Refurbished model Western Digital AV-GP WD2500AVVS 250GB 8MB Cache SATA 3.0Gb/s 3.5" Internal AV Hard Drive Bare Drive. This Western Digital 250GB Internal Hard Drive is perfect if you want additional storage at a low cost. Though this uses the SATA II interface, any SATA III connection is backwards compatible. With a self-adjusting RPM Western Digital calls IntelliPower, energy is saved because the hard drive ramps up only when it needs to.
Power-conserving WD AV-GP drives offer significant power savings and thermally optimized operation resulting in lower cost of ownership and unsurpassed reliability for PVR/DVR, IPTV boxes and media server manufacturers.