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WD20EARS vs. WD20EURS

post #1 of 10
Thread Starter 
What are the main differences between the two drives?

One is a 2.0TB Caviar Green, the other is a 2.0TB AV-GP, which is A/V Green Power.

They both spin slowly, make little noise and consume little electricity.

So what's the diff?

EDIT: Changed WD20EVDS to EURS to match the EARS' 64MB cache.
Edited by Volvo - 11/27/10 at 9:00pm
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erin.
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post #2 of 10
The A/V drives ignore errors, the normal drives will do an error recovery to attempt to get back any data from the platter.

When recording video (security cameras etc) you want an A/V drive that will just record whatever you throw at it, and keep going even if it misses a byte or two. An error in a couple of bytes just causes a minor blip in the video stream, but the rest won't stop. On a normal drive it could go into an error recovery mode and stop recording for 10-30 seconds - and this is much worse for security.

However if you store documents, a single byte error could corrupt megabytes or even gigabytes of important data.

Which you choose depends on your purpose...
post #3 of 10
Thread Starter 
Enlightened.

Thanks much, +REP.

My purpose would be to store data and my many hours of videos so this is the right choice. Thanks!
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erin.
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RAMHard DriveHard DriveOptical Drive
2x 2GB Crucial Value RAM 1333MHz Transcend SSD340 128GB Western Digital Scorpio Blue WD5000BEVT Samsung SH-223C DVD-RW DL 
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post #4 of 10
hah, I tried to explain this to a guy over on [H]ardforum and he wouldn't have it at all. As far as he is concerned, there's no difference between the two types of drives...
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post #5 of 10
Thread Starter 
Must be the way the drive ware is coded.
erin.
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rachel.
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anne.
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CPUMotherboardGraphicsRAM
Intel Core i5 3470 @ 3.0GHz/HT ASRock Z77 Extreme4 M AMD Radeon HD 7970 3GD5 (Reference) @ 1000/1400 4x 4GB Kingston HyperX blu. 1600MHz 
Hard DriveHard DriveHard DriveOptical Drive
Plextor M5S 128GB 3x Western Digital Caviar Black WD5001AALS 3x Western Digital Caviar Green WD20EARX LiteON iHAS324 DVD-RW DL 
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Antec Kühler H2O 920 w/ AVC DS12025B12U Windows 7 Home Premium x64 Dell Ultrasharp U2311H BenQ X-Touch A122 
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FSP Group Inc. Aurum Series AU-700 Fractal Designs Define Mini CoolerMaster Storm SPAWN SteelSeries QcK Mini Dota 2 
AudioAudio
HiVi Swans H2S 2.0 HiVi Swans H6 Sub 
CPUMotherboardGraphicsRAM
AMD Phenom II X2 550 Black Edition @ 3.0GHz Biostar TA890GXE AMD Radeon HD 6950 2GD5 (Reference) @ 900/1300 2x 4GB Crucial Value RAM 1333MHz 
RAMHard DriveHard DriveOptical Drive
2x 2GB Crucial Value RAM 1333MHz Transcend SSD340 128GB Western Digital Scorpio Blue WD5000BEVT Samsung SH-223C DVD-RW DL 
CoolingOSMonitorKeyboard
CoolerMaster GeminII M4 w/ Nidec GentleTyphoon ... Windows 7 Home Premium x64 LG 42LB582T Logitech mk270 
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LITEON PS6451-5AE Jonsbo G3 Logitech G300/Logitech mk270 Creative GigaWorks T3 
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Intel Advanced-N 6205 
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2x KVR1333D3N9/2G Plextor M5S 128GB Western Digital Caviar GreenPower WD5000AACS LiteON iHAS324 DVD-RW DL 
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Corsair Hydro Series H50 w/ AVC DS12025B12U Windows 7 Home Premium x64 Dell Ultrasharp U2211H Dell QuietKey USB 
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erin.
(18 items)
 
rachel.
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anne.
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CPUMotherboardGraphicsRAM
Intel Core i5 3470 @ 3.0GHz/HT ASRock Z77 Extreme4 M AMD Radeon HD 7970 3GD5 (Reference) @ 1000/1400 4x 4GB Kingston HyperX blu. 1600MHz 
Hard DriveHard DriveHard DriveOptical Drive
Plextor M5S 128GB 3x Western Digital Caviar Black WD5001AALS 3x Western Digital Caviar Green WD20EARX LiteON iHAS324 DVD-RW DL 
CoolingOSMonitorKeyboard
Antec Kühler H2O 920 w/ AVC DS12025B12U Windows 7 Home Premium x64 Dell Ultrasharp U2311H BenQ X-Touch A122 
PowerCaseMouseMouse Pad
FSP Group Inc. Aurum Series AU-700 Fractal Designs Define Mini CoolerMaster Storm SPAWN SteelSeries QcK Mini Dota 2 
AudioAudio
HiVi Swans H2S 2.0 HiVi Swans H6 Sub 
CPUMotherboardGraphicsRAM
AMD Phenom II X2 550 Black Edition @ 3.0GHz Biostar TA890GXE AMD Radeon HD 6950 2GD5 (Reference) @ 900/1300 2x 4GB Crucial Value RAM 1333MHz 
RAMHard DriveHard DriveOptical Drive
2x 2GB Crucial Value RAM 1333MHz Transcend SSD340 128GB Western Digital Scorpio Blue WD5000BEVT Samsung SH-223C DVD-RW DL 
CoolingOSMonitorKeyboard
CoolerMaster GeminII M4 w/ Nidec GentleTyphoon ... Windows 7 Home Premium x64 LG 42LB582T Logitech mk270 
PowerCaseMouseAudio
LITEON PS6451-5AE Jonsbo G3 Logitech G300/Logitech mk270 Creative GigaWorks T3 
Other
Intel Advanced-N 6205 
CPUMotherboardGraphicsRAM
Intel Core™ i3 2100 @ 3.0GHz/HT ASRock Z68 Pro3 M AMD Radeon HD 6950 2GD5 (Reference) @ 900/1300 2x KVR1333D3N9/4G 
RAMHard DriveHard DriveOptical Drive
2x KVR1333D3N9/2G Plextor M5S 128GB Western Digital Caviar GreenPower WD5000AACS LiteON iHAS324 DVD-RW DL 
CoolingOSMonitorKeyboard
Corsair Hydro Series H50 w/ AVC DS12025B12U Windows 7 Home Premium x64 Dell Ultrasharp U2211H Dell QuietKey USB 
PowerCaseMouseMouse Pad
FSP Group Inc. Aurum Series 400W CoolerMaster Elite 341 CoolerMaster Storm SPAWN SteelSeries QcK Mini Diablo 3 
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post #6 of 10
I don't think there is such a thing has a WD HDD w/ U as a character..there is EADS and EARS, but not EURS
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post #7 of 10
2 seconds on Google would tell you otherwise...

WD20EURS.
post #8 of 10
Then they haven't updated their sheet about the product numbers.
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post #9 of 10
Quote:
Originally Posted by parityboy View Post
hah, I tried to explain this to a guy over on [H]ardforum and he wouldn't have it at all. As far as he is concerned, there's no difference between the two types of drives...
physically I don't think there is much difference (and this is all but confirmed by the pricing, as they are pretty much the same price as their standard desktop equivalents).

The drives are effectively the standard units with TLER set to 0 - ie the controller will give up trying to correct an error instantly, unlike a RAID edition drive that will try for ~7 seconds or a standard drive that will try for upwards of 30 seconds in some cases. I doubt they are binned any differently to the standard drives either.
post #10 of 10
It says it's model
WD5000AVVS
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