i recently ordered
ASUS GeForce GTX 1070 8GB ROG STRIX OC Edition Graphic Card STRIX-GTX1070-O8G-GAMING

https://www.amazon.com/gp/product/B01HDUVJ1I/ref=oh_aui_detailpage_o00_s00?ie=UTF8&th=1

the vga i have is hd 7950 which work on 2*6 pin power cable, but my new GPU works on 1*8pin power cable.
any idea how i can solve this issue. i saw some splitter cables which can give 8 pins or 6+2 from a single 6 pin cable. is it good !!. as i was reading that 6 pin can give 125w while my new GPU require 200w. i need your help guys
thanks