Seagate ST94813AS 40GB SATA/150 5400RPM 8MB 2.5" Notebook Hard Drive Seagate ST94813AS 40 GB SATA/150 Notebook Hard Drive General Features: 40 GB formatted capacity SATA/150 5400 RPM spindle speed 8 MB buffer 12.5 ms average seek time 5.6 ms average latency 2.5-inch form factor 9.5 mm drive height Power Specifications: +5V, 0.48A Regulatory Approvals: CE c BSMI C-Tick MIC TUV