Seagate IronWolf, 4TB, NAS, Internal Hard Drive, CMR 3.5

Seagate IronWolf

Seagate IronWolf, 4TB, NAS, Internal Hard Drive, CMR 3.5 Inch, SATA, 6GB/s, 5,900 RPM, 64MB Cache, for RAID Network Attached Storage, 3 year Rescue Services, FFP (ST4000VNZ08)


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Ideal for Home, SOHO Creative Pro, SMB Large scale-outs
No. of bays Up to 8-bay NAS Up to 24-bay NAS Unlimited
Capacity 1 TB to 20 TB 2 TB to 20 TB Up to 20 TB
Health Management (4 TB+) 4 TB to 20 TB 4 TB to 20 TB
Data Recovery 3-years included 3-years included Optional


Weight: 649 g
Dimensions: 14.71 x 10.19 x 2.62 cm; 648.64 Grams
Brand: Seagate
Model: ST4000VN008
Colour: HDD
Batteries Included: No
Manufacture: SEAGATE
Dimensions: 14.71 x 10.19 x 2.62 cm; 648.64 Grams

37 Responses

  1. Jonathan Fields says:

     United Kingdom

    I no longer buy any internal HDD which is not CMR – they are more robust. This has proven to be an excellent buy.

  2. MargretColwell says:

     United Kingdom

    Now had three of these – first failed after 2 weeks. Bought two to replace it and add more resilience, they’ve been fine since then. Run slightly warmer than WD Red+ drives, but seem to work fine otherwise.

  3. James Bricknell says:

     United Kingdom

    Bought this for my Netgear 6-bay server. Not used it yet, it’s in case I have a hard drive failure. The drive was supplied in a fit for purpose, shock and crush resistant HDD packaging. It looks like that’s how Seagate ship them to Amazon. I just hot swapped one I purchased 6 months ago, after a HHD failure and it was synchronised and part of the storage in just a few hours Hopefully it will il, be a long time before I have to try it. Bought this for my Netgear 6-bay server. Not used it yet, it’s in case I have a hard drive failure. The drive was supplied in a fit for purpose, shock and crush resistant HDD packaging. It looks like that’s how Seagate ship them to Amazon. These appear be quite scarce now, so I also purchased a ST4000VNZ006 which seems to be a later equivalent.

  4. SALLY says:

     United Kingdom

    Bought the 4tb ironwoolf Nas drive on a good discount to use In my pc as a storage and potentially network drive. Getting the speeds on screenshot attached.

    Easy to install if you have the space in the case. I had to cut the hard drive cage in half to fit it.

    Nas 4tb to use as a desktop drive

  5. Anonymous says:

     United Kingdom

    Bought this to replace an old failing drive in my NAS. Works as expected with no reported issues so far.

  6. EllenChery says:

     United Kingdom

    This review is for a Seagate Ironwolf 4TB 3.5 inch HDD.

    First the good stuff.

    The replacement disk I received is great. It is quiet and smooth. It performs well as part of a raid and has been working 24/7. I expect it to be as good as my other seagate disks. In addition Amazon customer service were great and replaced the original with a new one without quibble. The replacement was delivered promptly, on time and well packaged. The return process was straightforward and without cost to me.

    But……

    At the first attempt the disk was delivered to me wrapped in a single-layer bubble wrap packet within an Amazon cardboard packet. It was not delivered on the due date, consequently there was nobody present at the delivery address to receive it. I arrived home to find it behind the garden gate. To be fair to the delivery agent there was no indication on the packet that the contents should be handled wit care. I cannot understand how Amazon can let a delicate and expensive item like this be so poorly packaged.

    Needless to say it was dead on arrival.

    Would I buy another from Amazon? Well, actually I did, in order to create a raid. My experience with the other disk was (thankfully) completely different and as good an experience as I could have wished.

    Please, Amazon, make sure that all hard disks receive careful treatment in future.

  7. Tough Cookie Mommy says:

     United Kingdom

    I own the Asustor AS5002T and I was in dire need of two drives to get it up and running and these work well with the NAS I own and support there software (IronHealth) which enables more in depth health management for my NAS I do wish they was a little cheaper but PC hardware is expensive at the moment.

  8. Anonymous says:

     United Kingdom

    Reasonable value for money, does the job, but only time will tell. Very noisy compared to the Toshiba drives they replaced.

  9. Linda Ringquist says:

     United Kingdom

    Purchased this to replace a failing Seagate Barracuda used in a high read / write scenario for automatic synced backups across multiple devices.
    Haven’t had any issues in the first couple of months so far and I’m hopeful that this drive will be better suited to the task, though of course only time will tell.

  10. Tanaya Narendra says:

     United Kingdom

    I now have a couple of these any the work extremely well, no issues

  11. Anonymous says:

     United Kingdom

    Fantastic drive, really happy with it. Installed it in my Synology NAS to watch videos and so far I have had plenty of storage for everything I would want to watch.
    Also seems to be nice and quick, have 0 complaints 🙂

  12. Anonymous says:

     United Kingdom

    I always used WD until they tried to sneak SMR drives into their RED range. Retuned the WD got this Ironwolf, very happy (and it runs a little cooler)

  13. Anonymous says:

     United Kingdom

    Does what it is designed for. A little more noise than wd red but it’s fine

  14. Anonymous says:

     United Kingdom

    Bought to add to my NAS.
    I now have 4 of these in my system, bought all 4 1 by 1 over a space of 4 years so now have a storage pool of 12TB (1 drive is for raid)
    All drives still working a treat and I will only ever by these.
    Next upgrade will be 8TB drives haha.

  15. EmileTimmerman says:

     United Kingdom

    It’s a hard drive and I cannot tell you if it will outlast the ‘cheaper’ Seagate’s I have. I bought it to replace a quality Toshiba drive that apparently was not working. However once I had the Toshiba removed from the Pegasus 2R8 housing it could be reformatted and is working now!
    Backblaze have done some reviews of the drives they have used so check that out on line. I guess it depends how long you run it and how hard you work it and also whether it was made on a Friday!
    Thus far seems good.

  16. CorinneF06 says:

     United Kingdom

    I am using this drive for my Synology NAS. Arrived well packed and secure. Did short and long test on it and passed no problems. It now inside my Synology NAS and works fine.

  17. Anonymous says:

     United Kingdom

    I’m not sure what technical features make this suitable for a NAS drive like my Synology DS918+, but these drives have worked perfectly in my busy, always-on NAS for 9 months now. The Synology system says they are perfectly healthy.

  18. Brenda Stolyar says:

     United Kingdom

    Still early days but seems line a better value alternative to the WD Red Plus line. Performance is good, temperatures remain low, they are quiet and the setup is currently stable.

    Dropped to 4 stars for capacity and value as I think that the NAS range from all vendors are overpriced. Of that range, I concluded that Seagate had a slight edge.

  19. VitoLammon says:

     United Kingdom

    Bought to populate a QNAP NAS that is to sit in our lounge so was important that the drives are quiet, which these are. The only time I notice them was when first transferring 2 TB of data and they were working hard. Normal idle operation barely any noise

  20. JosieWaters says:

     United Kingdom

    I haven’t required HDD for workstations, servers for my laptop before. The horsepower has been excellent, esp. the file types I use. Impressive, especially when connected with SSDs and backup drives. Very nice

  21. Anonymous says:

     United Kingdom

    Very fast, quiet .I wrote 1.2TB to this, at 190MB per sec. Far better than seagate barracuda witch is 60MB to zero. took 12hrs to write same file. very hard to get this at a good price. 97.

  22. Anonymous says:

     United Kingdom

    Bought this because the price was very good for a nas version of 4tb. I have a 2tb ironwolf nas running and it’s qt 55k hours still with no bad sector’s seeing life expect is 43k. Never had a seawater go wrong on me to date. I used this one on Windows 10. Only thing is you need to format it using win manager as plug and play doesn’t recognise i

  23. SheriPerron says:

     United Kingdom

    After years of buying Western Digital, I decided to vote with my feet and go to Seagate after the whole SMR / CMR debacle. I felt WD had poorly handled that and did not want to support such a company anymore. I also was curious about the additional drive health features on the Ironwolf drives in a Synology NAS (which aren’t that special).

    I have installed the drives in an old DS215J that I use as backup of my main DS918+. The DS918+ has all WD Red drives while the DS215J has the 2 Ironwolf drives.

    Comparing the 2 brands, the Ironwolf(ves?) make a more noticeable (and initially slightly worrying) mechanic noise when starting, however once they’re spinning, in my case at least, they are much quieter than the WD. It came as a surprise as from what I read most people find the WD Red less noisy than the Ironwolf drives.

    Age could be a factor as my WD Reds have about 30k of power on time hours. Also, it may be that the DS918+ enclosure is inherently noisier than the DS215J.

    Hence so far so good. The drives in my case are very quiet, which is nice. Time will tell if they are reliable.

  24. Anonymous says:

     United Kingdom

    Early days to talk about reliability as they’ve only been up for a month but no issues yet. Easy install into Synology DS1819+ (paired with 4 WD Reds which will get swapped out for Ironwolf as they die). Uses CMR not the less than satisfactory SMR of the WD drives.

  25. Anonymous says:

     United Kingdom

    Was concerned on reading previous reviews regarding packaging. Came well protected in cardboard packaging designed for purpose. Drives in stalled in Synology NAS and passing all tests, working well. Both drives are very quiet in use.

  26. Anonymous says:

     United Kingdom

    Excellent drive specifically made for a NAS which means it can handle being used 24/7 and is designed to be powered 24/7. This means it’s perfect for something like a PLEX server, a CCTV system, backing up data such as photos, videos, PC files.

    Seagate have an excellent reputation and their Iron Wolf drives are always highly praised.

    Packaging was excellent and I have no complaints, the drive was thoroughly protected through shipping.

  27. KoreyBriseno says:

     United Kingdom

    Difficult to write a review for a NAS hard drive when the main measure of success is its longevity. However, this seems a good drive, keeps a low temperature and seems a good replacement for a smaller drive that was developing bad sectors. Only time will tell.

  28. Anonymous says:

     United Kingdom

    Got this as a replacement for a WD NAS drive that was failing reporting defective sectors. I didn’t want another WD so opted for this Seagate model. Its quieter and runs without issues. Seems a lot quicker in accessing files than the WD but that may be because that unit was failing. Very pleased with it and would recommend.

  29. Anonymous says:

     United Kingdom

    Golden Review Award: 10 From Our UsersI’ve just reviewed this nas drive on my own tech blog and I praised it immensely.
    If you have never bought a nas drive (or any hard drive for that matter) – you might be wondering if you can get a cheaper brand. Don’t. You might be thinking of going down the pre-owned route….Don’t.

    The fact this, its 104 for a brand new drive. 104 for a 3yr warranty. 104 for a carefully packaged and shipped item.

    The nearest used item on a certain bidding site it 70 USED. You don’t know how these drives are treated and you risk data loss if it fails (which they do). Buy once, buy right.

    Buy it....don't even think about it.

  30. Rev. Kim Justice says:

     United Kingdom

    As others have commented sometimes the packaging for these is not great. I ordered two 4TB drives, both arrived in the “dodgy” packaging, one was DOA (nasty mechanical scraping noise when rebuilding array) but the other has been running happily for a few weeks now.
    The replacement drive (speedily dealt with by Amazon) arrived in “approved by Seagate” packaging – basically a bigger box with foam padding inside and this too has been running happily for a few weeks also.
    Switched to Seagate from WD a while back as I’ve had a fairly high failure rate with WD whereas I’ve yet to have a newer Seagate drive fail during normal usage.

  31. Anonymous says:

     United Kingdom

    Golden Review Award: 35 From Our UsersI ordered two IronWolf 4Tb hard drives to replace a pair of failed Western Digital Red drives in one of my WD MyCloud Mirror NAS enclosures. I chose IronWolf drives because they are CMR drives and the serious failure of my two Western Digital Red drives (which are SMR) caused me grave concern. (I have two more WD MyCloud Mirror servers equipped with Red RAID 1 drives with no failures installed 5 years ago.)

    The two IronWolf drives were easy to install and configure in my NAS bay. I was immediately impressed with their very quiet operation compared to the Red drives and look forward to a long term life.

    But I’ve learnt a very important lesson when running servers in a RAID 1 configuration. I had believed that RAID 1 is the safe configuration for saving critical data. But I now realise that when one RAID 1 drive fails the other RAID 1 drive has a much higher likelihood of failure because of increased rate of read/writes and constant attempts to restore damaged data. This is what happened to me — one drive raised an alert of impaired health, and the other drive failed very quickly afterwards. I just managed to transfer my valuable data to another drive before losing both drives completely.

    So even with a RAID 1 configuration in a NAS enclosure, it is wise to routinely backup to another drive!

  32. Anonymous says:

     United Kingdom

    Ordered two of these drives to use in RAID 1 for my NAS. A previous drive had failed and the other was 7 years old so due an upgrade. Both drives arrived in seperate antistatic pouches wrapped in large bubble wrap. They weren’t loose enough to bounce around in the box I had, but I beleive a common criticism of Amazon’s packagine for hard drives is they can sometimes be too loose in the box which can cause damage. However this wasn’t the case for me.

    The drives have only been in the NAS for just over a week now, both working fine, they don’t make that much noise but they are lower rpm drives which isn’t a problem for what I use them for. All in all, I’ am happy with the purchase.

  33. Rachael says:

     United Kingdom

    Golden Review Award: 65 From Our UsersI’ll start by saying that I’ve not had much luck with Seagate drives in the past. I tend to stick to Western Digital as I’m yet to see one fail, and I’ve had bad experiences with Seagate, Toshiba et al. However I needed 4 drives for a NAS and I didn’t have much choice. WD red drives now use SMR technology, which is a modern means of magnetically writing the data to the disc. It makes manufacturing cheaper at the expense of performance. Significantly so in fact, to the point where avoiding SMR drives is actively encouraged unless you’re archiving data.

    The Seagate IronWolf drives use the more conventional ‘CMR’ technology. So with some trepidation I bought 4 of them over the WD Red which ordinarily would have been my first choice.

    I installed them in a Synology DS418 4-bay NAS enclosure, configured using Synology hybrid raid with a single drive fault tolerance giving me just under 12 terabytes of available storage. The drives have been installed for a few days and so far have performed flawlessly, allowing the Synology to reach gigabit transfer speeds. I will edit the review if they fail within an unexpected timeframe, but so far they are running quietly with very little heat and vibration, and all passed the Synology drive tests. Very pleased.

  34. ElmoFerguson says:

     United Kingdom

    I’ve always trusted Seagate drives for using in my NAS. Bought these to fill my new NAS recently. I’ve only been using for a month or so but all going well & not expecting issues 🙂

  35. Anonymous says:

     United Kingdom

    Golden Review Award: 25 From Our UsersI tried to buy a 4TB Seagate Ironwolf from an Amazon-listed 3rd party supplier, but they never delivered and then apparently went bust after promising to deliver after all. I was lucky to get my money back on that one, thanks to Amazon. So then I bought a slightly more expensive one from Amazon themselves, which arrived nicely packaged… and didn’t work! Plugging it into my server, it was detected and its identifier proclaimed it as a 4TB Seagate, but nothing would write to it without generating “I/O Error” messages all over the place. Trying to replace a failed disk in my 4-disk ZFS array was a complete wipe-out. So about 1 hour after it had been delivered, I was back in touch with Amazon for a return -and to their great credit, they provided one without fuss or bother. There was one “have you checked the power cable” question, but that sort of nonsense only lasted a brief moment. Within 20 minutes, a replacement drive was on order and a return of the defective drive arranged.

    So, finally, my third Seagate Ironwolf 4TB NAS drive arrived; I plugged it into my server… and it worked. Sighs of relief all round. The ZFS replace command kicked off without fuss or drama and the Zpool is now safe once more.

    So I don’t have much to say about the disk I’ve now got, except that it works fine and does everything I expect a hard disk to do. But the one before this one… well, I’ve never had a ‘dead on arrival’ before, despite 30+ years in the IT industry, and Seagate should be a bit ashamed that their brand is the one that arrived kaput. I’ve gone Ironwolf rather than my standard WD Reds because of WD’s unfair, illegitimate and frankly shady practice of slipping Shingled Magnetic Recording into their WD Red line in the first place. Seagate, at least, are transparent that no SMR drives exist in the Ironwolf product line. So, on those grounds, I’m glad I went Seagate.

    I am, however, now crossing my fingers that Seagate’s quality and reliability as demonstrated by once having a dead-on-arrival doesn’t match the quality and reliability my NAS is now depending on. Hopefully, third time really will be the charm. If it is, I’ve got another 11 drives that will get ‘iron-wolfed’ in the coming months.

  36. Anonymous says:

     United Kingdom

    I had a 3TB WD Green that was getting on in life so I decided to get this as a replacement. This is a great storage drive and functions well, so far….

  37. DanialPeek says:

     United Kingdom

    I got this HDD for my 2-bay NAS, RAID 1. I have no issue with them, 24/7. The product package was not good – plastics and thin cardboard boxes, very cheap feel … anyway, the hard drives were fine when delivered.