i wanna buy a gtx950 that has an 8 pin and i have rn a 6-pin which has 1 molex. I couldn t find an 1 molex - 8pin connector. does it exist? is it cheap? and if it doesn t exist, is the 1molex to 2 molex good for supplying a card that has 8 pin? (i may have bad english rn)