I posted this in another thread but I might just as well post it in here too:
I was wondering what the best (i.e. cheapest) case would be for an Onda D1800 with 6 GPUs on it... It would need to fit the PSU as well I reckon. Don't want to splash out too much cash, but I'm thinking of moving this open-air rig to another place so I need it properly secured. I'm guessing some type of 4U case should work...?
best bet is check aliexpress, and ebay.... you should be able to search of "onda 1800 case" and find results.
Or; See if spotwood's open air frame would be in the price range and liking to you. I personally bought his frame for my D8P and it was one of the best decisions i've made for that machine.
I do not know the dimensions for the 6 slot ONDA, but I like this case:
https://www.amazon.com/gp/product/B0091IZ1ZG/ref=oh_aui_detailpage_o06_s00?ie=UTF8&psc=1it was $99 for the longest time and now the price seems to have jumped. It is also sold by Walmart/NewEgg, so check around. And I second the recommendation for the Spotswood frames -- whether you go with an open frame, or go with the 4U build, I think the Spotswood 4U drop in frame is very worthwhile. Assembly with all of those exquisitely tiny screws and bolts is a bit of a pain the first time around. But once it is all adjusted and in place, you'll be glad that you added it to your 4U build. His open frames are also excellent and minimalist in a good way.