BTX designs would be the later Optiplex GX620 (and a few GX280's on the GX620-style case) plus the Optiplex 745, ... The Dell clamshells were some of the worst cases of all time, ...

Dell OptiPlex 5050 Micro PC review ... At 36 x 178 x 182mm, the 5050 Micro is a bit bigger (and thicker) than a DVD case, ... namely an Intel Core i5-7500T processor and a BTX motherboard.

CoolerMaster ATC-600 Home Theater PC Case - $200Very cool case. Made of aluminum. Looks like a piece of stereo equipment. This one is all black with a black front panel that is made of aluminum ...