I bought nvidia geforce gtx 970 graphics card...Since my old PSu i.e 450 watts power is not going to work......So I ordered a new one (Corsair VS Series VS550 - 550 Watt SMPS).....So, I want to know is that if Corsair VS Series VS550 - 550 Watt SMPS is a 8pin connector to fit with my graphics card??