So I bought this parts for my new rig. After building it, i tried to power it up and install OS. While installing the OS, it unexpectedly reboots and it always do. When I've succesfully installed my OS already and using my computer, it still automatically reboots. It's like my video card is having problem spinning whenever it reboot. Is my PSU faulty that it does not supply enough power on my video card?
CPU: AMDFX 8350 4.0ghz
CPU Cooler: Cooler Master Hyper 212 Evo
Motherboard: Gigabyet 990FXA UD3
Memory: Corsair Vengeance 2x4gb ddr3 1600
Storage: Seagate 1tb 64mb sata
Storage: Samsung 840 Pro Series 128gb sata
Video Card: Sapphire HD 7870XT Boost Ed' 2gb/256bit ddr5
Power Supply: Corsair TX-M 650watts (TX650M) 80Plus Bronze
CPU: AMDFX 8350 4.0ghz
CPU Cooler: Cooler Master Hyper 212 Evo
Motherboard: Gigabyet 990FXA UD3
Memory: Corsair Vengeance 2x4gb ddr3 1600
Storage: Seagate 1tb 64mb sata
Storage: Samsung 840 Pro Series 128gb sata
Video Card: Sapphire HD 7870XT Boost Ed' 2gb/256bit ddr5
Power Supply: Corsair TX-M 650watts (TX650M) 80Plus Bronze