F5F Stay Refreshed Hardware Desktop Motherboard power supply for CPU

Motherboard power supply for CPU

Motherboard power supply for CPU

B
BlueBaery
Member
229
01-22-2023, 09:36 AM
#1
Hey everyone, I'm getting ready to assemble my first PC and have a quick question about the CPU power connectors. I saw the Gigabyte X870 Eagle supports an 8+4 setup, while all the B650 boards use 8+8. My Ryzen 7 7800X3D is compatible with both, but I'm wondering if the 8+4 configuration will work for it or if I should opt for the 8+8 option instead.
B
BlueBaery
01-22-2023, 09:36 AM #1

Hey everyone, I'm getting ready to assemble my first PC and have a quick question about the CPU power connectors. I saw the Gigabyte X870 Eagle supports an 8+4 setup, while all the B650 boards use 8+8. My Ryzen 7 7800X3D is compatible with both, but I'm wondering if the 8+4 configuration will work for it or if I should opt for the 8+8 option instead.

F
Frinex10
Posting Freak
806
01-22-2023, 02:14 PM
#2
Only the 8 matters. The 7800X3D draws around 85-100 watts when running normally. None of my systems exceed the 8-pin limit.
F
Frinex10
01-22-2023, 02:14 PM #2

Only the 8 matters. The 7800X3D draws around 85-100 watts when running normally. None of my systems exceed the 8-pin limit.

B
BlueSkyHorizon
Member
220
01-22-2023, 08:54 PM
#3
Thanks for reaching out.
B
BlueSkyHorizon
01-22-2023, 08:54 PM #3

Thanks for reaching out.

P
Pigboy123
Member
61
01-23-2023, 10:02 AM
#4
It's actually quite enough with just a few 4-pin connections, given the modest power consumption of the 7800x3d. The additional pins aren't really helpful for boosting performance even at low loads like LN2. They mostly add cosmetic value rather than functional benefit. If you have the budget for an LN2 cooler, you'd likely skip a mid-range B650 instead.
P
Pigboy123
01-23-2023, 10:02 AM #4

It's actually quite enough with just a few 4-pin connections, given the modest power consumption of the 7800x3d. The additional pins aren't really helpful for boosting performance even at low loads like LN2. They mostly add cosmetic value rather than functional benefit. If you have the budget for an LN2 cooler, you'd likely skip a mid-range B650 instead.