Everyone is sharing why not. 24x 3.5 hdd, 40x 2.5 hdd/ssd open airframe case $90 USD at the time with 120x360 aio water cooling with 120mm, 140mm cooling fans. It’s really easy to dust off 
you could use a cs383 silver stone case 
Wendell is currently working on a review of the MSI WS300T60L. He has a “speculation” thread about the 12v3 12pin GPU connector it uses (link). The reason I’m mentioning it here though is that the WS300T60L uses an OEM version of the CS383.
I made a quick post about some of the difference between the two versions of the cases, if anyone is interested.
When I have a bit more time, I might write a more detailed post here.
[EDIT] One thing worth mentioning for anyone who might want to modify their CS383. The MSI has a vented side panel to allow a full height air intake. As can be seen on many glass front and sided cases. Which makes me wonder whether spare case panels might be available from MSI?.. chances are, they won’t even give the time of day to a non-AI company customer but you never know.
Has anyone tried using a 92 to 120mm offset adapter behind the drive cages? My temps are awful for the HDDs (using some older enterprise SAS HDDS). Like ~8c hotter than the same drives in a DS380 which is wild to think about. Like was mentioned here, I assume the main culprit are those awful thin stock fans.
What is you main interest?.. Is whether a certain adaptor would fit (which I might be able to help with) or what effect it’d have on temps?
Both. I printed a random offset 92 to 120mm adapter I found online today and threw an old GT ap15 I had laying around in the case. Temps seem to be down ~4-5c average. I think I’ll be trying some of the Noctua industrial 2000rpm fans. I think the 3k would be better but I am worried about noise. I am open to any fan suggestions you may have. I have the 2000rpm static speed Noctua industrial fans in another case in the same room and their noise levels are totally acceptable.
The only issue I had with the adapter is that it was hard to get the 4 pin molex in. It’d be better to plug it in as you put the PCB back in place which I will try next time. I used the 38mm version of this file: https://www.thingiverse.com/thing:2732939/files
Wouldn’t switching to a full depth 92mm fan perform better than a 120mm since it’d have much better static pressure?
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Perhaps, I don’t have another 92mm fan to test. The stock fan location is pretty poor with only a couple of mm between the fan and the back of the PCB. This creates a lot of noise and noise that is of a higher pitch. If anything, the adapter provides enough space for that sound to not be an issue, The sound the 120mm fan does make is a much more pleasant tone. Even with another 92mm fan I think you’d see benefit with a small spacer.
Any suggestions for a full depth 92mm fan? One that doesn’t scream at 6000-10000 RPM? I am open to a little experimentation. The 120mm 3000RPM Noctua fans have 7.63 mm H₂O of static pressure. The stock 92mm fan has 2.29mm H₂O of static pressure.
Yes, a Sanyo Denki 9RA0912P4G001 or 9RA0912P4G0011. It’ll do 7.36mm aq at only 37dBA compared to the Noctua’s 43.5dBA, and the noise it produces is more pleasant than the harsh noise of the Noctua PPC. The only downside to them is you need to add your own 4 pin connector to them as they arrive from the factory.
I’ve been using them to cool my PCIe card area and they are very quiet even while moving large amounts of air:
