


HGST Hitachi Ultra Star 7K4000 4TB HUS724040ALA640 3.5 ‘SATA-600 64MB 7200RPM 6.0Gb/s 3.5in
Works for Servers, PC, Mac, RAID, NAS, Surveillance CCTV DVR
4TB Capacity, 7200RPM Rotation Speed, 64MB Cache,SATA III 6.0Gb/s, Enterprise Grade, Heavy Duty
Compatible devices, Desktop
Memory storage capacity, 64.0
8 reviews for HGST Ultrastar 7K4000 HUS724040ALA640 (0F14688) 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5in Enterprise Hard Drive (Renewed)
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$89.99

Computer Geek –
Durable, reliable, cool running, and reasonably priced.
First thing I did was to do a surface check. 100% good. Not a single bad sector.Second thing was to do a full disk back up every computer in the house, including multiple disks in several of them.The drive barely even got warm. Other ones I’ve had got really warm, almost up to hot.I do double backups of everything so I now have two of these drives. They seem to be almost bulletproof and immortal.Thus drive saved my beans a couple of days ago. I had to restore the system drive of my audio workstation in a hurry. This drive didn’t fail me. All good
Jason S –
Fast, large and incredibly cheap, even for a refurbished HDD. HGST with 3yr warranty makes me comfortable with refurb.
As a professional storage and networking geek, the idea of a refurbished HDD would normally have me running away in terror. But this is an HGST enterprise drive, which has proven to be one of the most reliable ones out there, and it comes with a three-year warranty. If I were running this as my only hard disk I wouldn’t have taken the chance but it lives in a file server with double-parity RAID so even if I lose it and another disk in the array before either has had a chance to finish reconstruction I won’t lose any data. Plus I have two complete physical backups and a continually-updated online backup so worst case I’ll lose a few hours reinstalling the OS once I replace the failed hardware. My data, which is the most important thing, is safe.So considering the manufacturer, price, performance, and warranty, on top of my abundance of caution, I feel comfortable with a refurbished HDD.
Nicusor Chirca –
No bad blocks.
Good value. Good advertised warranty. I bought the 4 TB HGST refurbished enterprise drive for Odroid HC2.The linux commandhdparm -t /dev/sdashows 172 MB/sec for the first test and 171 MB/sec for the following 5 tests, for timing buffered disk reads, once the hard disk is awake (not in the sleep state). Takes some time (12-13 seconds on my system) to come back to idle from the sleep state. I ran this linux command:badblocks -v /dev/sda > badsectors.txtand after a very long time of checking (read only) it told me there are zero bad blocks.Write tests using dd (8k blocks) show the following results:-wrote 8.4 GB with 150 MB/s;-wrote 839 MB with 165 MB/s;-wrote 84MB with 251 MB/s.It runs somewhat loud and hot, probably more so than other drives, but not enough to take a star out, considering I paid less than 90$ on the refurbished enterprise 4TB drive itself (free shipping) and has no noticeable performance issues that I can detect at this time.
Zx –
Noisy
The hard drive gets the job done for storage but it is noisy.
LV-Sports-Mom –
New old stock – Perfect, so far!
Amazon provided timely delivery. Packaging was adequate for moderate handling: HDD within a sealed manufacturer’s antistatic bag, sandwiched within molded poly inserts and inserted into a brown bulk-style HDD box. HDD mfg date is 2017, but purchased from seller Go Hard Drive with a 3-year seller warranty. Upon testing via HD Tune Pro and Crystal, the HDD revealed perfect health scores and very low power cycles and power-on hours (presumably factory testing, <2 hours IIRC). Benchmarking provided good scores well within tolerance for this model. As an enterprise drive, it’s definitely more aggressive sounding than a desktop drive, but serves me well (bought several) for use within my home NAS. Regarding personal cost/benefit considerations – under ninety including S/H for a new “old stock” 4TB enterprise HDD is a winner for me in my book! Although only owned for a short while, my past experience with HGST enterprise & WD RE HDD’s (e.g. long-term reliability, heat/vibration tolerance, etc.) has been favorable enough for me to install them as on-board backups in all my PC’s and RAID home server builds.
Kristen Brochmann –
Runs well, but speed is determined by the speed of your other devices and usb or other cable.
Runs hot, runs quietly. Copying 3T of data takes a long time no matter how fast your drive is. But this drives performs well, but since I have only run back-ups a few times, I can’t say anything about longevity.
Robbie Langley –
So far so good.
So far so good. Bought to replace a failed drive and gained a terabyte of storage in the process. I have read other reviews that state that this may be a refurb drive. So be it, as I tend to buy refurbs anyway and get the same amount of life from these as I do new items. Have had in use for a month so far. Will update if anything changes.
T Halley –
Great Value for the $$$$
I bought this as a backup HDD. Best deal I could find for 4TB/SATA. Not sure it was reconditioned as it had over 50,000 hours of run time. But seem to be what I needed & a good value.