new amd build keeps crashing

[jjkozo]

so ive finally finished my build and it crashes. ot at start but when i would be playing a game or just on the internet. i thought cpu was over heating so i put a corsair h80i gt on it and cut the temps in half. but the random crashes still continue this is my build:
MOBO: ga 990fxa ud3 r5

CPU: AMD fx 8350
CORSAIR H80i GT
HDD:1tb seagate hdd,
RAM; 8gb (2 x 4GB)1866mhz
GPU: MSI R9 380 4G
EVGA 600 BRONZE 80 PLUS
FANS: Corsair af120 led(2) thermaltake 120mmcase fan
CASE:Thermaltake versa n21

somebody please help this is getting really annoying. i did a clean install, also downloaded and intalled latest drivers.

 

[Szaki]

1. How often ?
2. More details of the circumstances of those random crashes.
3. OS?

I'm asking because everything seems fine, like quality mobo, aftermarket heat sink, decent PSU.....
Did you by all means do overclock ?

 

[Dark Lord of Tech]

Could be the very very very poor \ unstable power supply.
http://www.overclock.net/t/1500086/why-you-should-not-buy-an-evga-400-600-and-500b-600b

 

[jjkozo]

1. How often ?
2. More details of the circumstances of those random crashes.
3. OS?

I'm asking because everything seems fine, like quality mobo, aftermarket heat sink, decent PSU.....
Did you by all means do overclock ?

1. after about 30mins - 1hr of gaming
3. windows 10

 

[jjkozo]

Could be the very very very poor \ unstable power supply.
http://www.overclock.net/t/1500086/why-you-should-not-buy-an-evga-400-600-and-500b-600b

oh so what would u recommend

 

[jjkozo]

1. How often ?
2. More details of the circumstances of those random crashes.
3. OS?

I'm asking because everything seems fine, like quality mobo, aftermarket heat sink, decent PSU.....
Did you by all means do overclock ?

once overclocked gpu to a stable 1019 mhz but the temps didnt go past 65 degrees C. but i run it at the msi gaming app recommened 980mhz