Okay I own this psu
https://www.trcelectronics.com/ecomm/pdf/rsp1500.pdfit goes as high as 13.5 volts or as low as 10 volts it is 87% so just about a gold
if it can run your machine at 10 volts and say 3000gh or 2800 gh using 600 to 700 watts your machine is worth more to most usa buyers.
I can run a full set of tests for you.
Just GET ME an avalon 6.
😇 I'll probably get one of each. Bitcoin mining seems like an interesting endeavor