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PSU Requirement for Xfire 7970 vapor-x OC + i7-3770k OC to 4.7

as title says, But please only give me your openion if your 100% sure, it's the second time i ask this question as 2 from tom's team has told me different facts.
my system is z77 motherboard , noctua 14d , XF vapor-x 7970 OC to minimum of 1170, and i7-3770k to 4.7, i will add some extra fans too i heared they take some power but they are usefull, any way please let's end this arguments about the psu requirements once and for all
if you could tell me what is minimum and what is max psu requirement
also incase you know how much would a 7970 vapor-x (non overclocked) use
and how much would it use lets say at 100 Mhz gain , doen't matter how much i just need few hints
9 answers Last reply Best Answer
More about psu requirement xfire 7970 vapor 3770k
  1. There is no such thing as a max PSU requirement. Also, unless you list all the components in your build, I cannot list a minimum. Obviously, minimum can be easily broken if you add more components. It's dependent on what your build consists of.
  2. let's see
    motherboard: let's say ASUS SABERTOOTH Z77 most likely
    gpu:XF 7970 vapor-x OC
    harddrive: 1 tb WD blue
    cpu: i7-3770k overclocked
    ram : corsair vengence 8 gb (8x1) ( in future i will add another 8 gb tho )
    case: HAF 912 ( there is a chance that i'd get HAF-X or CM-trooper) not sure if it matters tho
    monitor: samsung s23a700d
    cooler: Noctua 14d
    i might add 1 or two fans to the case if they are usefull too as people say it's good to have like a 200mm fan
    need me to mention any others ?
  3. hmm and asuper multi drive that is like 15$ nothing special
  4. ksham said:
    There is no such thing as a max PSU requirement. Also, unless you list all the components in your build, I cannot list a minimum. Obviously, minimum can be easily broken if you add more components. It's dependent on what your build consists of.

    and now ? what do you think


    Don't...

    Bump posts


    http://www.tomshardware.com/forum/283384-33-read-first
  5. I say the XFX 550W is more than sufficient. GPU will use 210W. CPU will use 77W, motherboard will use about the same as CPU, and everything else is less than 100W. Add a bit of extra room for OC.

    If you have access to Newegg, the XFX 550W is only $39.99 until tomorrow.
  6. i guess i will go with the xfx 850 its better any way than paying 115$ more for a 1050 cpu, i thought of it because even if i overclock i would get about 12.5% performance increase at max and with 2 gpus that is 25% performance of 1 card performance increase and compared to the gpu price is 400$ ( or so new price ) getting 25% isn't worth it as am paying 115$ which is 25% of it's price actually more, i would only stress my gpu and all, so when you think of it, it wont really do me good, what i can do is simply oc them to like 1130 or so even if 1150 and then i wouldn't stress my xfx 850 watt if indeed it cant handle OC high so i would gain bonus performance with out having to pay any thing and also that way is safer since i wont shorten my gpu's lifespan due to high overclock, what do you think
  7. Best answer
    I think your entire post above and logic is flawed. Doesn't make sense.
  8. that's it then am going with the xfx 850 watt, thanks ksham :D, dam am so smart if i could choose my self as best answer i would
  9. haha, nothing wrong with believing in yourself. :) Best of luck.
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