Question RTX 3070 and PSU (Corsair CXM 650W) Questions

Jul 1, 2020
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Hi all
I plan to buy a 3070 (EVGA Geforce RTX 3070 BLACK).
My current build has a Ryzen 7 3800x, a GTX 1080 and a CXM 650W).
On the internet it shows that the 3070 requires a minimum of a 650W PSU.
Would my build be okay if I am running these components (Didn't mention my existing drives).
I am using Ryzen Master PBO for automatic overclocking of my CPU.
Also, my PSU has a cable with both an 8 pin and a 6+2 pin. Would I be able to use JUST that cable to connect to the card, or would I need a separate cable?
Thank you very much!
 
Jul 1, 2020
25
0
30
0
Hi all
I plan to buy a 3070 (EVGA Geforce RTX 3070 BLACK).
My current build has a Ryzen 7 3800x, a GTX 1080 and a CXM 650W).
On the internet it shows that the 3070 requires a minimum of a 650W PSU.
Would my build be okay if I am running these components (Didn't mention my existing drives).
I am using Ryzen Master PBO for automatic overclocking of my CPU.
Also, my PSU has a cable with both an 8 pin and a 6+2 pin. Would I be able to use JUST that cable to connect to the card, or would I need a separate cable?
Thank you very much!
 
Jul 1, 2020
25
0
30
0
Your PSU should be fine with the new GPU. You'll use the same connections that your current PSU uses to power the 3070.
My current GPU is just 1 x 8 pin, and I leave the attached 6+2 (or maybe I'm using the 6+2 and have the 1 x 8 hanging) just there since it's the same exact cable just split (does this make sense)
So that's okay you think?
 

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