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Western Digital Caviar Green WD20EADS Hard Drive - WD20EADS

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Product Overview

Available in capacities up to 2 TB, WD Caviar® Green™ SATA hard drives reduce power consumption by up to 40% and offer best-in-class acoustics and operating temperature. Based on WD's exclusive GreenPower™ technology, these drives are designed to deliver power savings as the primary attribute. As hard drive capacities increase, the power required to run those drives increases as well. WD Caviar Green drives make it possible for energy-conscious customers to build systems with higher capacities and the right balance of system performance, ensured reliability, and energy conservation. They are ideal for PCs, external storage and other devices that require lower power consumption and cool, quiet operation.

Reduced power consumption
WD has reduced power consumption by up to 40 percent compared to standard desktop drives with the combination of WD's IntelliSeek, NoTouch, and IntelliPower technologies.

Helps enable eco-friendly PCs
WD Caviar Green drives yield an average drive power savings of 4-5 watts over standard desktop drives making it possible for our energy-conscious customers to build systems with higher capacities and the right balance of system performance, ensured reliability, and energy conservation.

Cool and quiet
WD GreenPower Technology yields lower operating temperatures for increased reliability and low acoustics for ultra-quiet PCs and external drives.

Massive capacity
Capacities up to 2 TB offer the most available capacity for storage-intensive programs and space-hungry operating systems, like Windows Vista®, with plenty of room left over for photos, music, and video.

Perfect for external drives
External drive manufacturers can eliminate the need for a fan in a high-capacity product with a WD Caviar Green drive, the coolest and quietest in its class.

A fine-tuned balance of spin speed, transfer rate and caching algorithms designed to deliver both significant power savings and solid performance.

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.

Perpendicular Magnetic Recording (PMR)
Employs PMR technology to achieve even greater areal density.

The motor shaft is secured at both ends to reduce system-induced vibration and stabilize platters for accurate tracking, during read and write operations.

Low power spin-up
WD Caviar Green drives consume less current during startup allowing lower peak loads.

Advanced power technology
Electronic components deliver best-in-class low power consumption for reduced power requirements and increased reliability.

Ideal For:
Environmentally friendly PCs and external storage requiring lower power consumption and cool, quiet operation.


Manufacturer Western Digital
Mfg Part# WD20EADS
SKU 210673283
UPC 718037734521
UPC 14 00718037734521
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Hard Drive Interface 1 x 7-pin Serial ATA/300 Serial ATA
Manufacturer Western Digital Corporation
Product Type Hard Drive
Package Type Bulk
Product Model WD20EADS
Manufacturer Part Number WD20EADS
Product Line Caviar Green
Product Name Caviar Green WD20EADS Hard Drive
Manufacturer Website Address
Weight 1.61 lb
Height 1.03"
Compatible Drive Bay Width 3.5"
Width 4"
Form Factor Internal
Depth 5.79"
Storage Capacity 2 TB
Tech Specs
Performance Specifications
Transfer Rates: Buffer To Host (Serial ATA) 3 Gb/s (Max)
Physical Specifications
Formatted Capacity 2,000,398 MB
Capacity 2 TB
Interface SATA 3 Gb/s
User Sectors Per Drive 3,907,029,168
Physical Dimensions
Height: 1.028 Inches
Length: 5.787 Inches
Width: 4.00 Inches
Weight: 1.61 Pounds
Environmental Specifications
Operating Shock (Read): 65G, 2 ms
Non-operating Shock: 300G, 2 ms
Idle Mode: 25 dBA (average)
Seek Mode 0: 29 dBA (average)
Seek Mode 3: 26 dBA (average)
Operating Linear: 20-300 Hz, .75G (0 to peak)
Operating Random: 10-300 Hz, 0.008 g² / Hz
Non-operating Low Frequency: 5-20 Hz, 0.195 inches (double amplitude)
Non-operating High Frequency: 20-500 Hz, 4.0G (0 to peak)
Electrical Specifications
Read/Write: 6.00 Watts
Idle: 3.7 Watts
Standby: 0.80 Watts
Sleep: 0.80 Watts
Product Attributes
Form Factor Internal
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