Not only is the CPU itself only $76 -- and it comes with a bundled cooler -- but it also uses an older socket. AM4 motherboards are dirt cheap, as is DDR4 memory. You can get a kit of 2x8GB DDR4 ...

The blame was placed squarely on ASRock, but it denies that, instead claiming that if the owners had merely ensured the sockets were clear of dirt and debris ... case where the CPU was burned ...