Seagate IronWolf 4TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 5900 RPM 64MB Cache for RAID Network Attached Stor...

I rarely write a review but decided to. First, I am old, like dirt. Retired as a system, network, cyber engineer a long, long time ago. How old? I started with Assembly language and the OSI model. LOL. I still enjoy playing with computer stuff though. I don't use these drives in a NAS but do use the IronWolf drives for my media server (recently rebuilt on a mini pc) from the old tower which I keep as a backup. I really like these drives. They can run 24x7 or on/off, depending on the system. I use them as my backup media across my desktops, laptops and servers via 6e wifi and also direct attached. They hang off external USB to SCSI enclosures and run like a charm. Well, so much for the background. The first three I bought in 2021. The next in 2022, another in 2023 as a replacement and now an IronWolf Pro just ordered as another replacement (7200RPM!) a few minutes ago. Real world experience is simply this. As of today, the last one bought in 2021 is showing signs of file corruption. Nothing major, but definitely getting some bad blocks. I scanned the drive and repaired it, but in my world, it is either perfect or replaced. Sure, they could probably go for another year, but I don't want the hassle. And for a few extra details. The drives did all not get the same usage. Some have one year, other three years. The one-year usage ones are running great, the three-year ones are showing errors. My conclusion? The IronWolf drives are great for the money. Whether in an on/off environment or 24x7, they give a solid three years of great performance and reliability. I decided to buy the IronWolf Pro 4TB running at 7200RPM for a little extra spin for those Ultra 4K movies. It was only 20 dollars more. They get my vote, just plan a three-year endurance unless you are running a NAS. Then it is not that big a deal. Enjoy! PS: I was going to buy SSD's, but with the crazy price increases since the first of the year, I'll stick with HDD's. They work great for my purposes.

Sky Ranger · 2024-04-24 · via amazon

I held off on submitting a review until I had a chance to put some time and usage on this hard drive. I ordered 3 of IronWolf 4TB hard drives in January 2021 and use them in a RAID 5 configuration on an Asustor AS4004T NAS. They have been in use for about 13 months. It is used in a home office setting with me as the sole user. I also use the Asustor Surveillance Center app to record 24/7 security camera footage to these hard drives. After 13 months of use, the drives have performed with no issues. The drives run quiet and cool, but keep in mind that this is due to the disks only spinning at 5900 RPM. Consequently, you'll need to manage your expectations on the read and write speeds to these disks, even if they are in a RAID configuration. I did check the serial numbers on the drives that I received on the Seagate website to confirm if these drives are covered by Seagate, and my drives had warranty periods as follows: Drive #1, Date of Manufacture: 3DEC2020; Warranty valid until 28MAR2024 Drive #2: Date of Manufacture: 2DEC2020; Warranty valid until 28MAR2024 Drive #3: Date of Manufacture: 2DEC2020; Warranty valid until 28MAR2024 Considering that I bought these drives in January 2021, these drives are practically fresh off the manufacturing line and haven't stayed in Amazon's inventory very long. However, those warranty periods don't appear to be in line with Seagate's claim of a 5-year warranty for these drives. Just wanted to point this out for those who are expecting a 5-year warranty on this particular model. Overall, there have been no issues with these drives. Expectations just need to be managed, considering that these disks only spin at 5900 RPM. Otherwise, they have performed reliably under the workload conditions I described.

EVD671 · 2022-03-12 · via amazon

I bought three of these in September 2018 for a new home server build. Just picked up two more in October 2022 to expand the server's RAID. The server in question is on 24x7x365 and used regularly (mostly for Plex), and I've had no issues with reliability. These drives are all connected to 3GB/s SATA controllers and run plenty fast for running a file server and domain controller. Note multiples of this drive don't necessarily have identical geometry. If you're building a RAID, keep this in mind, or you may find yourself unable to add more drives later. A software RAID can use partitions - make a RAID partition on each drive that's slightly smaller (by 1GB or so) than the total disk space, instead of using the whole disk. As an aside: if you're building a Windows server, DON'T use the modern Microsoft storage services with disk pooling. Parity pools don't behave like a standard software RAID 5, making it harder to expand your RAID later. Just stick with the standard software RAID 5 capability built into Windows.

CD · 2022-10-10 · via amazon

I have had 2 of these drives for 5 and 1/2 years in my Synology NAS. They are fast and I have never even had a hiccup with either of them.

Steven E. Herring · 2025-11-07 · via amazon

Best Buy

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MSI

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Newegg

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Newegg (Open Box)

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VALUE SCORE

Cap

128

Read

550MB/s

Type

NVMe

Cap

128

Read

550MB/s

Type

NVMe