Seagate Barracuda 7200.12 160 GB 7200 RPM SATA 6Gb/s NCQ 8MB Cache 3.5 Inch Internal Bare Drive ST3160316AS 160GB Capacity and 8-MB Cache Best-in-class environmental specifications and reliability features Adaptive Fly Height offers consistent read/write performance from the beginning to the end of your computing workload. Ships with the most reliable and proven perpendicular magnetic recording technology Best-Fit Applications include desktop PCs, workstations, direct attached external storage devices (DAS), network attached storage devices (NAS), 160GB Capacity and 8-MB Cache. Two Year Warranty Also PC-based game systems and home servers Ships in Certified Frustration-Free Packaging