WD AV-GP SATA hard drives store more hi-def audio and video than ever before - up to 3 TB. They are optimized with SilkStream technology to capture data from up to 12 simultaneous HD video treams. And with 24x7 operation, low temperature, and best-in-class reliability, WD AV-GP hard drives are ideal for DVR/PVR and video surveillance applications. Western Digital AV-GP WD10EURX 1 TB 3.5" Internal Hard Drive - SATA/600 - 7200 rpm - 64 MB Buffer
