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  • WD Black 4 TB Desktop Hard Drive: 3.5 Inch, 7200 RPM, SATA III, 64 MB Cache, 5 Year Warranty - WD4001FAEX
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WD Black 4 TB Desktop Hard Drive: 3.5 Inch, 7200 RPM, SATA III, 64 MB Cache, 5 Year Warranty - WD4001FAEX

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List Price: $349.99
Price: $283.72 + $5.49 shipping
You Save: $66.27 (19%)
Only 1 left in stock.
Ships from and sold by FastMarketPro.
4 TB
  • WD Black high performance 3.5-Inch SATA hard drives combine 7200 RPM spin speed, 64 MB cache, and SATA 6 Gb/s interface for the ultimate in power computing.
  • High performance electronics architecture features dual processors and bigger, faster caches for maximum read and write speeds.
  • 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.
  • 4 TB capacity holds up to 800,000 digital photos, 1,000,000 MP3 files, and 300 hours of HD video.
  • 5 year limited warranty.
  • Microsoft operating systems prior to Vista, 32-bit operating systems, and Mac systems prior to OSX 10.4 may not support volumes greater than 2TB. To recognize the full capacity of this drive, you may need multiple partitions. Check with the manufacturer to verify your system's compatibility.
13 new from $267.53 6 used from $187.57 1 refurbished from $219.00

Frequently Bought Together

WD Black 4 TB Desktop Hard Drive: 3.5 Inch, 7200 RPM, SATA III, 64 MB Cache, 5 Year Warranty - WD4001FAEX + Intel Core i7-4770K Quad-Core Desktop Processor (3.5 GHz,  8 MB Cache, Intel HD graphics, BX80646I74770K) + Samsung Electronics 840 EVO-Series 250GB 2.5-Inch SATA III Single Unit Version Internal Solid State Drive MZ-7TE250BW
Price for all three: $732.70

These items are shipped from and sold by different sellers.

Buy the selected items together

Special Offers and Product Promotions

Capacity: 4 TB
  • Buy Used and Save: Buy a Used "WD Black 4 TB Desktop Hard Drive: 3.5 Inch, 7200 R..." and save 46% off the $349.99 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.
  • Six-Month Financing: For a limited time, purchase $149 or more using the Amazon.com Store Card and pay no interest for 6 months on your entire order if paid in full in 6 months. Interest will be charged to your account from the purchase date if the promotional balance is not paid in full within 6 months. Minimum monthly payments required. Subject to credit approval. 1-Click and phone orders do not apply. See complete details and restrictions.

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Customer Rating 4.4 out of 5 stars   (1,360) 4.5 out of 5 stars   (284) 4.3 out of 5 stars   (949) 4.5 out of 5 stars   (1,255)
Price $283.72$234.03$149.00$174.99
Shipping $5.49FREE ShippingFREE ShippingFREE Shipping
Sold By FastMarketProAmazon.comAmazon.comAmazon.com
Capacity 4 TB 4 TB 4 TB 4 TB
Speed 7200 RPM 7200 RPM 5400.0 RPM 5400.0 RPM
Form Factor 3.5 inches 3.5 inches 3.5 inches 3.5 inches
Interface SATA 6.0 Gb/s SATA 6.0 Gb/s SATA 6.0 Gb/s SATA 6.0 Gb/s
Cache 64 64 64 64
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Technical Details

Capacity: 4 TB
  • Hard Drive: 4 TB 7200 rpm Serial ATA-600
  See more technical details

Product Details

Capacity: 4 TB
  • Product Dimensions: 5.8 x 4 x 1 inches ; 1.6 pounds
  • Shipping Weight: 1.6 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B00A2IM76K
  • Item model number: WD4001FAEX
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (1,360 customer reviews)
  • Date first available at Amazon.com: November 20, 2012

Product Description

Capacity: 4 TB

WD Black Desktop Hard Drives – Maximum performance for power computing.
Maximum performance.
Sophisticated performance enhancing features deliver the speed you need for demanding applications like photo and video editing and Internet gaming.
Maximum Performance
No compromises.
High performance, high capacity, high reliability, and cutting-edge technology make up WD Black, the ideal drive for those who demand only the best.
No compromises
High capacity.
State-of-the-art technology delivers a balance of high performance and high capacity perfect for data-intensive workloads that require large amounts of storage such as video editing, 3D rendering and scientific modeling.
High Capacity
WD Black
Product Features

High-performance electronics - WD Black drives feature a dual processor and bigger, faster dynamic cache for maximum read and write speeds.

Dual processor - Twice the processing power to maximize performance.

Dynamic Cache - WD's dynamic caching algorithm improves performance in real time by optimizing cache allocation between reads and writes. For example, if there's an overwhelming percentage of read traffic as opposed to write traffic, the drive automatically allocates more cache for read data, which reduces congestion and improves overall drive performance.

Rock-solid mechanical architecture - Enhanced reliability features help protect the drive and the data stored on it.

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.

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 which enables consistently higher performance. (2 TB and 1.5 TB models only)

Tested for compatibility - We perform tests on hundreds of systems and a multitude of platforms in our FIT Lab to give our customers confidence that our drives will work in their systems.

The WD advantage - WD puts our products through extensive Functional Integrity Testing (F.I.T.) prior to any product launch. On average, each new product goes through 600,000 hours of testing. WD also has a detailed Knowledge Base with more than 1,000 helpful articles. You can also call toll-free support 7 days per week in the U.S. and Canada. See the WD Support site for full details.

Upgrading your drive is easy - WD Acronis TrueImage, available as a free download on the WD Support site, enables you to copy all your data to a new drive so you don't have to reinstall your operating system to get all the benefits of a new drive.

WD Certified

WD-certified packaging - All WD drives purchased from Amazon.com are shipped in WD-certified hard drive packaging. It is designed and fully tested to provide WD products with the highest of safety while in transit. With WD-certified packaging, you can rest assured that your WD hard drive will arrive safely, fully protected, in a non-descript, easy-open package.

Works with Windows 7/Vista/XP/2000, Mac and Linux operating systems.

Recommended use - WD Black hard drives are tested and recommended for use in PCs, high-performance workstations and notebook computers.*

*Business critical RAID environments – Please consider WD Red NAS Hard Drives for all multi-bay consumer NAS environments with 1-5 bay chassis. For business critical RAID applications, please consider WD's enterprise hard drives that are specifically designed with RAID-specific, time-limited error recovery (TLER), are tested extensively in 24x7 RAID applications, and include features like enhanced RAFF technology and thermal extended burn-in testing. WD Black hard drives are not recommended for and are not warranted for use in RAID environments utilizing Enterprise HBAs and/or expanders and in multi-bay chassis, as they are not designed for, nor tested in, these specific types of RAID applications.

Ideal for:
  • Power computing applications such as intensive photo or video editing
  • Maxed out gaming systems
  • Adding lots of storage in desktop PCs
  • Adding extra storage space for photos, videos and music

Features at a glance

  • Industry-leading performance
  • 500 GB - 4 TB capacity
  • SATA 6 Gb/s interface
  • 7200 RPM
  • Dual processor technology

WD Black Desktop
You might also consider:

3.5-inch Internal
Comparison Chart

WD Blue

WD Green

WD Black

WD Red

WD VelociRaptor
Solid performance
and reliability for everyday computing.
Cool, quiet operation
for efficient eco-conscious computing.
Maximum performance
for power computing.
The right drive for home
or small office NAS.
High-performance storage for power users.
Ideal for Family and business computing. Desktop PCs, secondary storage and external drives. Photo and video editing, and maxed out gaming systems. Specifically designed and tested for small office and home office, 1-5 bay NAS systems. Performance enthusiast systems and workstations.
Capacity range 80 GB – 1 TB 320 GB – 3 TB 500 GB – 4 TB 1 TB – 3 TB 250 GB – 1 TB
Interface SATA 6 Gb/s
PATA 100 MB/s
SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s SATA 6 Gb/s
Form factor 3.5-inch 3.5-inch 3.5-inch 3.5-inch 3.5-inch
Cache 8 MB – 64 MB 64 MB 32 MB – 64 MB 64 MB 64 MB
Limited warranty 2-year 2-year 5-year 3-year 5-year
Highest capacity
Highest performance
Photo/video editing
Network Storage Systems

Customer Questions & Answers

Customer Reviews

It was a fast install and it works great.
Phillip E Cyr
Unlike some users I can't hear any drive noise - but perhaps that's because my computer has noisy fans.
Jason Mcvetta
What I will say is that getting service and returns is more painless than with most.

Most Helpful Customer Reviews

447 of 469 people found the following review helpful By pluto1999 on March 7, 2010
Size Name: 1 TB Verified Purchase
First, this is a state of the art, newly introduced drive from WDC. In my opinion it is the best general-use drive you can get at this price point.

Prior to my purchase, I read several negative reviews from prior customers who voiced dissatisfaction with Amazon's packaging of OEM drives. Any chance of damage in shipping would indeed be reason to shop elsewhere for such a sensitive item, but on one such page of ranting and frustration I saw a note from Amazon that they had recently addressed these concerns, so I proceeded to order the drive.

Here's the latest and I hope final word on this issue: Problem solved. The drive arrives sealed in an anti-static bag, secured by two end-mounted shock absorbing plastic caddies, then double-boxed with the usual sealed air padding. The redundant packing system appears to be well-designed and the drive has been working like a champ.

So buy with confidence and kudos to Amazon for responding to customer reviews and ensuring appropriate, safe packaging for this product.
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227 of 259 people found the following review helpful By A. D. Minton on July 15, 2010
Size Name: 1 TB
I've been using Western Digital hard drives since getting into computers in 1998. In fact I've never owned anything but WD hard drives (from 4.3gig to 1TB). In all my years of using them I've only had 2 go bad, though they never "completely" failed. This speaks of Western Digital's consistency in reliability.

With that said I love the Caviar Blacks and have 3 of them in my system - 500, 750, and now the new 1TB SATA 3 (64Meg cache).

While there is a noticeable speed gain over my previous 1TB Caviar Black (32Meg), the previous version was/is extremely quiet! This new SATA 3 drive is LOUD! It sounds like a percolating coffee pot at its highest boiling point, especially during boot-up or accessing files. Very annoying, especially if it's the noisiest part of your system!

I just put an i7 system in a Cooler Master HAF X case which has 4 fans - 1 Front bottom 230mm 700RPM 19dBA (Red LED), 1 Top 200mm 7000RPM 19dBA, 1 Rear 140mm 1200RPM 19dBA. My Noctua CPU cooler fan tops out at 1200RPM load at 19dBA as well. At idle my ATI 4890 video card fan runs around 27 percent, making it in-audible above the other fans.

My point.... My case is extremely quiet.... Save for WD's new Caviar Black SATA 3 HD!!! Because of this I'm seriously considering going back to my previous 1TB 32meg cache Caviar Black HD.

BTW this is a replacement drive as I thought the first drive was faulty due to the same noise. With that I called Western Digital about this issue.... and to make a long story short, they say this is normal and that drive wasn't designed with noise in mind, that if you want a "quieter" drive, get the Caviar Blue.

Make of that what you will....
Read more ›
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58 of 64 people found the following review helpful By Peachbulb on February 22, 2013
Size Name: 4 TB Vine Customer Review of Free Product ( What's this? )
I'm tentatively giving this 4 stars for the reasons below, but the real test of a hard drive is the test of time. I will update this review if problems arise.

Without being able to test its durability, there's not much you can say about a particular hard drive other than it works and it performs to it's specifications on the tests I did. It maxes out the transfer rates of my other drives (~55 MB/sec). If you want to run more thorough and sophisticated synthetic benchmark tests, you can find those tests on tech review websites; I'm having difficulty inserting the specific links into the review.


If you want a consumer-grade 4 TB hard drive, your choices are pretty limited at the moment (Feb 2013). You've got this WD Caviar Black 4TB, the Hitachi Deskstar 7K4000, and the Seagate Desktop HDD 4TB. If you need 24x7 operation, then rule out the Seagate, since it's not rated for this.


In terms of current Amazon price (Feb 22, 2013), the Seagate is the cheapest (210) by quite a bit. The WD is in the middle (310), and the Hitachi is the highest but not by much (318 sold through a third party).

Performance-wise, on average the Seagate is slowest, as expected given it's a 5900 rpm drive and the others are 7200 rpm. The WD is in the middle, and the Hitachi is fastest. Under both low and high load, the Hitachi outperforms the WD by quite a bit.

On warranty, the Seagate is worst at 2 years, the Hitachi in the middle at 3 years, and the WD best at 5 years.


If you're highly concerned about price and plan to use this for non-performance PC or external USB enclosure, go for the Seagate.
Read more ›
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119 of 140 people found the following review helpful By Chris H. on August 11, 2010
Size Name: 1 TB Verified Purchase
I bought this drive to store pictures, music and files on as replacement for an older WD drive that failed. I went with the Black series for it's speed and reliability. Amazon's packaging was fine (see pics that I added to product above) and installation, initialization and formatting went without a hitch. The drive performed very well; was fast and pretty quiet (especialy compared to the OEM WD Blue drive in my PC). I did notice that the drive would get rather warm when I still had the computer case open but, I have three fans spinning in there so didn't think much of it. Six weeks later, I received a "drive not accessible" error and after running the WD Data LifeGuard diagnostics, determined that the drive had multiple bad sectors and failed the SMART test. I tried to recover the sectors but, it wouldn't work. A call to WD tech support confirmed that it was toast and they sent me out a replacement. The interesting part was that the replacement was shipped in nothing more than a small corrugate box with just the drive and the plastic end caps inside. The new drive has been in for two days now and so far it's OK. I gave this 3 stars for failing after 6 weeks but, still think it's a good drive for the money and believe that I had some bad luck. If I write back in 6 weeks with another failed drive, I wont be so charitable.
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