I bought two of those serverpartdeals drives after seeing them recommended on reddit after searching for good refurbished drives and they have been running fine for a few months now with no errors in the smart data
I've used serverpartdeals for 2 Seagate 16TB drives. I had 1 drive start to show signs of premature failure (unusually slow read/write speeds and read errors).
Their support is amazing. They 2nd day Air shipped me a replacement (after asking for advanced replacement) so I could rebuild my array before returning the old drive. No cost to me.
Good service gives me way more confidence in a store front than just positive product reviews. Can't recommend these guys enough.
There's a lot of comments talking about used and refurbs. I personally use these types to get good deals but I also have a reasonably robust backup protocol. Not a full 321 backup but an appropriate level of risk for my needs.
My point being, if you go that route, they're cheaper but the odds that one dies on you might be higher. Make sure you manage your backup strategy to a risk value you're comfortable with.
That said, I've also had great experiences with serverpartdeals. I've also used diskprices.com to find deals.
Things to consider are noise, temps, power-on time, etc. For myself, temps are fairly consistent in my case and it's in a closet so I don't care about noise. I also don't need particularly fast access on the HDDs (I use an nvme cache strategy as well) so I can pretty much use whatever. Your needs might differ.
I bought 5x 16T recertified WD from SPD. Running in RAIDz2 (2-disk redundancy) config since April. I've yet to have an issue. They have 3 years manufacturer warranty so it's not even a huge deal if some die in a while. I paid USD $160 per drive.
I've been doing this for at least a decade now and the drives are just as reliable as if you bought them normally. The only downside is having to block one of the pins on the SATA connector with kapton tape for it to work.
My second machine uses such disks. They work fine. They're a bit more expensive than recertified datacenter WDs from SPD though. I can run a 48TB array with 4-disk redundancy with such disks from SPD for the price of the equivalent 48TB array made of shucked external WDs with 2-disk redundancy. The 4-disk redundant system will be more performant. I'm going to use my shucked WD array till it croaks but I'd be buying recertified replacements as the disks die.
I've been buying Water Panther refurbished drives.
Both Arsenal (had them for a while) and SaveGreen (they just released recently) and have any had a good experience with them for how cheap they are with warranty.
Only filed 1 RMA, and the turnaround was fairly quick.
They are also Seagate drives, and the SaveGreens have different firmware
I have a mix of shucked, new, and used drives in my home server.
WD reds out of some USB enclosures that are pushing 7 years old, some new EXOS drives that are pushing 4, and some refurbed EXOS drives that are pushing 2 years now.
Zero issues, but I'm also running them as basically stand-alone drives with mergerfs and snapraid. I don't really care about 99% of the data, since I can just like, download all the ISOs again, but in x265 encoded versions.
7 drives, zero failures, though I'm expecting the 8tb reds to start dying any minute now.
I always buy new because time spent fixing a problem or recovering data with a used drive ain’t worth it to me. It may be to you. A manufacturer refurb might be ok, in fact I do buy refurb monitors sometimes, but not data storage.
Sounds a bit like not enough redundancy. Once you go into redundant mode, the individual disk quality is no longer nearly as important. 2 or 3 disk redundancy, and you can use whatever garbage comes your way.
That assumes you don’t value your time spent dealing with troubles that come.
Like the other person said, it’s fine if you don’t, but for me it’s worth a little upfront cost to have to deal with less ordering new drives, putting the drive in the server, monitor rebuilding of the array, ect…
None of that is an excuse for lack of proper backups. Because even new drives can fail catastrophically.
All well and good until you lose another disk 2 days into re-striping. Which is not that uncommon because that puts a lot of load on the surviving disks! Remember, RAID is not a backup.