Question I need advice for pins and my gpu

Feb 26, 2019
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I have an RTX 2070 Gaming z which has a 6 pin and an 8 pin on it, but I currently only have a 2+6 pin cable for my EVGA supernova G2 750W because I left the other cables at my old place. Is it possible for me to use the 2+6 pin only or will I run into issues straight away?