That just means your config wasn’t properly made to support your hardware. Mine was rock solid for 6 years.
Also: could you write which models of components you bought:
a. 580 gfx card ? /nitro? pulse? others :)/
b. in terms of 5700 youre planning to buy do you have exact model?
c. which exact memory (size of one) and 3600 was base or overclocked