Originally Posted by GibsonSGKing
Sounds to me like your video card is overheating. Those are very high temps.
Load temps for a 3850, those are quite normal.
30 minutes with prime is nothing. To get anything out of prime, you have to run it for a long time. 5+ hours to get true stability testing.
Since your system is dying when you're gaming and not during CPU testing, it's not too hard to draw conclusions here.
If your power supply weighs less than a moderately priced toaster, it's of low quality. For the record, Logisys won't ever come near my computer. Such horrid quality power supplies. Get yourself an Antec Earth watts or a Corsair post haste before you kill everything in your system.
Never ever skimp out on the power supply.