EVGA

Hot!850W PSU for ~680W load

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snowdemon14
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2020/12/24 17:50:45 (permalink)
Hey all,
 
I upgraded my GPU to a 3090 FTW3 Ultra Hybrid and I'm currently running a Ryzen 3900x with a 5950x on the way. My PSU I bought back in 2014 is the EVGA G2 850W and has been a fantastic PSU. With the upgrade I was wanting to make sure I had enough head room so I picked up a EVGA G5 1000W from Newegg. It has been a pain. Eco mode does not work, the fans ramp up and down on idle and then it would randomly slam my PC to sleep (Ram RGB was still lit up like it was sleeping) and I could not power it on unless I switch the main power off and back on again. Off Eco mode works, just makes a slight buzzing noise under load. The PSU is for sure defective but I've had speed bump after speed bump with this build and I'm kinda over it, so would going back to my G2 850W PSU be enough? I used a Kill-A-Watt tonight and did not see it hit 700W, but close at 680W under a time spy benchmark and using obs to slam the CPU with encoding. Am I giving myself enough headroom with the older G2 850W or should I go through the process and get a replacement G5 1000W?
#1

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    bob16314
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    Re: 850W PSU for ~680W load 2020/12/25 02:08:13 (permalink)
    680W draw on an 850W unit is fine, but might run hotter and have more fan noise under load than a 1000W unit..A G5 1000W has a 10-year warranty, so you could either return it to Newegg for replacement/refund (if you still can) or RMA it to EVGA, whichever works better for you.
     
    EVGA specs recommend a 750W or greater PSU when running a 3090 FTW3 Ultra Hybrid, but that's based on what EVGA thinks is an 'average' PC.

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    #2
    RickJamesBish
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    Re: 850W PSU for ~680W load 2020/12/26 03:19:07 (permalink)
    bob16314
    EVGA specs recommend a 750W or greater PSU when running a 3090 FTW3 Ultra Hybrid, but that's based on what EVGA thinks is an 'average' PC.



    Yet when I use the Power Meter provided by EVGA and enter my system specs, which include an evga 3090, it recommends a 650 watt.  Go figure.
    #3
    snowdemon14
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    Re: 850W PSU for ~680W load 2021/02/02 13:15:05 (permalink)
    So I decided that I wanted to try the XOC BIOS for my 3090, which would probably put me well into stressing the 850W PSU limit and without the XOC BIOS the fan on my G2 850 was ramping up while under heavy load. So I bought another G5 1000w PSU, while the ramp up and down on ECO is not near as bad as my first one, it still happens. Plus side is the computer doesn't get slammed into a weird sleep mode with this one. I'm going to guess the fans full ramp up and down is just ECO wonkiness and just live with it or live without ECO mode on. Hoping to put my computer on Modrigs soon...still waiting on my damn CPU 
    #4
    kevinc313
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    Re: 850W PSU for ~680W load 2021/02/04 05:28:20 (permalink)
    Have you read the reviews of the G5 1000w?  I bought one and returned it unopened after reading the reviews.  Have a 1300w Prime gold now.  Minimum EVGA I'd use with your setup is a 1000w P2.
    #5
    snowdemon14
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    Re: 850W PSU for ~680W load 2021/02/04 10:04:36 (permalink)
    kevinc313
    Have you read the reviews of the G5 1000w?  I bought one and returned it unopened after reading the reviews.  Have a 1300w Prime gold now.  Minimum EVGA I'd use with your setup is a 1000w P2.


    Yeah after diving into it more I did find reviews which are less than favorable...the downside to all of this is I cant find a 1000w P2 at a reasonable price meaning close to what EVGA has it listed on their site. It sounds like the G3 was leaps and bounds better than the G5, and I can pick one up on amazon for $10 more than I bought the G5, worth it??
    #6
    kevinc313
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    Re: 850W PSU for ~680W load 2021/02/04 11:38:31 (permalink)
    snowdemon14
    kevinc313
    Have you read the reviews of the G5 1000w?  I bought one and returned it unopened after reading the reviews.  Have a 1300w Prime gold now.  Minimum EVGA I'd use with your setup is a 1000w P2.


    Yeah after diving into it more I did find reviews which are less than favorable...the downside to all of this is I cant find a 1000w P2 at a reasonable price meaning close to what EVGA has it listed on their site. It sounds like the G3 was leaps and bounds better than the G5, and I can pick one up on amazon for $10 more than I bought the G5, worth it??




    1000W G3 is a good bet.
    #7
    tropmonky
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    Re: 850W PSU for ~680W load 2021/02/04 18:41:35 (permalink)
    I always thought running around 80% of the rated PSU was around the sweet spot?
    #8
    wmmills
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    Re: 850W PSU for ~680W load 2021/02/04 19:28:00 (permalink)
    tropmonky
    I always thought running around 80% of the rated PSU was around the sweet spot?


    50 -70% of the units rated wattage is the "sweet spot". @the OP: Why not just get one of these:https://modmymods.com/modmymods-24-pin-dual-power-supply-adapter-cable-30cm-black-mod-0210.html  and you can run both psu's in your rig and power WILL not be a worry again.  
    post edited by wmmills - 2021/02/04 19:37:47

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    #9
    tropmonky
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    Re: 850W PSU for ~680W load 2021/02/04 19:29:20 (permalink)
    wmmills
    tropmonky
    I always thought running around 80% of the rated PSU was around the sweet spot?


    50 -70% of the units rated wattage is the "sweet spot".


    Sweet, great info to know!
    #10
    kevinc313
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    Re: 850W PSU for ~680W load 2021/02/04 19:52:07 (permalink)
    tropmonky
    I always thought running around 80% of the rated PSU was around the sweet spot?




    Maybe on Reddit.  Many people on here are running PSU's rated about double their max system power draw.
    #11
    snowdemon14
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    Re: 850W PSU for ~680W load 2021/02/04 22:45:49 (permalink)
    PSU's are crazy too right now. If your not buying direct or direct from Amazon/Newegg the prices are insane from third party sellers, but everything not third party is all sold out. I have till March 2nd to return the G5 1000w to Amazon. I'm not happy with it so far but I'm up and running which counts. I'm also using custom cables from CableMod which is why I was trying to stick to a EVGA PSU so I wouldnt have to buy new cables.
    #12
    kevinc313
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    Re: 850W PSU for ~680W load 2021/02/05 07:28:39 (permalink)
    snowdemon14
    PSU's are crazy too right now. If your not buying direct or direct from Amazon/Newegg the prices are insane from third party sellers, but everything not third party is all sold out. I have till March 2nd to return the G5 1000w to Amazon. I'm not happy with it so far but I'm up and running which counts. I'm also using custom cables from CableMod which is why I was trying to stick to a EVGA PSU so I wouldnt have to buy new cables.




    Yeah I saw that.  If you're already paying $300 for a unremarkable 1000W Gold psu, you should be willing to pay $450 for a 1500w Titanium Psu that is widely regarded as world class:
     
    https://www.newegg.com/corsair-ax1500i-cp-9020057-na-1500w/p/N82E16817139079
     
    BUY NOW.
     
    Edit: Gone.
    post edited by kevinc313 - 2021/02/05 11:33:34
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    snowdemon14
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    Re: 850W PSU for ~680W load 2021/02/05 13:00:57 (permalink)
    kevinc313
    snowdemon14
    PSU's are crazy too right now. If your not buying direct or direct from Amazon/Newegg the prices are insane from third party sellers, but everything not third party is all sold out. I have till March 2nd to return the G5 1000w to Amazon. I'm not happy with it so far but I'm up and running which counts. I'm also using custom cables from CableMod which is why I was trying to stick to a EVGA PSU so I wouldnt have to buy new cables.




    Yeah I saw that.  If you're already paying $300 for a unremarkable 1000W Gold psu, you should be willing to pay $450 for a 1500w Titanium Psu that is widely regarded as world class:
     
    https://www.newegg.com/corsair-ax1500i-cp-9020057-na-1500w/p/N82E16817139079
     
    BUY NOW.
     
    Edit: Gone.




    I paid $199 from Amazon for the G5 1000w. I'm not in the business of overpaying MSRP. Haven't started with the crap shoot of 2020/2021 not going to start now.

    Not sure I'm going to need 1500w. I'm guessing I'll be pulling around 750w when its all said and done with the XOC bios, which puts me at the top end of the sweet spot
    post edited by snowdemon14 - 2021/02/05 13:38:48
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    kevinc313
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    Re: 850W PSU for ~680W load 2021/02/10 21:41:17 (permalink)
    snowdemon14
    kevinc313
    snowdemon14
    PSU's are crazy too right now. If your not buying direct or direct from Amazon/Newegg the prices are insane from third party sellers, but everything not third party is all sold out. I have till March 2nd to return the G5 1000w to Amazon. I'm not happy with it so far but I'm up and running which counts. I'm also using custom cables from CableMod which is why I was trying to stick to a EVGA PSU so I wouldnt have to buy new cables.




    Yeah I saw that.  If you're already paying $300 for a unremarkable 1000W Gold psu, you should be willing to pay $450 for a 1500w Titanium Psu that is widely regarded as world class:
     
    https://www.newegg.com/corsair-ax1500i-cp-9020057-na-1500w/p/N82E16817139079
     
    BUY NOW.
     
    Edit: Gone.




    I paid $199 from Amazon for the G5 1000w. I'm not in the business of overpaying MSRP. Haven't started with the crap shoot of 2020/2021 not going to start now.

    Not sure I'm going to need 1500w. I'm guessing I'll be pulling around 750w when its all said and done with the XOC bios, which puts me at the top end of the sweet spot





    Sorry, when I looked the other day the G5 was $290 and the G3 was $300, so I gathered that you had bought from a 3rd party seller at the inflated prices.  Now the G3 is $370.  That 1500w Corsair at $450 MSRP was a good deal, especially in the current market and your system, plenty of people on here run high end PSU's like that.  You need to hunt daily for stock of nice PSU's to catch one at MSRP, at least until bitcoin crashes.  I looked for about a week before I found my 1300w Prime Gold, but that was back in the fall.  Many people run PSU's rated for double their max load.
    post edited by kevinc313 - 2021/02/12 05:52:09
    #15
    Noodle 1
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    Re: 850W PSU for ~680W load 2021/02/12 00:19:14 (permalink)
    LTT recommended that you actually go 20% above the minimum wattage due to Ampere's tendency to power spike so bigger serves a functional purpose in this case.
    #16
    CLL1990
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    Re: 850W PSU for ~680W load 2021/02/16 01:24:36 (permalink)
    200-400W is my comfort zone for a buffer

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