Question 750w vs 850w psu for 3060 Ti ?

May 22, 2022
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good day,

I want to change my 750watts bronze corsair psu that has worked for the last 8 years because i have bought a Gigabyte GAMING OC Rev 2.0 GeForce RTX 3060 Ti LHR 8 GB Video Card

My current pc:

cpu: ryzen 5 5600x
mobo: MSI B450 TOMAHAWK MAX ATX AM4 Motherboard
cpu cooler: Noctua NH-U12S 55 CFM CPU Cooler
ram: Corsair Vengeance LPX 16 GB (2 x 8 GB) DDR4-3200 CL16 Memory
gpu: 1060 6gb ram from gygabite (did not install the new gpu)
case fans: 6 ARCTIC F12 PST 53 CFM 120 mm Fan
2 monitors : MSI Optix G241 23.8" 1920 x 1080 144 Hz Monitor
storage: 1x Samsung 970 Evo Plus 1 TB M.2-2280 PCIe 3.0 X4 NVME Solid State Drive , 2x Samsung 870 Evo 1 TB 2.5" Solid State Drive



pc partpicker says with the new gpu my pc will consume 434 watts, if I apply the rule : 434 x1.5= 650 , as the 3000 series has random power spikes , should I go for a 750watt psu or a 850watt psu ?
The psu i want to buy is seasonic gx 750 or seasonic gx 850. What are your opinions ?