Seagate ST3250823AS Barracuda 7200.8 SATA 250 GB 3.5" Internal Hard Drive Seagate 250 GB SATA/150 Hard Drive General Features: 250 GB formatted capacity 7200 RPM spindle spee SATA/150 interface 8MB buffer 8 ms average seek time 4.16 ms average latency 3.5-inch form factor Regulatory Approvals: UL CE C-Tick BSMI RWTUV