This is a bit of vicious circle. How much of that money goes even into keeping those servers running? The electricity bill alone, geez. They could do a dedicated fundraiser to get themselves two boxes that are a decade old and still have spare parts available, coming from Broadwell era, they will have enough instruction set support to cover the baseline towards which multiple distros are converging (Haswell and up).

Given their target audience, they could probably just request a hardware donation. Some sysadmin out there is probably getting rid of exactly what they need.

if it's colocated (surely the case) they aren't paying per kWh