dmel642
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I saw Linustechtips video where he said that even 850W is not enough for the 3090 but then he showed that it ranges from 350 to 375W of power consumption when overclocking. That doesn't seem so bad considering it's less than half the power limit. Am I missing something here? What would happen if I run the 3090 on my Corsair RM 850W ATX gold Modular Power Supply and it goes above the power limit? Would it even reach the limit? I got the EVGA RTX 3090 FTW3 Ultra which is factory OCed. I don't plan to overclock it any further.
post edited by dmel642 - 2020/09/24 20:31:13
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Mattler
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/24 20:47:54
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I believe so. I think they are saying 750w is okay.
I could be wrong.
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AnonymousGuy
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/24 20:56:49
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You'll be fine.
Even if you exceed the PSU capability, which you won't, it just clicks off for over current protection.
The only reason nowadays to have >1000W PSUs is if you want the thing to be passively cooled up to 50% load.
Workstation: 12900KF @ 5.2Ghz || MSI Pro-A Z690 DDR4|| EVGA FTW3 3090 1000W || G.Skill 3866 4x8GB || Corsair AX1200i || whole-house loop. Mining Box: HP Prodesk G1 (Haswell 4590), 3x Gigabyte 3080Ti, AX1500i @ 240V. LANRig/GuestGamingBox: 9900nonK || Gigabyte Z390 Master || ASUS TUF 3090 650W shunt || Corsair SF600 || CPU+GPU watercooled 280 rad pull only || whole-house loop. Server Router (Untangle): 8350K @ 4.7Ghz || ASRock Z370 ITX || 2x8GB 3200 || PicoPSU 250W, running on AX1200i || whole-house loop. Server Compute/Storage: 10850K @ 5.1Ghz || Gigabyte Z490 Ultra || EVGA 3060 || LSI 9280i-24 port || 4TB Samsung 860 Evo, 5x10TB Seagate Enterprise Raid 6, 4x8TB Seagate Archive Backup || whole-house loop. Laptop: HP Elitebook 840 G8 (Intel 1185G7) + 3060 Thunderbolt Dock, Razer Blade Stealth 13" 2017 (Int
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loyalty4life
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/24 23:59:14
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It’ll work great. That’s what I have.
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domjam
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 06:07:19
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what about the connections?. dose it matter if my power supply has only 2 cables? ie each cable has 2 6 + 2 pin. or do you need 3 cables each with a single 6+2 pin connected to the card as it takes three 8 pins?
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ehabash1
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 06:13:54
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I would go with more. An 850 watt psu gold is only 739 watts in actual.
This gpu alone will pull over 440watts. What cpu do you have? If you have something like a 10900k OC'd then its game over.
Also you want to leave about 10% headroom. If your constantly at the brink your psu will fail and have a short life
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chumeniuk
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 07:47:16
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ehabash1
I would go with more. An 850 watt psu gold is only 739 watts in actual.
This gpu alone will pull over 440watts. What cpu do you have? If you have something like a 10900k OC'd then its game over.
Also you want to leave about 10% headroom. If your constantly at the brink your psu will fail and have a short life
That's not true. The Corsair model in question has a 849.6W output on the 12V rail. It will actually draw more than 850W, which is the total max output, from the wall. Specs are at the bottom: https://www.corsair.com/u...pplies/p/CP-9020196-NA
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stroker425
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 07:49:36
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There are TDP calculators out there. Pcpartpicker should be able to assist with your build.
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guitarwar241
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 17:21:17
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Yep, you'll be perfectly fine with an 850w gold rated PSU.
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UnusualAttitude
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 17:23:49
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RareAir23
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 18:44:30
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Yep. 850W qualifies for the 3080 and 3090. I too have an 850W PSU (Seasonic Prime TX-850). Good choice on your PSU by the way. Out!
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chosn1
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 20:18:14
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chumeniuk
ehabash1
I would go with more. An 850 watt psu gold is only 739 watts in actual.
This gpu alone will pull over 440watts. What cpu do you have? If you have something like a 10900k OC'd then its game over.
Also you want to leave about 10% headroom. If your constantly at the brink your psu will fail and have a short life
That's not true. The Corsair model in question has a 849.6W output on the 12V rail. It will actually draw more than 850W, which is the total max output, from the wall.
Specs are at the bottom:
https://www.corsair.com/u...pplies/p/CP-9020196-NA
Damn. I am going to have to upgrade my power supply :(
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Robob
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 20:18:37
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I see only 630-640 max usage during stress tests on UPS with my setup. No issues with 750w during stress testing, or cpu overclocking so far.
post edited by Robob - 2020/09/25 20:26:13
CPU - Intel i7 10700K @ 5Ghz / 1.29v Heatsink - EVGA 280mm CLC Motherboard - EVGA Z490 FTW (V1.10) RAM - 32Gb Corsair LPX DDR4 3200Mhz GFX - EVGA RTX 3090 FTW3 Ultra (10Ghz Mem/2100Mhz Core) SSD - Samsung 970 Pro 512GB M.2 PSU - EVGA G3 750w Case - Corsair Carbide 678C Monitor - LG 27GN950B 4k@144Hz OS - Win 10 Pro x64 HID - Corsair K70 / EVGA X17 HMD - Valve Index & Controllers Past EVGA MB - 680i/750i/Z68 Past EVGA GFX - 8800/275/560Ti/680SC/Titan(Kepler)/1080Ti
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INGREDCOLD
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 20:24:10
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I just install an 850 yesterday hope it enough
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chosn1
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 20:35:41
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Hmmm 750w Seasonic Gold. Actually seems like I'm actually right on the cusp. Seems like a good excuse to upgrade :)
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chosn1
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 20:36:44
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Robob
I see only 630-640 max usage during stress tests on UPS with my setup. No issues with 750w during stress testing, or cpu overclocking so far.
Ok awesome. This is really good to know. That is a fair amount of headroom too.
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vgerik1234
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 21:25:31
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dmel642
I saw Linustechtips video where he said that even 850W is not enough for the 3090 but then he showed that it ranges from 350 to 375W of power consumption when overclocking. That doesn't seem so bad considering it's less than half the power limit. Am I missing something here?
What would happen if I run the 3090 on my Corsair RM 850W ATX gold Modular Power Supply and it goes above the power limit? Would it even reach the limit?
I got the EVGA RTX 3090 FTW3 Ultra which is factory OCed. I don't plan to overclock it any further.
During my OC adventure of my 3090, I measured: PCIE - 75W 8pin port 1: 120W port 2: 118W port 3: 140W. So the GPU alone was drawing ~450 watt in total. This was tracked using GPU-Z, OC switch on the board, +100 voltage setting, and max Power target slider. So if you don't plan on overclocking it, you should only be using ~350W. I was tracking about 100W max on each 8pin with my stock settings. 850 should suffice just fine as long as you don't OC past stock.
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slvrcrz
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 22:32:14
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hello so i recently got my FTW3 ultra today, i tried plugging it in, but it doesnt boot up, there are 4 red lights on right on top of the 3x 8 pin connector, any ideas ?
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Mattler
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 22:47:06
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slvrcrz
hello so i recently got my FTW3 ultra today, i tried plugging it in, but it doesnt boot up, there are 4 red lights on right on top of the 3x 8 pin connector, any ideas ?
Power supply doesn't have enough power or an old PSU you got.
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slvrcrz
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 22:51:11
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I bought a new corsair 750w is it still not enough ? And i tried plugging it in still no dice at first i tried the 650w
Edit its a 3080 ftw ultra
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Frankfraga
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 22:51:25
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I dont know those 3090's being OC are pulling a fair bit of power. I guess you'll be able to run it till a certain point but it should run.
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Mandalorian1977
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 23:47:51
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I have the Corsair 750mx. And i'm hoping that will be enough!
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dcell
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/25 23:51:13
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stroker425
There are TDP calculators out there. Pcpartpicker should be able to assist with your build.
Dude, I love Pcpartpicker. I use it for every build now. I wish I had a 3080 to build around now....
12G-P5-3967-KR 6/3/2021 10:47:02 AM PT No12G-P5-3969-KR 6/3/2021 10:46:49 AM PT No12G-P5-3968-KR 6/3/2021 10:46:37 AM PT No12G-P5-3958-KR 6/3/2021 10:46:16 AM PT No10G-P5-3897-KR 10/8/2020 1:01:45 AM PT10G-P5-3895-KR 10/8/2020 1:03:50 AM PT 10G-P5-3898-KR 1/30/2021 5:30:33 PM PT 10G-P5-3888-KR 2/10/2021 1:35:14 PM PT
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jmehalik
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/26 07:56:11
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should be okay, if there are issues 1000w should have none.
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ehabash1
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/26 08:35:51
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chumeniuk
ehabash1
I would go with more. An 850 watt psu gold is only 739 watts in actual.
This gpu alone will pull over 440watts. What cpu do you have? If you have something like a 10900k OC'd then its game over.
Also you want to leave about 10% headroom. If your constantly at the brink your psu will fail and have a short life
That's not true. The Corsair model in question has a 849.6W output on the 12V rail. It will actually draw more than 850W, which is the total max output, from the wall.
Specs are at the bottom:
https://www.corsair.com/u...pplies/p/CP-9020196-NA
Thats NOT how it works. Think of it like a car. If you have a 500hp car, even if its a bmw and they under rate the horsepower, there is efficiency loss once it hits the crank. They is no way you can get 500hp to the wheels Yes that psu is 850 watts but thats not what you will get https://www.techpowerup.c...%20at%20100%25%20load.
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_deth_
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/26 08:41:29
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Only reason to go higher is if you want to expand on your build - Like going SLI or something, or you got a chip that really eats power. What kind of CPU and MOBO are you running anyway?
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ehabash1
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/26 08:42:17
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we have a guy on this forum who confirmed that his 3090 ftw3 is pulling 460+ watts. That would leave you with very limited headroom especially if your using a 9900k or 10900k Asus is so worried about they power draw and ppl using inadequate psu's that they are including sensors to make sure its getting enough power. I'm sure you will be fine it wont shut down with that psu. Since you said you dont plan to OC im guessing your the type to also not OC your cpu/limited OC as well. In this instance you will be fine
post edited by ehabash1 - 2020/09/26 08:51:09
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enewt
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/27 17:16:30
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850 Gold from a reputable manufacturer will be fine.
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williamr86
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/27 19:13:05
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Yes, you will be "Golden" (sorry for the bad pun).
 Enjoy Discounts on EVGA items with Discount code: 0HGRCPSXNTZ58R3
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tristanmag
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Re: Is my 850W Gold PSU enough for a FTW3 Ultra?
2020/09/27 19:15:48
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Yes. That psu is more than sufficient even if you plan to do some overclocking.
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