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WD Red 3TB NAS Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD30EFRX

4.5 out of 5 stars 3,461 customer reviews
| 395 answered questions

Price: $109.00 & FREE Shipping. Details
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
3TB
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  • 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
136 new from $109.00 7 used from $90.00 4 refurbished from $79.98

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$109.00 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

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  • WD Red 3TB NAS Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD30EFRX
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This item: WD Red 3TB NAS Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD30EFRX
Customer Rating 4 out of 5 stars (3461) 4 out of 5 stars (511) 4 out of 5 stars (562) 4 out of 5 stars (104)
Price $109.00 $119.99 $104.99 $194.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com Amazon.com TheTechGroup
Hard Disk Size 3 TB 3 TB 3 TB 3 TB
Speed 5400 RPM 7200 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 Description

Size: 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

Product Information

Size:3TB

Technical Details

Collapse all
Summary : Screen Size, Screen Resolution, Graphics Coprocessor, Graphics Card RAM
Screen Size 4 inches
Hard Drive 3 TB
National Stock Number 7025-01-621-3953
Brand Name Western Digital
Item model number WD30EFRX
Hardware Platform PC, Mac
Item Weight 1.4 pounds
Product Dimensions 5.7 x 4 x 1 inches
Item Dimensions L x W x H 5.7 x 4 x 1.03 inches
Color Red
Processor Count 1
Computer Memory Type DDR3 SDRAM
Hard Drive Interface Serial ATA-600
Hard Drive Rotational Speed 5400 RPM

Technical Specification

Warranty [pdf ]

Additional Information

ASIN B008JJLW4M
Customer Reviews
4.5 out of 5 stars 3,461 customer reviews

4.5 out of 5 stars
Best Sellers Rank #7 in Computers & Accessories > Data Storage > Internal Hard Drives
Shipping Weight 1.8 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available July 11, 2012

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Product Warranty: For warranty information about this product, please click here [PDF ]

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From the Manufacturer

WD Red WD Red Pro
Application Up to 8-bay NAS systems Up to 16-bay NAS systems
Limited Warranty 3-year 5-year
RPM Class 5400 7200
Ideal For Personal Home & Small Office NAS Medium to Large Business NAS
Cache 16 MB and 64 MB 64 MB – 128 MB
Highest Available Capacity 6TB 6TB
Interface SATA 6 Gb/s SATA 6 Gb/s

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By Gary E. Peterson on August 20, 2012
Size: 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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Size: 6TB Verified Purchase
On Windows it comes out to 5.45TB. I transferred a little over 2TB to it and average write speed was 110MB/s. Right now it's just sitting on top of my computer case but after that long transfer I used a temp gun and the surface of the case was 87F and the drive was 101F.

UPDATE ****

I just purchased a second drive and did some testing on it while blank and uploaded the results under customer images to the right.
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Size: 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...
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Size: 3TB Verified Purchase
I am sorry but WD's warranty is a joke. Bought two brand new HDDs, one failed a few months after being in my RAID 1 NAS. Returned under warranty (had to pay for shipping) - got back a RECERTIFIED HDD. Which, of course, failed after 1 month and lost ALL data. Returned it again (had to pay for shipping) - again got a RECERTIFIED HDD which was simply DOA and could not start at all. So their "5 year warranty" is simply feeding you with faulty recertified HDDs until you run out of money for shipping them dead ones. Great idea, WD. Sorry, cannot trust you my data anymore. Going to your competitors.
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The manufacturer commented on the review below
Size: 3TB
For users who do not know about the "load count problem," here is an explanation and solution.
.
Since this hard drive's introduction, users have consistently reported premature failures and data corruption. These complaints were well warranted, for the manufacturer has shorten the life cycle of this computer component by design.
.
The source of the problem is Western Digital's attempt to make the device "more green" - use less electricity. One way to accomplish this goal is to park the heads on a plastic pad after eight seconds of no read/write requests instead of allowing them to float over the spinning platters of the hard drive. This adds up to 10,800 cycles each day. The numerous scrapings gradually wears out the heads. According to some literature, 250,000 to 1,250,000 cycles will result in damage that will lead to read/write errors. If you do the math, data corruption will begin within 23.148 to 115.741 days if you are employing the hard drive on a heavily used server. Regular consumers will not notice read/write problems until later. Some WD drives reported 3,000 to 5,000 cycles per day. At this rate, the first instances of data corruption will begin within 83.33 to 250 days.
.
From my experience, early data loss will not be noticed by the average user. There are no signs of trouble if work files are not accessed, edited, and save. With numerous usages, lost sectors on the hard drive appear and indexes become corrupted. Then, damages become apparent. During bootup, Windows OS will begin employing Check Disk (chkdsk/f) to repair errors. Chunks of bad information get deleted and corrupted indexes are re-corrected during the process. Eventually, 50%-to-60% drive gets wiped out before the user realizes the problem.
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The manufacturer commented on this review(What's this?)
December 1, 2015
Hey There Gene P. Louie,
We appreciate your time and input. The Red Pro drive is designed and intended for use in 1-16 Bay NAS enclosures with RAID. Please follow the links below for more information regarding to idle time and the S.M.A.R.T. attribute Load Counter along with our list of tested and supported enclosures.
"The S.M.A.R.T Attribute 193 Load/Unload counter keeps increasing on a SATA 2 hard drive": http://support.wdc.com/KnowledgeBase/answer.aspx?ID=5357
"WD Red Supported NAS enclosures": http://www.wdc.com/en/products/products.aspx?id=810

Please know the WD Red Pro includes firmware which directly addresses load cycles. The WD Red 3.5 and 2.5 inch models along with our RE family of drives support our idle3 software to increase idle time from 8 seconds to 5 minutes with Load/Unload Utility below.
"WD Red SMART load/Unload utility 3.5" Drive": http://support.wdc.com/product.aspx?ID=619&lang=en
"WD Red SMART load/Unload utility 2.5" Drive": http://support.wdc.com/product.aspx?ID=706&lang=en

We would appreciate you contact us directly by phone or Email below. Please mention this Amazon review as a point of reference so we can collect more information in order to fully address your concerns.

Need Help? Please follow the link below for further assistance or contact us at 1(855) 559-3733.
https://wdsupport.wdc.com/sfdc/case.aspx

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