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Western Digital Black WD6402AAEX 640GB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive

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  • 7200 RPM 64MB Cache
  • SATA 6.0Gb/s
  • Ideal for Servers
  • 5 years limited

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

As WD’s top-of-the-line 7200 RPM high-capacity desktop drive, the Caviar Black combines a high performance electronics architecture with a rock solid mechanical architecture to deliver the perfect storage solution for your fully-loaded PC or maxed out gaming machine. Cool drive operation, no-touch head technology, and leading-edge vibration protection ensure enhanced reliability and sustained data throughput.

  • newegg 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.
  • newegg High Performance Electronics Architecture The electronics architecture of WD Caviar Black 640GB SATA 6Gb/s drive employs dual processor - twice the processing power, and 64 MB colossal cache to maximize performance.
  • newegg IntelliSeek Technology WD’s IntelliSeek technology proactively calculates an optimum seek speed to eliminate hasty movement of the actuator, resulting in lower power consumption, noise and vibration.
  • newegg SATA 6Gb/s Interface SATA 6Gb/s (SATA Revision 3.0) provides twice the bus bandwidth of SATA 3Gb/s (SATA II) along with enhancements including a new Native Command Queuing (NCQ) and improved power management capabilities. SATA 6Gb/s uses the same connector as SATA 3Gb/s and is compatible with Microsoft Windows 7/Vista/XP/2000 and Mac OS X.

Learn more about the Western Digital WD6402AAEX

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy.
Ownership: more than 1 year
Verified Owner
5/ 5
5 years and strong

Pros: 2 owned, one since 2009 and one since 2010(still on warranty for a couple of months but it doesn't look like I will need to use it. Flawless. Raid speed is nice bud nowadays SSD is better. I do still use these drives in storage spaces. They keep on delivering.

Cons: I paid $69.99 on 11/14/2010 for a WD6402AAEX.
The 6401AAEX is currently out of stock.
I paid $74.99 on 07/18/2009 for a WD6401AALS.
The 6402AALS is currently $139.99.

Other Thoughts: After 6 years, the price is higher. Go figure. I would suggest SSD. Too small fo storage HDD.

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Ownership: more than 1 year
Verified Owner
5/ 5
4 years without a hitch

Pros: This hard drive is straightfoward. While not very large by today's standards I ran it from 2011 to 2015 without any complaints. Pretty soon I'll be wiping it and using it as additional storage, because it still works brilliantly.

Cons: The drive is small by today's standards.

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Ownership: more than 1 year
Verified Owner
5/ 5
best drive ever

Pros: For storage and application processing superior

Cons: None

Other Thoughts: Getting 450mb/s is impressive in this setup, taking 5 years ago

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Ownership: more than 1 year
Verified Owner
3/ 5
LOUD!!!

Pros: Best drive I was able to purchase for my price range 4 years ago and has been very reliable.

Cons: LOUD!!! I mean, REALLY LOUD!!! I can hear it across the room - that's how loud it it. It's been like that since day 1 and every hard drive test I've run on it over the years has passed with flying colors.

Other Thoughts: I'm assuming the noise just comes with the drive. My previous Seagate was no where near as noisy (actually, you could hardly hear it - and I'm using the same case). Overall, if you can put up with the noise it's been a respectable hard drive.

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Ownership: more than 1 year
Verified Owner
5/ 5
excellent hard drive!

Pros: I bought two of these to run in a raid 0 as my main system disk, a few years ago, and they are still running strong and fast.

Cons: none

Other Thoughts: Easily worth the money.

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Ownership: more than 1 year
Verified Owner
2/ 5
Worked for me

Pros: -Still works after 3+ years

Cons: -Loud (been asked if I was playing in a server room)
-Gets extremely hot

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Manufacturer Response:
Dear Customer, we apologize for any inconvenience. There are many variables that could amount to a drive emitting unusual sounds when powered on. To verify that there are no problems with your drive, we have our Data Lifeguard Diagnostics for Windows (WinDLG) utility, and Mac users can of course use Disk Utility and First Aid. For information on how to use the WinDLG utility, please view the information provided by the following link.

How to tell if the noise or sound the drive is making is normal
http://wdc.custhelp.com/app/answers/detail/a_id/568

How to test a drive for problems using Data Lifeguard Diagnostics for Windows
http://wdc.custhelp.com/app/answers/detail/a_id/940

How to test a drive for defects or problems on a Mac http://wdc.custhelp.com/app/answers/detail/a_id/866

If you have any other questions or doubts, please contact us at 1 (800) 275-4932, or via our support website at: http://support.wdc.com/rs/. Our World-Class Customer Service will gladly address any possible concerns you may have.
Ownership: more than 1 year
Verified Owner
3/ 5
Drive failed after 3 years

Pros: Did it's thing for 3 years till yesterday

Cons: Drive started failing after a fresh windows install. Well a few scans confirmed bad sectors. Luckily I saved any important information before it went downhill.

Other Thoughts: Drive worked proper for a decent time period, just goes to show that you get what you pay for... My eye is on a 1TB ssd.

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Ownership: more than 1 year
Verified Owner
4/ 5
Drive Failure

Pros: Fast, Quiet.

Cons: Drive Died after 14 months

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  • New : This means the product will ship as received by the manufacturer, sealed, with all advertised components, and with the manufacturer warranty.
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  • Used - Like New : This means that the product has been opened, possibly used but is in perfect condition with no signs of cosmetic or functional defect. Product may includes warranty, and accessories found with the original product. Product may or may not be in the original packaging. Returned items with minor packaging defects fall under this category.
  • Used - Very Good : This means that the product has been opened, may show slight signs of use and cosmetic blemish, and may be missing minor accessories, but remain in excellent condition. Product does not come with warranty unless stated otherwise in product description.
  • Used - Good : This means that the product has been used, may show clear signs of use and may be missing minor accessories, but remain in good condition. Product does not come with warranty unless stated otherwise in product description.
  • Used - Acceptable : This means that the product shows clear signs of use, cosmetic defect, and may be missing minor accessories and manual, but remain in working condition. Product does not come with warranty unless stated otherwise in product description. Functionality issues beyond signs of use should be disclosed in product description.
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