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2 Year Data Recovery Plan

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3.9 out of 5 stars (53)
  • If your drive stops working, the Rescue data recovery plan will recover the data from the failed drive If your drive stops working, the Rescue data recovery plan will recover the data from the failed drive and return it to you on a new piece of external storage
  • Covers new single-disk bare (internal) drives of any brand when purchased within 30 days (receipt must be retained for purchases not on the same transaction). Not eligible on enterprise class or multi-drive devices
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  • If your data isn't recovered, you get your money back
  • If you purchase this service plan and eligible product for this service plan, you acknowledge that Amazon may send the service plan seller relevant product and price information for the purpose of administering the plan
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2-Year PC Peripherals Plan

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HGST Deskstar NAS 3.5-Inch 4TB 7200RPM SATA III 64MB Cache Internal Hard Drive Kit (0S03664)

4.4 out of 5 stars 441 customer reviews
| 51 answered questions
List Price: $289.99
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4TB
  • Enter your model number above to make sure this fits.
  • 7200 RPM performance
  • Up to 4TB capacity
  • 1 million hours MTBF
  • 6Gb/s SATA interface
  • No additional hardware required
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Frequently Bought Together

  • HGST Deskstar NAS 3.5-Inch 4TB 7200RPM SATA III 64MB Cache Internal Hard Drive Kit (0S03664)
  • +
  • Intel Boxed Core I7-6700K 4.00 GHz 8M Processor Cache 4 LGA 1151 BX80662I76700K
  • +
  • Samsung 850 EVO 500GB 2.5-Inch SATA III Internal SSD (MZ-75E500B/AM)
Total price: $674.98
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Compare to Similar Items


This item: HGST Deskstar NAS 3.5-Inch 4TB 7200RPM SATA III 64MB Cache Internal Hard Drive Kit (0S03664)
Customer Rating 4 out of 5 stars (441) 4 out of 5 stars (3176) 4 out of 5 stars (488) 4 out of 5 stars (6566)
Price $166.50 $149.99 $129.99 $114.96
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By DealsPro1 Amazon.com Amazon.com Amazon.com
Hard Disk Size 4 TB 4 TB 4 TB 4 TB
Speed 7200 RPM 5400 RPM 5900 RPM 5900 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
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Product Information

Capacity:4TB

Technical Details

Collapse all
Summary : Screen Size, Screen Resolution, Graphics Coprocessor, Graphics Card RAM
Hard Drive 4 TB
Other Technical Details
Brand Name HGST, a Western Digital Company
Item model number 0S03664
Item Weight 3.2 ounces
Product Dimensions 3.9 x 5.7 x 1 inches
Item Dimensions L x W x H 3.9 x 5.7 x 1 inches
Hard Drive Interface Serial ATA-600
Hard Drive Rotational Speed 7200 RPM

Technical Specification

User Manual [pdf ]
Warranty [pdf ]

Additional Information

ASIN B00HHAJRU0
Customer Reviews
4.4 out of 5 stars 441 customer reviews

4.4 out of 5 stars
Best Sellers Rank #45 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 December 20, 2013

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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Customer Reviews

Top Customer Reviews

5.0 out of 5 starsHighly reliable
By JimH on March 16, 2014
Size: 3TB Verified Purchase
As an IT engineer I've long been impressed with the durability of Hitachi drives. I currently have several 3 TB Hitachi drives running in my NAS. They have run 24/7 for more that four years without a single fault of any kind, as determined by S.M.A.R.T. data which I download every two months. In a Backblaze (cloud storage provider) blog they compare their experience with about 30,000 hard drives. Their Hitachi drives substantially out last others, especially Seagate and Western Digital.
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5.0 out of 5 starsBlazing fast. Objectively the most reliable.
By Airwolf on February 15, 2015
Size: 4TB Verified Purchase
I bought this drive after I started getting S.M.A.R.T. errors on my Seagate 2TB 7200.14 drive. According to a popular blog post on Backblaze, they have charted the failure rates of 39,696 drives as of December 31, 2014. HGST drives are by far the most reliable. I am not allowed to link to the article but it is titled "What is the Best Hard Drive?" It is easy to find.

After hooking this drive up to my computer, I formatted it in Windows 7 and ran a sequential read/write test with CrystalDiskMark 3.0.3 x64. Both read and write speeds were about 170 MB/s, which is the fastest I have ever seen from a rotating disk that I have owned. After transferring about 1.5TB of files to the drive and defragmenting it, the speeds slowed down to about 150 MB/s read and write.

System specs:

Intel Core i7-4790k
16GB RAM
Asus Z97 Extreme4 Motherboard
Intel 520 Series SSD w/ Windows 7 x64 Ultimate
HGST 4TB drive connected to Intel Z97 chipset SATA III 6 Gb/s port

-----------------------------------------------------------------------
CrystalDiskMark 3.0.3 x64 (C) 2007-2013 hiyohiyo
-----------------------------------------------------------------------
* MB/s = 1,000,000 byte/s [SATA/300 = 300,000,000 byte/s]

Sequential Read : 153.458 MB/s
Sequential Write : 151.070 MB/s
Random Read 512KB : 57.670 MB/s
Random Write 512KB : 77.685 MB/s
Random Read 4KB (QD=1) : 0.760 MB/s [ 185.6 IOPS]
Random Write 4KB (QD=1) : 1.782 MB/s [ 435.2 IOPS]
Random Read 4KB (QD=32) : 1.840 MB/s [ 449.3 IOPS]
Random Write 4KB (QD=32) : 1.892 MB/s [ 461.8 IOPS]

Test : 1000 MB [F: 31.4% (1170.4/3725.9 GB)] (x5)
Date : 2015/02/15 5:24:58
OS : Windows 7 Ultimate SP1 [6.1 Build 7601] (x64)
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4.0 out of 5 starsFairly decent
By lager2010 on April 13, 2014
Size: 3TB
First HGST brand drive I've bought due to the price per size. So far they have been good, quiet and no smart issues.
I will say they do start out fast but once filled up 75%+ they tend to slow down quite a bit which for a 64MB cache drive they could be faster.

I have 5+ year old Seagate drives which at the same fill rate are actually faster then the HGST NAS so that is a disappointment.

I've bought nothing but WD the past 5 years but the SE and RE drives are much more expensive, run hotter and consume more power but do have a better warranty so I took a chance with HGST.

Here are some benches I did when they were new and I was testing them out in different configurations.

Intel controller:
Sequential Read : 157.234 MB/s
Sequential Write : 152.631 MB/s
Random Read 512KB : 80.351 MB/s
Random Write 512KB : 97.059 MB/s

Marvell controller:
Sequential Read : 153.575 MB/s
Sequential Write : 149.040 MB/s
Random Read 512KB : 75.959 MB/s
Random Write 512KB : 92.840 MB/s

Intel controller raid0
Sequential Read : 529.409 MB/s
Sequential Write : 285.578 MB/s
Random Read 512KB : 503.219 MB/s
Random Write 512KB : 183.240 MB/s

Intel controller raid1
Sequential Read : 167.987 MB/s
Sequential Write : 163.000 MB/s
Random Read 512KB : 56.932 MB/s
Random Write 512KB : 78.967 MB/s

HDtune:

Minimum 85MB
Maximum 164MB
Average 129MB

Access time 15ms

Burst 313MB

As you can see in raid0 [or raid10] these drives can really haul, course bear in mind they were empty and you will not
see such numbers as you get over 50% full.Read more ›
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5.0 out of 5 starsWorks well enough
By Kyle Cronin on February 8, 2014
Size: 4TB Verified Purchase
I bought four of these drives and put them into a Promise Pegasus2 R4 with RAID 5. With this setup I benchmark about 470 MB/s write and 360 MB/s read with Blackmagic Disk Speed Test. These speeds are well in excess of the speeds you will be able to achieve with a NAS, the marketed purpose for the drives. Only time will tell whether these drives will be reliable, but with none DOA they're off to a good start.
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5.0 out of 5 starsGreat...but not silent.
By TouchdownRedRaiders on December 29, 2014
Size: 3TB Verified Purchase
I bought 4x3TB drives for my RAID enclosure. They will be running in RAID 10 and will be used in a media/file server for my home network. I ran 3 runs to certify each of drive (took about 30 hours to complete) and none of the drives encountered any errors. My only complaint is these run a little louder than I thought and can easily be heard from about 10-15 feet away from the enclosure. I was under the impression that these would be much quieter. I have all 4 of the Hitachi drives inside an OWC ThunderBay 4 Enclosure and have replaced the stock fan with a Noctua fan. The enclosure is attached via Thunderbolt to a 2012 Mac Mini with i7 2.3ghz CPU and 16GB 1600Mhz Corsair Vengeance Memory. While I am really picky about noise, I will not dock a star since I bought these drives for reliability.

I found these drives from reliability tests run by a reputable cloud storage company. Hitachi was way more reliable than any other company out there. I have no doubt that these drives will be reliable and last me for a long time! I do, however, wish the warranty was longer than 3 years...would like to see a 5 year warranty at a minimum, but oh well. These seem to run cool so far.

SPEED TEST: I used Black Magic Speed Test (Ran on OS X Yosemite with 5GB Test File)

1 Drive:
Read Speed: 156 MB/s
Write Speed: 155 MB/s

4 Drives in RAID 10:
Read Speed: 305 MB/s
Write Speed: 301 MB/s

4 Drives in RAID 0 (just for fun)
Read Speed: 608 MB/s
Write Speed: 603 MB/s

If you are looking for a fast, reliable hard drive to run in a 24/7 NAS/RAID environment, look no further...this is the drive for you. If you require a quiet drive (i.e. audio recording environment) then I would try to find a quieter NAS drive.
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Most Recent Customer Reviews

5.0 out of 5 starsFive Stars

Great Product. Great service.

Published 1 day ago by Gerald D. Tucker
1.0 out of 5 starsDOA

After doing research, I thought I was scoring a sure bet with HGST to replace my dead Seagate drive, but this was DOA. I returned the drive for a refund.

Published 2 days ago by Amazon Customer
5.0 out of 5 stars... NAS for almost 2 years now and they perform great, no problems

Have 2 of these in my Synology NAS for almost 2 years now and they perform great, no problems. Good quality WD drives (Meant for aux storage) had a failure in less than a year.

Published 4 days ago by Joe Racette
5.0 out of 5 starsRecommend for the diehard user

Off and running, no problem from the get go and I'm over 6 months in and still no problem. I run this drive 24/7 and haven't had a hiccup. Recommend for the diehard user.

Published 4 days ago by Emptora
5.0 out of 5 starsBEST unit EVER!

Works well! It's a tad loud but gets the job done. It's a STEAL!

Published 4 days ago by Zach
5.0 out of 5 starsGreat storage drive

So far it meets every expectation. Great storage drive.

Published 5 days ago by Mark Whidden
5.0 out of 5 starsIt's a hard drive

Pros:
- Huge, reduces need of multiple drives
- Works

Had this drive for over a year. Works as expected. What else is there to say?

Published 5 days ago by L A
5.0 out of 5 starsFast and reliable

This is one of the best hard drives of all time. If you look at official 3rd party failure rates (http://bit.ly/1Ee82en) HGST destroys both WD and Seagate. Read more

Published 6 days ago by Anthony Sparta
5.0 out of 5 starsFive Stars

Good quality and silent enough to run it in a office, although you can clearly hear the seek noises.

Published 6 days ago by Bjoern T
3.0 out of 5 starsI bought four of these to install into a QNAP ...

I bought four of these to install into a QNAP NAS. I had previously used Western Digital Red drives, but wanted to increase the storage capacity of my music server. Read more

Published 7 days ago by detroitMI

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