I have a 650w, single 12v rail PSU, is it good enough to run the ASUS GTX 770 and i5 4670k?

So I have the Ultra LSP 650w Power Supply, I'm fairly certain that it meets the requirements for both the i5 4670k, and the ASUS GTX 770 but I'm concerned with the single rail only putting out 38A. It has both the 6 and 8 pin requirements, but I feel like I'm missing something.
Should I be concerned and upgrade to something else? Or am I being paranoid?
Thanks guys.
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More about 650w single 12v rail psu good run asus gtx 770 4670k
  1. Nvidia recommends a 600 watt PSU with at least 42 amps for a 770.

    I would upgrade to a new PSU if I were you. That PSU is pretty pathetic for a "650 watt."
  2. Best answer
  3. Ya, the unit you have only has 38 amps on the 12v. I would go with something over 50 imo. Like smorizio said go with Corsair. They have decent prices and good units. The one he linked is not bad at all.
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