Deleted

[kingcolex]

.

[bathrobehero]

Assuming you're talking about GPU rigs, the cheapest solution is definitely if you make one yourself out of wood or even out of plastic crates. There are some aluminum cases that you only have to assemble but they're not exactly cheap.

[Spotswood]

I used to sell a boat load of these open-frame mining trays:



Let me know if your interested!
-Rich