NAS Build Purchase Part 2 - Disks

Cromewell

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#1
In the first part (https://pctechforum.net/forum/threads/nas-build-purchase-part-1.196/) I was looking at off the shelf, and custom NAS hardware. Now, it's hard drives. I do not want to be replacing failed drives all the time, so failure rates are an important factor but so is cost and size. For reliability, it's difficult to use a large dataset like Backblaze (https://www.backblaze.com/b2/hard-drive-test-data.html) because a not all drives are well represented (or at all). It is certainly a good starting point, but unfortunately can't be used for all the drives available.

All prices are in CAD, and may be sale prices.

There are nearly 400 4TB drives listed on newegg alone. I'm not going to look at them all, it's just not feasible, plus a lot are just different sellers of the same drive. Scaling back to 7200 RPM 4TB disks ($149 - $229):

4TB
In this list, it's hard to beat $149 for the HGST. The WD drives cost a quite a bit more, and it's hard for me to make a good case to consider them, unless there is a huge difference term reliability, but that seems highly unlikely. And it's really hard to pay more for a 4TB when I could get a 6Tb for less.

For a moderate price bump, I could move to 6TB ($209 - $309).

6TB
Again, the WDs basically price themselves out of the contest. At more than $100 more you'd need to make a very good reliability case.

8TB drives start at $289, with a good number being around the $350 mark. They are worth considering, but I'm not sure if I will go that route.
 

Intel_man

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#2
I'm currently running two 2Tb WD reds. One failed a smart test within a year. Got a replacement pretty quick.

Honestly, ironwolf pros are the way to go if you can fork for the extra. Other than that, I'd stay away from Seagate.
 
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