very stable hashrate on latest version (nanopool 6hours average before 1.2.8 2900-3200 h/s. On 1.2.8 3300 h/s )
No crash or blue screen
But has high cpu usage (50%), g3260 + 1 rx480, 1 rx470, 3 rx460 with amd blockchain
http://prntscr.com/i5fpob