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Thread: Corsair RM750i - 750W Power Supply

  1. #11
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    Quote Originally Posted by jonnyGURU View Post
    You can use Type 3 cables, but the ripple is about 30~40mV at full load instead of ~10mV.

    That's why I was curious about Kit Guru's findings. Either they didn't use the Type 4 cable set or they had a USB oscilloscope plugged into the same PC that was running Link.
    Does custom extensions affect on ripple the same way?

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    Depends on the cables!

    The farther away from the load the caps are, the worse the ripple. For example: 10mV with them right at the motherboard. About 20mV with the caps half-way down the cable like CableMod's and, like I said earlier, 30 to 40mV if there are no capacitors.

    All and all... a very, very small amount of ripple for a switch-mode PSU.

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    ehume (05-08-2016), legadema (05-09-2016)

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    I thought to add 2 8pin GPU ,and 24pin extensions both of them will be 30 cm long... I didn't know that choosing right PSU would be so hard for me...I calculate that 750W would be enough for me , 850W,more than enough...Also i know that my power consumption will be about 500 W but i want PSU for future upgrades...
    First i wanted Corsair AX760i or 860i,than i look for EVGA supernova 750 p2/850p2 ,and then i saw Corsair RM series...That is how i started to watch Jonnyguru reviews Can you give me advice for my system ?

    Intel skylake i7 6700K
    Asus maximus VIII formula
    ASUS geforce gtx 980 TI strix
    2x8 GB G.skill trident Z 3200
    Corsair H100i GTX
    One SSD, 2 HDD
    That is for main main components...

    I am waiting for other components and thinking about PSU
    Last edited by legadema; 05-09-2016 at 05:57 AM.

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    With just 1 (one) GTX 980Ti Strix you should draw 420-450W at most, in real life scenarios: I've taken into account well executed OC of both CPU and GPU.
    So any 500-550W high quality PSU is appropriate.
    Best, Luca

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    Yes but like i said in one or two years maybe i will add one more GPU ,so maybe from that perspective it would be good to buy 750W PSU?

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    Quote Originally Posted by legadema View Post
    Yes but like i said in one or two years maybe i will add one more GPU ,so maybe from that perspective it would be good to buy 750W PSU?
    That "maybe" is one of the least probable ones, usually: who goes for SLI, does that since scratch, after two years if often better replace the old card.
    You should expect a max increase of about 150W DC for the second card, so do what you think best.
    Best, Luca

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    Ok tnx i will consider all that...

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    I saw that cablemod make full cables with "100% solid-state capacitors" ,are they solution ?
    Edit: Sorry you answered on that question...
    Last edited by legadema; 05-09-2016 at 12:13 PM.

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