Samsung Spinpoint N2 HS161JQ-160GB 4200RPM ATA-100 CE-ATA 2MB Cache 1.8-inch Internal Hard Drive Product Type - Internal Hard Drive, Capacity - 160 GB Average Seek Time - 15 ms Cache - 2 MB, Spindle Speed - 4200 RPM Form Factor - 1.8-inch Drive Interface Type - CE-ATA