Question Is 650W PSU is enough for my PC?

Deshan

Reputable
Dec 29, 2015
16
0
4,510
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I plan to build a PC :
  • intel core i9 9900K
  • asus rog strix Z390- E
  • corsair vengeance lpx 2666MHz 32GB
  • samsung SSD M.2 evo 1TB
  • intel optane memory 32GB
  • WD 3.5" 12 TB *2
  • nVidia RTX 2080 Ti *2
  • asus gt501 with 7 fan
is't enought to use 650 watt PSU ? my plan to use seasonic focus platinium 650px, full modular

P.S. i will be doing overclocking in the future
 

Phaaze88

Splendid
Ambassador
nVidia RTX 2080 Ti *2
...
is't enought to use 650 watt PSU ?
Not if you're going to SLI 2x 2080Tis. Grab a 1000w+ Seasonic Prime, or Corsair HX/AX unit.

9900K w/OC: up to 250w
2080Ti x2: A single 2080Ti will pull between 300-400w[Depending on the model you choose.] at full power.
Add 50w for everything else
Add another 25% on top of the total for some extra headroom.
= 1375w[That's a worst case scenario, everything fully loaded, using 2x Msi Gaming X Trio cards.]
=1125w[Everything loaded, but with 2x 300w cards.]

Now, if you just go with a single 2080Ti:
=750-875w
 

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