• 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. SilkStream is compatible with the ATA streaming command set so AV customers can use standard streaming management and error recovery options..
• 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..
• 1 TB capacity holds up to 200,000 digital photos, 250,000 MP3 files, and 120 hours of HD video..
• 3 year limited warranty..

Product Description ------------------- 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, digital video surveillance and other demanding multimedia applications. 3-year limited warranty. 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. Advanced Format technology delivers improved video quality and AV performance through enhanced error correction capability. Optimized for smooth, continuous digital video playback of up to five simultaneous HD streams. SilkStream is compatible with the ATA streaming command set so AV customers can use standard streaming management and error recovery option. A cool drives is a more reliable drive. WD continues to develop new and innovative ways to keep drives cool while they are operating. Noise levels have been minimized to virtually below the threshold of human hearing. The drive draws less than 2 Watts while operating and a mere 4.75 Watts during spin up. The drive arm frequently sweeps across the disk to reduce uneven wear on the drive surface common to audio video streaming applications. 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. SilkStream 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. SilkStream - Optimized for smooth, continuous digital video playback of up to twelve simultaneous HD streams. SilkStream is compatible with the ATA streaming command set so CE customers can use standard streaming management and error recovery options. IntelliSeek - 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 factor AV storage.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. Upgrading your drive is easy - WD Acronis TrueImage, available as a free download on the WD Support site, enables you to copy all your data to a new drive so you don't have to reinstall your operating system to get all the benefits of a new drive. Note: Bare drive does not include any cables or ing hardware. The WD advantage - WD puts our products through extensive Functional Integrity Testing (F.I.T.) prior to any product launch. On average, each new product goes through 600,000 hours of testing. WD also has a detailed Knowledge Base with more than 1,000 helpful articles. You can also call toll-free support 7 days per week in the U.S. and Canada. See the WD Support site for full details. WD-certified packaging - All WD drives purchased from .com are shipped in WD-certified hard drive packaging. It is designed and fully tested to provide WD products with the highest of safety while in transit. With WD-certified packaging, you can rest assured that your WD hard drive will arrive safely, fully protected, in an environmentally-friendly, non-descript, easy-open package. Compatibility Works with Windows, Windows server, Linux and Mac OS. Features at a glance * 500 GB of AV storage * 2.5-inch form factor * SATA 3 Gb/s interface * 16 MB cache You might also consider: ------------------------ AV Hard Drives Comparison Chart WD AV-GP ( http://www..com/dp/B004W9BKE0 ) WD AV-25 ( http://www..com/dp/WD10JUCT ) 24x7 reliability for video streaming. Engineered to thrive in 24x7 streaming environments. Capacity 160 GB - 3 TB 160 GB - 1 TB Interface SATA 6 Gb/s, SATA 3 Gb/s SATA 3 Gb/s Form Factor 3.5-inch 2.5-inch Cache 8 MB - 64 MB 16 MB - 32 MB