WD AV-GP Hard Drives – 24x7 reliability for video streaming. WD AV-GP hard drives offer the highest capacity for audio/video storage - up to 3 TB. These drives utilize WD GreenPower Technology to reduce power consumption by up to 40 percent when compared to standard 7200 RPM drives. They deliver cool and quiet operation and reliability that is perfect for audio video applications such as PVRs, DVRs, set-top boxes (STBs) as well as surveillance video recording. Why you should choose WD AV-GP drives: WD AV-GP hard drives provide high capacity storage while using up to 40 percent less power than traditional 7200 RPM drives. In addition, these hard drives are quieter and cooler than traditional 7200 RPM drives. 24x7 reliability. Optimized for smooth, continuous digital video playback of up to twelve simultaneous HD streams. Reduced power consumption. With the combination of WD"s IntelliSeek, NoTouch ramp load, and IntelliPower technologies, WD has reduced power consumption by up to 40 percent compared to competitors" drives. Whisper quiet. Noise levels have been minimized to less than one sone – virtually below the threshold of human hearing. Compatible. Tested for compatibility in a broad range of AV products including set top boxes, DVD recorders, and mainstream surveillance systems. SilkStream technology. Optimized for smooth, continuous digital video playback of multiple 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. NoTouch ramp load technology. The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit. 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. Long-term reliability. These drives are designed to last in high temperature always-on streaming digital audio/video environments such as PVR/DVR, DVR recorders and surveillance video recorders. Advanced Format (AF). Technology being adopted by WD and other drive manufacturers to continue growing hard drive capacities. New drives featuring AF are optimized for operation with Windows 7, Windows Vista and Mac OS X Tiger, Leopard, Snow Leopard. For older operating systems such as Windows XP, users must run the free WD Align software utility to achieve the full performance of the drive. 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 mounting hardware. 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 Amazon.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. Ideal for: PVR DVR Set-top boxes Serveillance video recorders Features at a glance 2 TB of AV storage Reduced power consumption SATA 6 Gb/s interface WD GreenPower Technology 64 MB cache You might also consider: AV Hard Drives Comparison Chart WD AV-GP WD AV-25 24x7 reliability for video streaming. Engineered to thrive in 24x7 streaming environments. Capacity 160 GB - 3 TB 160 GB - 1 TB Interface SATA 3 Gb/s SATA 6 Gb/s SATA 3 Gb/s Form Factor 3.5-inch 2.5-inch Cache 8 MB - 64 MB 16 MB - 32 MB Limited warranty 3-year 3-year