WD AV-25 160GB 2.5" Internal Notebook Hard Drive, 8MB Cache, SATA 3 Gb/s Interface, 5400 RPM Speed, Single Pack

The WD WD1600BVVT AV-25 2.5-inch SATA hard drive is specially engineered to offer cool quiet operation while providing maximum reliability in 24x7 always-on environments. With support for up to five simultaneous HD video streams, this drive is perfect for DVRs, set-top boxes and digital video surveillance.