Seagate Barracuda 7200.12 500GB SATA/300 7200RPM 16MB Hard Drive Seagate Barracuda 7200.12 500GB SATA/300 7200RPM 16MB Hard Drive General Features: 500 GB formatted capacity Serial ATA interface SATA/300 data transfer rate (3.0 Gbps) 7200 RPM spindle speed 16 MB buffer 4.16 ms average latency 8.5 ms random seek time (read) 9.6 ms random seek time (write) 3.5-inch form factor Regulatory Approvals: cULus CE BSMI C-Tick