WD Black 160 GB Mobile Hard Drive: 2.5 Inch, 7200 RPM, SATA II, 16 MB Cache, 5 Year Warranty – WD1600BEKT

Ships in Certified Frustration-Free Packaging7200 RPM SATA 2.5-inch hard drives from Western Digital deliver desktop-class performance and power efficiency. Capacity: up to 500 GB.7200 RPM and 16MB cache deliver desktop performance for your laptop.IntelliS