Western Digital AV-25 320GB Serial ATA internal hard drive

320GB, 6.35 cm (2.5 ") , SATA 3Gb/s, 16MB Cache, 5400 RPM WD AV-25 2.5-inch SATA hard drives are 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, these drives are perfect for DVRs, set-top
boxes and digital video surveillance.

24x7 reliability.
Reliable performance engineered for demanding always-on multimedia streaming environments.

Low-power, compact storage.
Cool, quiet 2.5-inch AV storage is the perfect solution for a variety of multimedia applications and fanless environments where the drive operates below 65° C base casting temperature.

Supports high definition video.
SilkStream technology supports up to five simultaneous streams of HD video in a variety of file formats.