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- By David_W @Feb 02, 2009
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.
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 - 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 Window 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.
IntelliPower - A fine-tuned balance of spin speed, transfer rate and caching algorithms designed to deliver both significant power savings and solid performance.
IntelliSeek - Calculates optimum seek speeds to lower power consumption, noise, and vibration. View demo>
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.
StableTrac™ - The motor shaft is secured at both ends to reduce system-induced vibration and stabilize platters for accurate tracking, during read and write operations. (2 TB models only)
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.
Specifications
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- by David_W @Feb 02, 2009
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
English
Height
1.028 Inches
Length
5.787 Inches
Width
4.00 Inches
Weight
1.61 Pounds
Metric
Height
26.1 mm
Length
147 mm
Width
101.6 mm
Weight
0.73 kg
Environmental Specifications
Shock
Operating Shock (Read)
65G, 2 ms
Non-operating Shock
300G, 2 ms
Acoustics
Idle Mode
25 dBA (average)
Seek Mode 0
29 dBA (average)
Seek Mode 3
26 dBA (average)
Vibration
Operating
Linear
20-300 Hz, .75G (0 to peak)
Random
10-300 Hz, 0.008 g² / Hz
Non-operating
Low Frequency
5-20 Hz, 0.195 inches (double amplitude)
High Frequency
20-500 Hz, 4.0G (0 to peak)
Electrical Specifications
Current Requirements
Power Dissipation
Read/Write
7.4 Watts
Idle
4.0 Watts
Standby
0.97 Watts
Sleep
0.97 Watts
As used for storage capacity, one megabyte (MB) = one million bytes, one gigabyte (GB) = one billion bytes, and one terabyte (TB) = one trillion bytes. Total accessible capacity varies depending on operating environment. As used for buffer or cache, one megabyte (MB) = 1,048,576 bytes. As used for transfer rate or interface, megabyte per second (MB/s) = one million bytes per second, megabit per second (Mb/s) = one million bits per second, and gigabit per second (Gb/s) = one billion bits per second.
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Messages about Western Digital WD20EADS Caviar Green 2TB SATA 32MB Cache 3.5IN Hard Drive OEM
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Reviews from the Web
Below are reviews found on other web sites for this product submitted by customers.
"...we're pretty impressed with the overall performance, lack of heat, and relatively quiet operation. The new WD20EADS is really terabytes for the masses: affordable, capacious, and efficient."
"Western Digital was the first vendor to release a 2 TB hard drive. The Caviar Green WD20EADS is the best solution if you need maximum capacity as well as maximum capacity per Watt."
Western Digital’s Caviar Green series represents drives that are quieter and that use far less power than their high performance counterparts. The high capacity of these drives also makes them ideal for devices that get turned on all day long like Network Attached Storage (NAS) devices or home theat
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Got 2 of thoses in my Unraid Array, works like a charm. Even if they are not the fastest at write speed, read-speed is perfect. 2 x 1080p stream at the same time over 1 gpbs
(Read More)
Got this at a pretty low price (with pricematch), and so far there's nothing to complain about, it works just great, after running extended test (more than 6 hours) in Western Digital Data LifeGuard Diagnostics no error was found. I'm using it in a Probox right now and everything's perfect. Two thumbs up !
(Read More)
- I bought the first one just over a month ago, primarily for backups. Namely, I have 2 WD Passport portable drives on which I store all my family photos and videos. So I wanted to have a dedicated drive for backups only. This fit the bill quite well. More than enough space for all the photos and videos now and in the future. The new camera I bought is 14 MP so all the files are rather large, and the same goes for HD videos.
(Read More)
If you need backup / bulk storage it's a great value, esp. when it's on sale. No issues so far, although it seems slower to get out of Green mode compared to the 1TB version of this same drive I have.
(Read More)
Using this as a weekly off-site backup drive. I had to buy this version instead of the EARS model because Acronis does not support "Advanced Format" just yet.
picked this up on sale for a storage drive to compliment my ssd drive. well worth the money. lol, no more storage issues for those HD files.
(Read More)
I bought this drive for my older computer that uses windows xp. The capacity size is great and was just what I was looking for in a drive. I used the Western Digital tool called WDIDLE3 to disable head parking to increase the lifespan. It was on sale here at Ncix so that made my choice even better. I did notice that it runs 5 to 10 degrees Celsius warmer than the equivalent EARS model, but other than that it runs great.
This review was modfied by poster @ 08-02-10 07:42 PM
(Read More)
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Product Warranty
First 30 days limited warranty through NCIX.com. The remainder of the two year warranty is provided directly by the manufacturer.
Warranty length may vary per specific model. Western Digital Raptor and Caviar RE series enterprise drives are covered by a 5 year warranty. Caviar and Caviar Blue & Green desktop drives are covered by a 2 year warranty for OEM drives, and a 1 year warranty for Retail.
Warranty coverage for drives is covered by NCIX for the first thirty (30) days with the remainder of the warranty covered by Western Digital.
Western Digital warranty policy by model:
http://support.wdc.com/warranty/policy.asp
Product
Product Designator
Component Drive1
Retail Kit
Enterprise Drives:
WD Raptor, WD RE, WD RE2, WD RE2-GP, WD RE3, WD RE4, WD RE4-GP, WD VelociRaptor, WD RE SAS
My Book Studio, My Passport Elite, My Passport Studio
WDH1Q, WDML, WDMT, WDMS
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My Book Mirror, My Book Pro, My Book Pro II, My Book World, My Book World II, My Book Studio II, My Book Home, My Book Office, My Book Elite, My Book Studio, My Book Studio LX, My Book Live
WD Elements SE, WD Elements, WD Elements Portable, My Book Essential, My Book Mac Edition, My Book Premium, My Book Premium ES, My Book Premium II, Dual-Option Media Center, Dual-Option Combo, Dual-Option USB, NetCenter, Lighted Combo, Extreme Lighted Combo, USB, Combo, FireWire
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Features
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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. 
Verified Owner
