Western Digital WD AV-25 WD3200BUCT 320GB 5400 RPM 16MB Cache SATA 3.0Gb/s 2.5" Internal Hard Drive Bare Drive

24x7 reliability - These drives are designed to last in always-on streaming digital audio/video environments such as DVR/PVR, digital video surveillance and other demanding multimedia applications.
Optimized for smooth, continuous digital video playback of up to five simultaneous HD streams. Silk
Stream is compatible with the ATA streaming command set so AV customers can use standard streaming management and error recovery options.
Ultra-cool operation - A cool drives 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 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.
3 year limited warranty.

Technical Details
Brand Name: Western Digital
Form Factor: 2.5 -Inch

Product Details
Product Dimensions: 3.9 x 2.8 x 0.4 inches; 5 ounces
Shipping Weight: 6.4 ounces
Item model number: WD3200BUCT
Product Description
From the Manufacturer
WD AV-25 Hard Drives – Engineered to thrive in 24x7 streaming environments.
Low power WD AV-25 hard drives are the cool, quiet and reliable storage choice for demanding always-on read/write applications. These 2.5 -inch drives are ideal for DVRs, digital video surveillance and other small form factor environments where low power consumption and reliable operation are critical.
Why you should choose WD AV-25 drives:
WD AV-25 drives are the perfect way to add storage to small form factor AV devices that require smooth streaming and 24x7 reliability.
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.
Silk
Stream technology supports up to five simultaneous streams of HD video in a variety of file formats.
Ideal for:
Video surveillance
DVRs/PVRs
Set-top boxes
High-end audio systems
Karaoke players
Digital signage

Features:
SATA 3 Gb/s interface - The industry standard and most common interface.
Silk
Stream - Optimized for smooth, continuous digital video playback of up to twelve simultaneous HD streams. Silk
Stream is compatible with the ATA streaming command set so CE customers can use standard streaming management and error recovery options.
Intelli
Seek - Calculates optimum seek speeds to lower power consumption, noise and vibration.
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.
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.
1 million hours (MTBF) - Best-in-class reliability for small-form fac