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Thread: Mini ITX build with 850watts?

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    Default Mini ITX build with 850watts?

    Bare with me when I try to lay out the specs for my unfinished build as well as I could...

    Currently, I only have the main components for my newest build, and will later be figuring out what to get as far as water cooling is concerned [fairly new to custom loops]; I'm also unfamiliar with pump current draw, so please aid me with this. But from what I've read on this forum so far, everything but the CPU and GPU has a very minimal impact upon the actual required power for running the PC properly. I planned 850W to achieve idle/browsing fanless, but after reading this forum it seems a bit overkill.

    ANYWHO, here it is.

    MOBO: Asus ROG Strix Z390-I Gaming Mini ITX
    CPU: i7 8700k; planned OC 4.9/5ghz [1.3-1.35v?]
    GPU: GTX 2080ti
    RAM: G skill trident Z RGB 16gb 3200mhz
    SSD: Samsung 970 evo + 860 evo
    Cooling: Custom water loop [very specific I know]

    Budget: ∞

    I'm willing to pay extra for stable voltage, and better 80+ rating. Thank you in advance!

    [Also don't worry about size, my case fits standard up to 190mm.]
    Last edited by Patteh; 05-06-2019 at 08:22 PM.

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    What case are you using? If you have to use an SFX PSU then a Corsair SF Platinum 600w is fine, 750w exists but is a bit expensive... If you can use compact ATX PSUs then there are many other options like the Bitfenix Whisper Series, Corsair RMx/i series etc...
    Just some nerd from 'Straya

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    Patteh (05-06-2019)

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    Quote Originally Posted by awesomegamer919 View Post
    What case are you using? If you have to use an SFX PSU then a Corsair SF Platinum 600w is fine, 750w exists but is a bit expensive...
    Quote Originally Posted by Patteh View Post

    [Also don't worry about size, my case fits standard up to 190mm.]

    Quote Originally Posted by Patteh View Post
    Bare with me when I try to lay out the specs for my unfinished build as well as I could...

    Currently, I only have the main components for my newest build, and will later be figuring out what to get as far as water cooling is concerned [fairly new to custom loops]; I'm also unfamiliar with pump current draw, so please aid me with this. But from what I've read on this forum so far, everything but the CPU and GPU has a very minimal impact upon the actual required power for running the PC properly. I planned 850W to achieve idle/browsing fanless, but after reading this forum it seems a bit overkill.

    ANYWHO, here it is.

    MOBO: Asus ROG Strix Z390-I Gaming Mini ITX
    CPU: i7 8700k; planned OC 4.9/5ghz [1.3-1.35v?]
    GPU: GTX 2080ti
    RAM: G skill trident Z RGB 16gb 3200mhz
    SSD: Samsung 970 evo + 860 evo
    Cooling: Custom water loop [very specific I know]

    Budget: ∞

    I'm willing to pay extra for stable voltage, and better 80+ rating. Thank you in advance!

    [Also don't worry about size, my case fits standard up to 190mm.]
    At this moment the Corsair HX750i is a great choice for 120 dollars after rebate on Newegg.
    https://www.newegg.com/Product/Produ...82E16817139084

    Review:
    https://www.techpowerup.com/reviews/Corsair/HX750i/

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    Patteh (05-06-2019)

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    Quote Originally Posted by awesomegamer919 View Post
    What case are you using? If you have to use an SFX PSU then a Corsair SF Platinum 600w is fine, 750w exists but is a bit expensive... If you can use compact ATX PSUs then there are many other options like the Bitfenix Whisper Series, Corsair RMx/i series etc...
    Would 600w really be sufficient? Even if I'm running games 3-4hrs? I failed to mention I'm also trying to aim for best bang for buck as far as quiet fans go..

    Quote Originally Posted by -The_Mask- View Post
    At this moment the Corsair HX750i is a great choice for 120 dollars after rebate on Newegg.
    https://www.newegg.com/Product/Produ...82E16817139084

    Review:
    https://www.techpowerup.com/reviews/Corsair/HX750i/
    Microcenters got 2 refurbed near me.. May just pick one up!

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    Quote Originally Posted by Patteh View Post
    Would 600w really be sufficient? Even if I'm running games 3-4hrs? I failed to mention I'm also trying to aim for best bang for buck as far as quiet fans go..
    If you don't overclock the graphics card and don't have an RTX 2080 Ti with a really high power limit a high-end 600W should be OK.
    Microcenters got 2 refurbed near me.. May just pick one up!
    Is it much cheaper? Like for example 75 dollars or less? Otherwise it isn't worth to go for a refurbished power supply.

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    Quote Originally Posted by -The_Mask- View Post
    If you don't overclock the graphics card and don't have an RTX 2080 Ti with a really high power limit a high-end 600W should be OK.

    Is it much cheaper? Like for example 75 dollars or less? Otherwise it isn't worth to go for a refurbished power supply.
    Boi am I a mess. I do plan to overclock the gpu as well. Guess I'll stick to 750 or more.

    And unfortunately no, I just checked and it's only $20 cheaper than Newegg before the rebate. Totally not worth the risk.

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    As asked earlier

    http://www.jonnyguru.com/forums/show...046#post157046

    do you need a small form factor power supply to go with your small mother board?

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    That has been answered two times.

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    Patteh (05-06-2019)

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    Decided to put some heavy emphasis on the info that keeps getting missed.

    I'm currently looking at;
    1- Corsair HX750i
    2- Seasonic PRIME 750 platinum
    3- Seasonic PRIME 750 titanium

    Not entirely sure if the $50 extra from platinum to titanium would be worth the efficiency, especially considering the time it'd take to offset the cost/savings [projected 4-5 years].

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    The two Primes aren't really better. Sure the Titanium is more efficient, but like you said it will take a some time to get the cost difference back. I would go for the Corsair HX750i, it's a high quality power supply, which delivers good performance and it is also really silent. Plus it has multiple OCP's on the 12V and you can monitor efficiency, power consumption and voltage regulation throughout Corsair Link.

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