Seagate Barracuda 7200.8 400GB SATA/150 7200RPM 8MB Hard Drive Seagate Barracuda 7200.8 ST3400832AS 400GB SATA Hard Drive General Features: 400 GB storage capacity 7200 RPM spindle speed SATA/150 transfer rate 8 MB buffer 4.16 ms average latency 8 ms average seek time SATA interface 3.5-inch form factor Power Specifications: +5V, 0.46A +12V, 0.56A Regulatory Approvals: cULus CE C-Tick MIC 90-DAY WARRANTY