This build was from 5 years ago or something but just stumbled upon the photos today...I just built it to sell it, but I always loved that case. Wish I had kept it. I think this build started with a $30 CAN Proliant DL120 G6 that came with 8GB RAM, and 2x250GB HDD.
Intel Xeon X3440
8GB DDR3 10600R
HP Proliant DL120 G6 motherboard
Asus GTX 680 DirectCU II
EVGA 500B 500W PSU
4 x 250GB SATA RAID
Deepcool GAMMAXX 200
Also...can't remember if I shared this one either, but I found these as well...an experiment that turned out kinda cool, IMO. It's another HP 1U server (DL360 gen 5?) transformed just a little....the entire thing had been cut down to about half the size, custom bits all over....just a proof of concept. At the time, I had access to a ton of local workstation and server hardware for scrap prices. This is a dual 771 system, if I can recall, with a GTX 780, I think. Around 5 or so years back as well. The stand is some heavy steel, a cutout from a scratch built case I was working on that someone used a sheet metal brake and a welder on...the piece was a cutout for fans and I just bolted it to the bottom of this thing. No flex, nice and heavy. Also...that is color shift paint...hard to tell from the photo. And those two 120mm fans blow directly down onto the CPU heatsink, and they had to be high RPM in order to keep the RAM cool, unfortunately.