Seagate 80GB 5400RPM 8MB SATA/150 2.5-Inch 9.5mm NBB Hard Drive Product Description Seagate Momentus 5400.3 ST980811AS - hard drive - 80 GB - SATA-150Type Hard driv Form Factor 2.5" x 1/8H Dimensions (WxDxH) 2.8 in x 3.9 in x 0.4 in Weight 3.6 oz Capacity 80 GB Interface Type Serial ATA-150 Data Transfer Rate 150 MBps Average Seek Time 12.5 ms Spindle Speed 5400 rpm Buffer Size 8 MB Manufacturer Warranty 5 years warranty