V3C 8-GPU Stackable Open Air Mining Frame - Aluminum Rig Case with Fan Mount for Ethereum (ETH), ZCash (ZEC), Monero (XMR), Bitcoin (BTC) & Siacoin (SC) Mining - Perfect for Home Mining Setup & Cryptocurrency Farm Expansion

What a great frame! Clean, professional looking, sturdy, stackable!I want to preface this by admitting that I am mechanically inclined, I am good with my hands, and work fast.Let's address a few of the low star issues:1) Poor instructions - The instructions have small writing, and can be downloaded from a website if you have poor vision. I could clearly see them with good lighting in the room I was assembling in. I also took the time to identify and layout everything beforehand so I knew what was going to go where. I suggest doing this, as taking this extra step moves things along quickly when you're not fiddling around guessing what is what.2) Takes a long time to assemble - Took 20-30 minutes in total, without power tools, could certainly be done MUCH faster with a screw gun. Since it was such a small project, I didn't see the need for that. Every hole was tapped perfectly, and they were nice enough to include a set of hex tools for those who do not own them. There is a self locking nut that is used to install a couple parts which I had never seen before, but as long as you leave it loose, insert and turn the hex screw, they work like a charm! The most time consuming portion is the fan assembly, but I opted to use the screws that came with the fans instead of the hex screws in the kit. The fine threaded long screws were not necessary.3) Fans were not included - yup, it says so in the ad, clearly. I ordered a nice set pwm fans here on Amazon that arrived with my kit. To give a low rating because YOU didn't read the ad is YOUR fault, not the manufacturer's.4) MB holes did not line up - You put it together wrong, some pieces can be installed two ways, you must pay attention that the motherboard holes are aligned when installing those pieces. I made this mistake on one of my assemblies, and just had to flip the part around.All of that said, again, I think this is a wonderful frame. I made one modification after putting my first one together. The bar that the GPU is supposed to rest one, I flipped that so instead of sitting under the back of the card, it now rests under the riser extension. The bar was too far away for a Sapphire card I had, and it also makes it easier to exert force on top of the card into the riser.Assembly and instructions are not meant for someone that really needs to be babied. To be fair, no part of mining is that way, from hardware selection, software selection, configuration, troubleshooting, optimization, monitoring, etc...I can say out of the rigs that I have, this is my favorite frame to use until someone comes up with a great closed case design, I will continue to build on these!