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WD SE WD4000F9YZ 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive

  • Optimal storage for NAS and scale-out architectures
  • Cost-effective
  • 24x7x365 reliability
  • 5-year limited warranty
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
IronEgg
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Learn more about the Western Digital WD4000F9YZ

Quick Info

Warranty

  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 5 years


Customer Reviews of the Western Digital WD4000F9YZ

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Showing 41 of 41 reviews - Clear Filters

  • Toby B.
  • 9/7/2014 6:47:35 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsGood balance of Price and Perf

This review is from: WD SE WD4000F9YZ 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive

Pros: Great to have 5yr Warranty, good capacity and reasonable performance

Cons: None

Other Thoughts: The Re is great but I'm not hammering the drive with a lot of storage request so this seemed better balance. the Red Pro seems like it's a bit quicker.

Did you find this review helpful? Yes No

  • Jean S.
  • 7/20/2014 1:51:23 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat Hard disks for NAS

This review is from: WD SE WD4000F9YZ 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive

Pros: Bought 5 of those for a QNAP TS-670 Pro. They look reliable, are fast (I made a RAID 10 setup with hot spare) and I cannot see any issue with those.

Cons: Not anymore used to hear disks spinning since I use SSD, but they aren't that bad :P

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  • Tom Y.
  • 7/8/2014 12:26:11 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNAS drive

This review is from: WD SE WD4000F9YZ 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive

Pros: for a DS412+ synology.
works perfectly no hiccups.
I never really understood the difference between the enterprise line and the regular line (really--but do understand the concept).

Cons: price

Did you find this review helpful? Yes No

  • Marc H.
  • 6/8/2014 11:57:25 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsHard Drive is Great, Newegg Isn't!

This review is from: WD SE WD4000F9YZ 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive

Pros: Has worked reliably from day 1.

Cons: None to speak of.

Other Thoughts: A great hard drive but I will buy all my electronics from other than Newegg in the future. Why? Because they won't advocate for their customers (I've been a regular for many years) if the manufacturer refuses to honor the manufacturer warranty. Clearly Newegg has some clout with their suppliers, but they won't intervene. So I'm left with a (different product, not this drive) $46 piece of worthless equipment because neither the manufacturer nor Newegg will help. Newegg even wrongly claims there's no manufacturer's warranty (I have the card to prove there IS). I highly recommend buying this drive ELSEWHERE!

3 out of 6 people found this review helpful. Did you? Yes No

  • Joseph M.
  • 5/9/2014 9:47:09 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat

This review is from: WD SE WD4000F9YZ 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive

Pros: Large capacity, good price, 6/6 arrived working perfectly,
NAS compatible

Cons: None

Other Thoughts: Seems that the shipping method Newegg uses with smaller numbers of drives is not working, my last order of 2 WD Red drives had 1 DOA, then the replacement was also DOA, and finally the third time got a second working one. However when I ordered 6 of these together a completely different method of packing was used and all 6 worked perfectly off the bat.

2 out of 3 people found this review helpful. Did you? Yes No

  • ARTHUR M.
  • 3/31/2014 11:23:00 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsstarted failing after 1 month of light use

This review is from: WD SE WD4000F9YZ 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive

Pros: 5 year warranty.

Cons: Failed only after a month of light use. Bad sectors galore = major quality control issues. If the drive is advertised as enterprise use, 24x7x365 reliability and rigorously tested etc., failures should be unacceptable within at least 2-3 years of use, even with a good warranty. It is the most important thing to have confidence in your storage media...I hope that this is just a bad batch.

I'd rather have a DOA drive than one that I stored important data then dies after a month of light use (with data lost). Oh, and DATA RECOVERY for a 4TB drive is SUPER EXPENSIVE, so that doesn't make things any easier.

Manufacturer Response:

Hello there, we are very sorry to hear that your drive did not function so soon after it was delivered. Our drives are rigorously tested to ensure they are in good working condition before they leave our warehouses. We understand your situation and will gladly replace your in-warranty drive, as we stand by our products and their associated warranties. Our goal is to provide world class customer service, and part of that goal in this situation would be to replace your drive, and investigate the root cause for the drive’s premature failure.

How to get an RMA (Return Merchandise Authorization) or replace a defective product under warranty
http://wdc.custhelp.com/app/answers/detail/a_id/8

For additional assistance, please contact us at (800) 275-4932, or via our support website at: http://support.wdc.com/rs

2 out of 3 people found this review helpful. Did you? Yes No

  • Marcos C.
  • 3/11/2014 12:36:00 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsYaY Storage

This review is from: WD SE WD4000F9YZ 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive

Pros: Everything I was looking for in a large capacity drive.
4 TB / 7200RPM / 64MB Cache / SATA3

Cons: None as of right now

Other Thoughts: I'm using this drive for storage on a desktop turned server. Running Windows Server 2012 R2 Essential.

I noticed people complain about the packaging. I'm not sure if Newegg addressed or what, but I thought the packaging was great. Came in a nifty durable bubble wrap hard drive casing thingy.

Did you find this review helpful? Yes No

  • Colin S.
  • 2/16/2014 6:57:11 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsPerfect

This review is from: WD SE WD4000F9YZ 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive

Pros: Have four of these drives in RAID 10 in a Synology DS412+. Great performance, loads of space, long 5yr warranty, made for NAS environments... have had zero problems.

Cons: None! It's not 5TB or 6TB for the same price? Not SSD speeds? What do you expect.

Did you find this review helpful? Yes No

  • Sanjay B.
  • 2/5/2014 11:54:55 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSolid Fast Dependabile

This review is from: WD SE WD4000F9YZ 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive

Pros: fast reliable, fast spin up good data read. no errors easy install. works exceptionally well. moved 3.8tb of video to drive and plays it flawlessly fast speed no hiccups, very pleased will be buying another

Cons: long time to perform a full format. left it start at beginning of weekend and only completed by sunday night

Other Thoughts: long warranty silent not too much heat production.

1 out of 1 people found this review helpful. Did you? Yes No

  • Ni N.
  • 1/31/2014 9:04:55 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsgood drive

This review is from: WD SE WD4000F9YZ 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive

Pros: good hard drive...I have 4 of these in my ds412+ and they work great

Cons: none

Other Thoughts: you can get this hard drive cheaper from superbiiz or tigedirect...forget newegg's ironegg garuntee

Did you find this review helpful? Yes No

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