Hello, I am planning on buying the "EVGA SuperNOVA G2 750W Modular Power Supply" and was wondering whether it would work with my computer. i have an Gigabyte R9 280x Windforce OC, an AMD FX 6300, 8gb of ram, 1 1TB 7200RPM HDD, 1 320GB 7200RPM HDD, 1 120GB SSD, AsRock 970 pro3 motherboard. also, I want to know whether you would recommend this power supply or whether I should buy another?