Kingwin Kingwin Professional Aluminum 12 GPU Miner Case Stackable Mining Case Rig Open Air Frame for Cryptocurrency Mining Ethereum(ETH)/ETC/ZCash Excellent Air Convection Design to Improve GPU Perfor

CONS: You need to pay attention how to assemble it and not 100% follow the instructions as the bars holding the GPU risers are not in the correct way on the images, some mistakes on labeled screws on the plan, etc. If you use logic, you will be able to assemble it in under an hour. PROS: Nice looking mining rig, I went from regular 6 GPU mining frame to wire rack from HomeDepot to this Kingwin 12 GPU, what an upgrade! The rig is solid, looks very nice and best cooling also (with good fans of course, Noctua). I highly recommend this frame to anyone, not cheap but kinda worth it right now.

It goes together much like an old-school Erector Set model. I've not assembled a case made of extruded aluminum before, nor have much experience with these specific materials, but -- to be fair -- I built a RepRap from parts I printed myself, and ... if it isn't obvious based on the purchase of this case, I am completely comfortable with assembling a PC from parts and have been doing so since the early 90s. So, assuming you're a computer builder and want an open air, well built case -- this works. I do not have the number of graphics cards that this case is designed for (I top out at 3), and chose to buy this case in hopes that I could re-purpose anything that was left. For the most part, I did. I kept the top row off, entirely and my PC runs cool. As for quirks: the aluminum bar that the PCI-E cards screw in to included two holes for mounting the cards (they assume you're mounting graphics cards that take two slots). In the kit I received, the left, but not the right of these holes was threaded, the other was not and was too small to accept the provided screws. The screws were weaker than the aluminum, so forcing them in just stripped the threads. I had similar sized screws that were a little more durable which were left over from my 3D printer build, and they were able to tap and grip. I'm *very* please with the build-quality over-all. The extra $10 for the upper section was left off, entirely and re-purposed to replace part of the franken-enclosure I have for my 3D printer. It came with more screws than needed to accommodate everything (even removing the upper section). It was sparse on other common case parts -- it came with a switch, but no LEDs or other things typical on cases (I expected this and didn't want any of that stuff, but if you're looking for that, you'll need to buy them separately). It comes with no fans (also desired -- fans included with cases are usually loud/cheap) and -- as would probably be expected -- it comes with none of the required wiring for hooking the fans to controllers (or adapters to get them powered). So plan on getting all of the necessary cooling parts (it comes with a power switch). Packaging was excellent, there were no scratches/damage to the unit. Thankfully, as well, the manual that it ships with was available online.

I just built a 12x RTX 3070 rig with this frame. This rack is larger than all other that are sold on amazon, so you can put 5x 120mm fan on the width instead of 4x 120mm fan, this space is much needed to have some room between all GPU. All those 4x 120mm fan width rack that are available on amazon are not wode enough for BIG gpu with big coolers. I have an asus rog strix beside an evga ftw3 and there is plenty of room between those 2 bulky gpu. The overall quality of this rack is awesome, I'm not scared to move it arround, it is really solid and well crafted. Here are my only complains: - This rack assume that you are using ATX PSU. I have Server PSU, so there is nothing to help me to fix those perfectly. I was able to tie-wrap them on the rack but it doesnt look "clean". Maybe they could put a bottom that is full instead of being open and put some spot where we can attach some tie wrap, it would be way cleaner. But this "issue" is something that is on every rack sold... -The depth of the rack could be an inch more. It fit perfectly for all my GPU except for my ASUS ROG STRIX that are longer than the other. To make it fit I had to force/bend the bar where I screw the GPU so that the GPU would fit, and the other side of the GPU is forced into the 120mm fan. Fortunately, it doesn't force against the blade of the case fan but only against the casing of the case fan, so it doesnt prevent the fan to spin. But an extra inch to allow us to install those long GPU would be nice. - It is promoted as being able to stack multiple rack together, but nothing is included to attach them together. I'll have to 3D print something to be able to fix them solidely when stacking them as I dont want to just let it sit on top of each other. -Price is really high (150$) compared to all other 12 GPU rack available on amazon (less than 50$). Yes there is approx 4.75"(120mm) more in width on this one, but 3 time the price is a little greedy. The only reasons why this isn't a 5/5 stars is because of those little flaws.

cheaply-made. alluminum is low strength, would've opted for a higher quality steel to hold my expensive gear, not tgat garbage. stripped several threads, it's difficult and took laboriously-long to assemble, so many things can go wrong. altogether a regretful buy

Trust me you do not want to build this. What could be handled with simple screws and bolts has sliders and rails you have to measure yourself to get them plumb. Would not do it again. Once built is sturdy though