Seagate ST9160411AS Momentus 7200.3 SATA 3Gb/s 160 GB Bulk/OEM Hard Drive 7,200 RPM Spin Speed,16 MB Cache Buffer SATA 3.0Gb/s Interface, 160 GB Capacity Average latency 4.17 msec, Random read seek time 11.0 msec, Random write seek time 13.0 msec Best-Fit Applications; Performance laptops, Workstations, Small form factor PCs 3 Year Warranty