WD Green Desktop Hard Drives – Cool and quiet storage with massive capacity.

Cool and Quiet
WD GreenPower Technology yields lower operating temperatures for increased reliability and low acoustics perfect for ultra-quiet PCs and external drives.

Reduced Power Consumption
Best-in-class power management technology delivers significant power savings and solid performance.

Innovative Design
WD Green drives are innovatively designed and manufactured with lead-free, conflict-free and halogen-free materials to help ensure a sustainable future.

WD Green Product Features

Halogen free – In addition to being RoHS compliant, all WD Green drives are lead and halogen free, resulting in less pollutants getting into our environment.

Reduced rare earths dependency – WD’s next-generation WD Green hard drives are built using less rare earth minerals.

Conflict-free materials – As a leader in hard drive manufacturing, WD proudly guarantees our hard drives are built with 100% conflict-free raw materials.

IntelliSeek – Calculates optimum seek speeds to lower power consumption, noise and vibration.

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.

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.

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.

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.

Recommended use – WD Green hard drives are tested and recommended for use in PCs as secondary storage, external enclosures and other applications that require cool and quiet operation.*

*Desktop drives are not recommended for use in RAID environments, please consider using WD Red hard drives for home and small office 1-5 bay NAS systems and WD Se hard drives for rackmount and >5 bay NAS systems.

Ideal for: Systems that require cool and quiet operation Secondary drives in in PC’s Low noise, low heat and lower power consumption

Features at a Glance

4 TB capacity SATA 6 Gb/s interface Halogen free and conflict-free materials NoTouch Ramp Load technology Lower operating temperatures for increased reliability and low acoustics Reduced power consumption Premium 24×7 support
WD Green 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 – 4 TB 500 GB – 4 TB 1 TB – 4 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 Highest capacity Highest performance Photo/video editing Network Storage Systems

3 thoughts on “Western Digital 4 TB WD Green SATA III 5400 RPM 64 MB Cache Bulk/OEM Desktop Hard Drive WD40EZRX

  1. Bert Mull says:

    Works – disabled auto-park timer I bought 2-3TB drives for my Synology NAS . I’ve only had the drives on for one day but after reading about all the drives that fail after a few months it seems the problem is the head parking itself every 8 seconds if no disk activity. The only reason it does this is to try to save power. Each park results in a load/unload cycle. Most modern drives are rated around 600,000 cycles. Depending on how your system uses the drive, your drive should only have 10-200 cycles per day, but some these Western Digital drives are reporting 3000-5000 cycles per day. This will surpass the 600,000 cycle limit in a few months. You can get the cycles from S.M.A.R.T. or from third party software. Think of starting your car and turning if off every minute, 24 hours a day. Your starter would only last a month or so and then fail instead of lasting…

  2. Steve says:

    Great storage drive, but decreased speed I have tons of WD drives and they’ve been around for awhile (including two 2tb ‘green’ drives), so I decided to give this one a chance even with the half/half ratings it had.This drive is great! Popped it into my esata dock, turned it on, and windows disk management saw it instantly, as the full ~2.7tb. Initialized it, making sure to pick GPT, and then formatted it. Windows saw the whole partition, no fuss.To test the drive, I did a low level format, then a disk check. When both came back fine, I copied as many files as I could fit on the drive, and then did another disk check. Came back fine again, so I ran DiskMark to see what speeds I was getting. When the drive was almost full (~3gb free), I was averaging around 30-40MBps. after I reformatted and ran the test again, I averaged ~60MBps. Compare this to a smaller hard drive and you will see that this is considerably slower. (I just ran DiskMark on a full WD 500GB drive that’s about 5 years old, and it…

  3. OIObserver says:

    Great, cheap drive for a Raid Array or Solo Use I have a total of seven of these drives between 6 on a raid array on one PC and one as a data drive (non raid) in another PC.They are slower at RPM speed than some other drives, at 5400 RPM so if you are someone who “needs” a 7200 RPM drive then you do not need this.They are however the CHEAPEST, MOST RELIABLE CHEAP drive out there. Unlike some brands who will sell you a 5400rpm drive for this, or the various drawbacks from externals, this drive is inexpensive, not annoying in its “green” power management (or needing to have it shut off) and its fast, I get good speed in my 6gb/sec Sata3 port, and overall think its great that for this price, I get a drive with a 3 year warranty, reasonably fast transfer rates despite a lower RPM (RPM is not everything apparently) and its a Western Digital (and not lower on quality) for the price.Western Digital have been reliable drives for me, for many years. I have some going back as far as 8 years old and still…

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