There's a "like new" Supermicro 2028GR-TRT listed for $342.84 on Amazon Warehouse. Hope one of y'all can use it! 
Supermicro 2028GR-TRT @ $343 (Amazon Warehouse)
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In all seriousness...
All but 1 GPU bay are arranged so that you must use rear-exiting power inputs. IOW, normal GPUs that have power inputs on the top will not fit - as there's no room for the cables to attach. This chassis is meant for Quadro and Telsa GPUs, that have their power inputs in the rear. You could solder your own adapters onto the PCB of the card though (that's how I got one machine working like this).
The fans on these are super loud. Like, imagine the highest spinning startup server fans you've ever had. There ya go, at idle. They do calm down a little bit; but, they are no where near a noise level you could stand from two rooms away.
Power supply really needs 220VAC to support full power. 110VAC limits the power to around 1100W:
All but 1 GPU bay are arranged so that you must use rear-exiting power inputs. IOW, normal GPUs that have power inputs on the top will not fit - as there's no room for the cables to attach. This chassis is meant for Quadro and Telsa GPUs, that have their power inputs in the rear. You could solder your own adapters onto the PCB of the card though (that's how I got one machine working like this).
The fans on these are super loud. Like, imagine the highest spinning startup server fans you've ever had. There ya go, at idle. They do calm down a little bit; but, they are no where near a noise level you could stand from two rooms away.
Power supply really needs 220VAC to support full power. 110VAC limits the power to around 1100W:
Code:
MAXIMUM POWER
1100W @ 100-120Vac
2000W @ 230-240Vac
2000W @ 200-240Vac ( USA/CSA)