i wnt to buy a gtx 560 non ti gpu and need a PSU for it ..so i had in my mind Corsair VS450 450 Watts PSU http://www.flipkart.com/corsair-vs450-450-watts-psu/p/itmdbfa3kaffmum3?pid=PSUDBF9ZBHSJVGJ8&ref=90e14ae1-7554-4bf2-8b2e-b60fc0cf6785 So it has only one 6 pin connector ..so should i buy this 1 ??