Seagate Momentus 160GB SATA/300 7200RPM 8MB 2.5-Inch Hard Drive Product Description Seagate Momentus 7200.2 ST9160823AS - hard drive - 160 GB - SATA-300Type Hard dr Form Factor 2.5" x 1/8H Dimensions (WxDxH) 2.8 in x 3.9 in x 0.4 in Weight 4.1 oz Capacity 160 GB Interface Type Serial ATA-300 Data Transfer Rate 300 MBps Average Seek Time 11 ms Spindle Speed 7200 rpm Buffer Size 8 MB Manufacturer Warranty 5 years warranty