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8 pin = 150w and 6 pin = 75w. If the gpu need a 8 pin then get the correct one.

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i7 6700k
Gigabyte rtx 3080 10gb
32 gb ram
500 gb samsung 970 m.2
2 tb samsung 860 ssd
1 tb (2tb ?) original hdd

It has to be a 'blower' aka turbo style gpu.
I put the Gigabyte 3080 10gb in my CB 1 month ago, had to make a hole out back for 2 8-pin power cable to a std pc tower psu, bought the dell 330w but...

Hi all!

I just want to share my experience with me upgading the G20CB with a Samsung 970 evo M.2 ssd without and with EK M.2 heatsink. The lower score is without heatsink and the above is with. ...