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Corsair RM650x

Physical Product · Power supplies · 6 mentions · 1 subreddit · discussed in r/buildapc

Reddit take

Not enough linked mention summaries yet; the source excerpts below are the evidence.

Pros

  • The Corsair RM650x usually goes on sale around the same price as what you've got picked out.
  • PSU: 650W 80+ Gold modular (e.g., Corsair RM650x, Seasonic Focus GX-650, or Thermaltake Toughpower GF3) — ~$80–$100 Fully modular for clean cables, plenty of headroom, reliable.
  • till i found a corsair RM650xfor a good deal, and automagically after changing the PSU performace got back to normal.

Cons

  • even if the PSU is decent quality (those ones usually were) its probably had some loss in efficiency and general output. Natural power spikes and power ramping might cause some issues. I would just replace it with a quality 850w or 1000w...
  • Seems like the max draw would be ~550w. I'm more concerned about any potential degradation over the years but the PSU was no slouch back in the day (been running a 1080TI since day 1), so would think it would still hold up.
  • yes it may work, but it's not a good idea, i would say go fo min 850W A tier PSU

Sentiment

3 positive (50%) · 1 mixed (17%) · 2 negative (33%)

Trust + time weighted score: +10% · raw score 17%

What redditors said (6 of 6)

even if the PSU is decent quality (those ones usually were) its probably had some loss in efficiency and general output. Natural power spikes and power ramping might cause some issues. I would just replace it with a quality 850w or 1000w so u don't have this issue again
negative · u/N****7 · r/buildapc · comment · Mar 17, 2026 · open on Reddit ↗
The Corsair RM650x usually goes on sale around the same price as what you've got picked out.
positive · u/C****3 · r/buildapc · comment · Mar 24, 2026 · open on Reddit ↗
Seems like the max draw would be ~550w. I'm more concerned about any potential degradation over the years but the PSU was no slouch back in the day (been running a 1080TI since day 1), so would think it would still hold up.
mixed · u/F****G · r/buildapc · comment · Mar 17, 2026 · open on Reddit ↗
PSU: 650W 80+ Gold modular (e.g., Corsair RM650x, Seasonic Focus GX-650, or Thermaltake Toughpower GF3) — ~$80–$100 Fully modular for clean cables, plenty of headroom, reliable.
positive · u/C****5 · r/buildapc · comment · Mar 1, 2026 · open on Reddit ↗
yes it may work, but it's not a good idea, i would say go fo min 850W A tier PSU
negative · u/G****2 · r/buildapc · comment · Mar 17, 2026 · open on Reddit ↗
till i found a corsair RM650xfor a good deal, and automagically after changing the PSU performace got back to normal.
positive · u/G****2 · r/buildapc · comment · Mar 16, 2026 · open on Reddit ↗

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