Product description SpecificationsMfr Part Number: WD20EURXCapacity: 2 TBRotational Speed: IntelliPowerCache: 64 MBInterface: SATA 6 Gb/sData Transfer Rate (Max):Buffer to Host: 6 Gb/sHost to/from Drive (Sustained): 130 MB/sShock:Operating: 30Gs @ 2ms (read/write); 65Gs @ 2ms (read)Non-operating: 250Gs @ 2msAcoustics:Idle Mode: 23 dBASeek Mode: 24 dBA (average)Power Management:Read/Write: 4.4 WattsIdle: 4.1 WattsStandby: 0.6 WattsSleep: 0.6 WattsForm Factor: 3.5 inchDimensions (WxLxH): 4.000 x 5.787 x 1.028 inch / 101.6 x 147.0 x 26.1 mmWeight: 1.4 lbs / 0.64 kgRoHS Compliant From the Manufacturer 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

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

CompatibilityWorks 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