I have Cooler Master Elite 460W power supply back from 2012 and it was used for like 2-3 years.
It does turn on & but don't know the credibility of the supply unit.
My new build would be-
i5 9400f
RX 5700
1 TB 7200RPM
16GB 3200MHz DDR4 RAM
No SSD
Any Cheap compatible Motherboard
No Case fans [...