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  • WD Red 3 TB NAS Hard Drive: 3.5 Inch, SATA III, 64 MB Cache - WD30EFRX
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WD Red 3 TB NAS Hard Drive: 3.5 Inch, SATA III, 64 MB Cache - WD30EFRX

| 81 answered questions

List Price: $199.99
Price: $109.99 & FREE Shipping. Details
You Save: $90.00 (45%)
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
3TB
  • Capacity: 3 TB
  • Rotational Speed (RPM): IntelliPower
  • 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.
  • Interface: SATA3
  • Data Transfer Rate: 6 Gb/s Buffer to Host (max); 145 MB/s Host to/from drive (typical)
  • Form Factor: 3.5 inch
  • Read/Write: 4.4 Watts
  • Standby: 0.6 Watt
64 new from $109.99 6 used from $89.00 2 refurbished from $117.99

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Frequently Bought Together

WD Red 3 TB NAS Hard Drive: 3.5 Inch, SATA III, 64 MB Cache - WD30EFRX + Synology DiskStation 2-Bay (Diskless) Network Attached Storage (DS213j)
Price for both: $319.31

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Size: 3TB
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Compare to Similar Items


This item: WD Red 3 TB NAS Hard Drive: 3.5 Inch, SATA III, 64 MB Cache - WD30EFRX
Customer Rating (1652) (1342) (59) (550)
Price $ 109.99 $ 144.99 $ 119.99 $ 144.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com Amazon.com Amazon.com
Hard Disk Size 3 TB 4 TB 3 TB 3 TB
Speed Information not Provided 5400 rpm 5900 rpm 7200 rpm
Form Factor 3.5 inch 3.5 inch 3.5 inch 3.5 inch
Hardware Interface sata 6 0 gb sata 6 0 gb sata 6 0 gb sata 6 0 gb
Cache Memory Installed 64 64 64 64
Add to Cart Add to Cart Add to Cart Add to Cart

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Product Details

Size: 3TB
  • Product Dimensions: 4 x 1 x 5.8 inches ; 1.4 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: B008JJLW4M
  • Item model number: WD30EFRX
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (1,652 customer reviews)
  • Amazon Best Sellers Rank:
  • Date first available at Amazon.com: July 11, 2012

Product Description

Size: 3TB

WD Red NAS Storage
NAS Hard Drive

The next generation of hard drives for home or small office network attached storage systems.

WD Red

Expanded solutions
Our formula of success has led growth of WD Red into higher capacities and expansion into new 2.5-inch solutions. We now offer a broader, more comprehensive portfolio of NAS hard drives for our customers. It is not just about NAS drives, it is REDvolutionary..

Next-generation experience
Every component, line of code, and product decision was built on our passion and determination to deliver the best NAS experience. The next generation of WD Red hard drives delivers on this promise with massive capacity and NASware 2.0, which further improves drive reliability and protects your data in the event of a power loss or disruption.

Experienced in NAS
With superior technology that is driven to impress, WD Red is a reflection of the most extensive NAS partner compatibility-testing list that is available on the market.* That means when you buy a NAS enclosure, you can trust that WD Red will be the most compatible drive available. Our pride is in our product and our vision is shared with our customers.

*Data reflects products in production as of August 2013.

WD Black Desktop
Product Features

Exclusive NASware 2.0 technology
Our exclusive technology, NASware 2.0, makes WD Red thrive in the demanding small-NAS environment. By adding WD Red to your NAS system, not only is everything more efficient and reliable, you can better protect your data investment.

3D Active Balance Plus
Our enhanced dual-plane balance control technology significantly improves the overall drive performance and reliability. Hard drives that are not properly balanced may cause excessive vibration and noise in a multi-drive system, reduce the hard drive life span, and degrade the performance over time. (EFRX models only)

The right choice
WD Red is designed specifically for home and small office NAS systems and PCs with RAID.

Enhanced reliability
Since your NAS system is always on, a highly reliable drive is essential. With a 35% MTBF improvement over standard drives, the WD Red drive with NASware 2.0 is designed for the 24x7 environment.

NAS compatibility
Advanced firmware technology built into every WD Red drive, NASware 2.0 enables seamless integration, robust data protection and optimal performance for systems operating in NAS and RAID environments.

The secret is the next-generation technology
WD's next-generation NASware 2.0 technology improves NAS storage performance by reducing common hard drive concerns in NAS systems including concerns for things like compatibility, integration, upgrade ability, reliability and cost of ownership that are experienced with a hard drive designed for desktop computers.

Energy efficient and money saving
We keep power consumption low which keeps your NAS system happy and your wallet, too.

Lower operating temperatures
Reduce your electricity bill with WD Red drives. Innovative technology reduces power consumption and lowers the operating temperature, resulting in a more reliable and affordable solution for always on NAS environments.

Need help? We offer premium support
Every WD Red hard drive comes with our world-class professional support services including a premium dedicated 24/7 support line (available in English, other regional support hours vary).**

**Support outside of normal business hours is available in English only Go to http://support.wd.com for further details.

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.

Recommended use
WD Red NAS hard drives are recommended for use in home and small office 1-5 bay NAS systems. For systems that use more than 5 bays or are rack mount solutions, please consider WD datacenter hard drives.***

***WD hard drives are designed and tested for use in specific applications and environments. This ensures that your hard drive is compatible with and functions properly in your application. Our hard drives are warranted against defects in materials and workmanship in the system for which they were designed. Use in systems other than for what the hard drive was designed could result in compatibility problems that affect proper function, unrelated to material and/or workmanship defects. For best results, be sure to select the appropriate product for your application by consulting our product spec sheets on our website at www.wd.com or by calling our customer support line where we would be happy to help you through the selection process.

Ideal for:
  • Small NAS environments 1 to 5 bay
  • RAID configurations

Features at a glance

  • Next-generation NAS experience with NASware 2.0 and up to a massive 4 TB capacity
  • Most extensive NAS partner compatibility-testing list available*
  • Expanded NAS solutions with 3.5-inch and 2.5-inch form factors
  • Improved drive reliability and data protection in the event of a power loss or disruption
  • Premium 24x7 support
You might also consider:


3.5-inch Internal
Comparison Chart

WD Blue

WD Green

WD Black

WD Red

WD Purple
Solid performance
and reliability for everyday computing.
Cool, quiet operation with massive capacity. Maximum performance
for power computing.
The right drive for home
or small office NAS.
Built for personal, home office or small business surveillance systems using up to 32 cameras.
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. Home / SOHO / SMB
Capacity range 80 GB – 1 TB 320 GB – 4 TB 500 GB – 4 TB 1 TB – 4 TB 1 TB – 4 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
Video Surveillance

Customer Reviews

These are great hard drives, with good performance and are very reliable (so far).
Robert Caputo
I have had it for a few weeks so far and I haven't had any problems installing it and so far has worked perfectly fine.
D. Lantgen
I have two of these drives in a RAID 0 configuration in a Synology NAS, and so far they've worked great.
Alan H Keefer

Most Helpful Customer Reviews

1,189 of 1,301 people found the following review helpful By Gary E. Peterson on August 20, 2012
Size Name: 3TB Verified Purchase
Here is a quote from a review at pcper.com

I'm going to let the cat out of the bag right here and now. Everyone's home RAID is likely an accident waiting to happen. If you're using regular consumer drives in a large array, there are some very simple (and likely) scenarios that can cause it to completely fail. I'm guilty of operating under this same false hope - I have an 8-drive array of 3TB WD Caviar Greens in a RAID-5. For those uninitiated, RAID-5 is where one drive worth of capacity is volunteered for use as parity data, which is distributed amongst all drives in the array. This trick allows for no data loss in the case where a single drive fails. The RAID controller can simply figure out the missing data by running the extra parity through the same formula that created it. This is called redundancy, but I propose that it's not.

Since I'm also guilty here with my huge array of Caviar Greens, let me also say that every few weeks I have a batch job that reads *all* data from that array. Why on earth would I need to occasionally and repeatedly read 21TB of data from something that should already be super reliable? Here's the failure scenario for what might happen to me if I didn't:
* Array starts off operating as normal, but drive 3 has a bad sector that cropped up a few months back. This has gone unnoticed because the bad sector was part of a rarely accessed file.
* During operation, drive 1 encounters a new bad sector.
* Since drive 1 is a consumer drive it goes into a retry loop, repeatedly attempting to read and correct the bad sector.
* The RAID controller exceeds its timeout threshold waiting on drive 1 and marks it offline.
* Array is now in degraded status with drive 1 marked as failed.
* User replaces drive 1.
Read more ›
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117 of 128 people found the following review helpful By T. Mccleary on November 29, 2012
Size Name: 3TB Verified Purchase
If you're looking at this review, you're probably in the market for some honkin' big drives to stuff into a server or a NAS box. These Western Digital "Red" series drives are probably a total waste of money if you're planning to put them into a regular PC. If you're not doing a raid array of some kind, then save your money and buy the green or black series drives instead. If you're looking to set up a raid array of some sort, these are a bargain. They aren't the fastest drives, but they are rated to run 24x7 serving up data! Their 3 year warranty is above the current industry standard for consumer hard drives.

For my home-made FreeNAS (google it!) NAS/Server, I bought 5 WD Red drives from Adorama (purchased through Amazon) and 1 drive directly from Amazon.

The one drive from Amazon came very well packaged, double boxed in what looks like a WD cardboard box with a shock absorbing cradle. Very well packaged for shipment. Honestly, Amazon has been stellar for packaging boxes for shipment.

The 5 hard drives from Adorama came in a big box which 'clunked' when it was tilted. Opening the box revealed some big plastic pillow air strips, and 5 loose smaller boxes. Inside each of the smaller boxes was a few pillows and a factory bagged hard drive. There were not enough pillows in each box to securely cushion the hard drives against rattling around, so there's a high likelihood of damage in shipment. BAD SHIPPERS! NO DONUT!

Anyway, getting on to the performance of the drives... I'm running 6 drives in a ZFS RaidZ2 array. They are all controlled using an IBM M1015 PCIE 8x SATA 3 controller which has been flashed to be an HBA providing JBOD to the ZFS OS. That's a lotta acronyms! The speed of the array is quite fast...
Read more ›
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59 of 64 people found the following review helpful By Ken on January 6, 2014
Size Name: 3TB Verified Purchase
So WD apparently has no ability to perform the most basic configuration management at their factories.

Once again the "load cycle count" issue has returned to their line of drives. If you don't know what this is you can Google, but basically the drive repeatedly parks the drive heads, thousands of times a day, because of an improper firmware setting on the drive. The drives are only rated to 600,000 load cycles and with them ticking of once every few seconds the drive will exceed its rating in less than a year.

This can be corrected by the user but it is a pain and requires you have certain hardware/software to do. Probably beyond most users. Exchanging the drive may or may not help because you have no idea if the next drive will have the same erroneous setting.

This has happened many times in the past few years, check the reviews for this and other WD drives. WD acknowledges this is the incorrect setting as do many NAS vendors that recommend these drives. And yet, WD can't seem to help itself from setting the IDLE3 parameter wrong every few months. This is a sign that they simply are unable to perform basic configuration management in their production facilities. If you can't manage that you don't belong in the HD business.

For reference, Google WDIDLE3 for how to fix this problem - but you better have a machine you can boot to a DOS image in order to use it. Alternatively return your WD drive and buy the equivalent Seagate drive instead. They have a nice NAS ready drive equivalent to the WD Red and they know how to set IDLE3 correctly.
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Most Recent Customer Reviews


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