this post was submitted on 13 Jul 2025
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Technology

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What's the REAL minimum power supply needed for a RTX 5060 Ti? (thebrainbin.org)
submitted 6 days ago by Bigou@thebrainbin.org to c/technology@beehaw.org
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Hello, technologically minded peoples, I have a question for you.

I would like to know what is the real consumption of a GeForce RTX 5060 Ti and what's the real minimum power supply required to feed one the needed juice.

I ask to know if my father also needs to change is current power supply or not. (For the graphic card itself, he doesn't have a choice but to replace it, since his curent one died.)

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[–] jarfil@beehaw.org 3 points 6 days ago* (last edited 6 days ago)

(Σ (max TDP of all system components) ) + 20%

Rationale:

  • PSU works best at 20–80% load
  • Component TDP are an average; actual power usage can go way down, but also spike above spec for short bursts
  • Brownout is one of the messiest issues to troubleshoot

Additional considerations:

  • Check the PSU rail distribution
  • If separate rails, make sure the GPU rail can meet GPU's TDP+20%
  • If multiple rails, each should meet whatever is connected to it +20%
  • If using HDDs or other start-heavy components, factor in the initial power spike (staggered start is also an option). GPU starting at almost idle should compensate for the overall power requirement, but still factor it into the rail calculations