will 850 watts 80 plus bronze cut it?
I am looking to eventually do two sapphire r9 280x toxic's in 2 way xfire. I currently own a antec hcg-850 80 plus bronze 850 watt psu. Do I need to upgrade the psu or am I fine with the hcg-850?
Current system: gigabyte ga-fm2a78m-d3h mb, amd athlon x4 860k cpu, 4gb of ddr3 1600mhz ram,club 3d radeon r7 370 2gb, antec ea-750 750 watt 80 plus platinum psu, antec vsk-3000-u3 matx case,lg 16x bd-re drive, iocrest marvell 9230 raid pci-e 2.0 x2 raid controller,2x pny cs1311 120gb ssd's in raid 0, AOC 24' 144hz monitor,razer mamba te mouse, steelseries 6gv2 keyboard,pdp rock candy xb 360 gamepad, windows 10 home 64 bit N edition