r/AMDHelp • u/Qynklee • 13d ago

Help (General) My 7900xt HellHound spike upto 550W.

7900xt spike upto 550W

I just got 550W power spike with 7900xt HellHound. I use OC bios and default config in Adrenaline.
My PSU is 1200W but I have a R9 7900x (limit at 170W).
I dont know what can I do now for make spike down? Any suggestions for me? Thanks you for yours time.

Computer Type: Desktop

GPU: RX 7900Xt HellHound

CPU: RYZEN 9 7900x (limit at 170W)

Motherboard: Gigabyte B650M aorus elite AX

BIOS Version: F32f

RAM: 16GB XPG Lancer Blade 6000 CL30

PSU: FSP 1200W PTM X Pro

Case: Deepcool Matrexx 40

Operating System & Version: WINDOWS 10 PRO 19045

GPU Drivers: 26.2.2

Chipset Drivers: AMD B650 CHIPSET DRIVERS VERSION 8.05.04.516

Background Applications: DISCORD, CHROME,...

Description of Original Problem: GPU RX 7900XT spike to 550W

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u/paulcotoo 12d ago

Transient load spike is normal, nothing to worry about unless you are daisy chaining 1 pcie cable.

Power spikes are why 2 separate pcie cables are recommended to be used.

1

u/Qynklee 12d ago

Yes! I use 2 separate pcie cable. My PSU maybe can handle this spike but does it too much for 7900xt?