Western Digital WD AV-25 500GB 2.5' HDD SATA 5400RPM 16MB Cache 24x74 -40 to 70 1M Hrs MTBF 3yrs Wty for DVR Set-Top Box Surveillance

Western Digital WD AV-25 500GB 2.5' HDD SATA 5400RPM 16MB Cache 24x74 -40鎺矯 to 70鎺矯 1M Hrs MTBF 3yrs Wty for DVR Set-Top Box Surveillance 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. Product Features 24x7 reliability - These drives are designed to last in high temperature alwayson streaming digital audio/video environments such as PVR/DVR, IPTV, and video surveillance systems. Advanced Format technology - Leading edge technology delivers improved video quality and AV performance through enhanced error correction capability. SilkStream閳 technology - Optimized for smooth, continuous digital video playback of up to five simultaneous HD streams. SilkStream is compatible with the ATA streaming command set so CE customers can use standard streaming management and error recovery options. Ultra-cool operation - A cool drive is a more reliable drive. WD continues to develop new and innovative ways to keep drives cool while they are operating. Quiet - Noise levels have been minimized to less than one sone* - virtually below the threshold of human hearing. Low power consumption - The drive draws less than 2 Watts while operating and a mere 4.75 Watts during spin up. 1 million hours MTBF - Best-in-class reliability for small form-factor AV storage.** Preemptive Wear Leveling - (PWL) The drive arm frequently sweeps across the disk to reduce uneven wear on the drive surface common to audio video streaming applications.