r9 290 (Non-OC)
i5-750 4.0GHz (Overclocked & stable)
8GB 1600Mhz RAM - Memory usage only approaches 6GB
Windows 7
Online play - Any random actions can cause the freeze/crash [fullsceeen, 10~30mins of play] Specifically, it has frozen multiple times on online zone-transition (on the last zoom level just before it reaches character) especially coming out of missions.