial ATA/300 interface (3Gb/s) 7200 RPM spindle speed 16 MB Buffer 8.5 ms average seek time 4.16 ms average latency 3.5-inch form factor Power Specifications: +5V, 0.72 A +12V, 0.52 A Regulatory Approvals: CE cULus C-Tick MIC