hi .i have this issue too.let me explain from first place
i have 4    rx580aorus giga
i use biostar tb250btc pro for mining before that i use giga h97 motherboardwith ssd .and i havnt any problem and claymore work days without any problem  but after biostar ،randomly my graphics hangs (sometimes gpu0 sometimes other graphics)  and claymore restart.i even underclock the graphics and work with low hashrate and with low voltage but this happen again .even i connected motherboard molex power sockets but nothing changed.and one thing more i use old hard disk with boistar  that i dont know is work well or not.
use virtual memory too with 16gb.dont know what to do.sorry for my english