9 Legend

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47K Posts

July 3rd, 2021 00:00

Dell power supplies have 140 - 225W combined power on the 3.3v/5v rails

Power supplies are not a single rail nor a single spec of watts.

Thats why EVGA 700BR 100-BR-0700-K1 is bare minimum recommended unit.

evga700BR.png

Smaller units even from EVGA only have 90 to 130W combined on those rails. Some vendors units even 1000W have insufficient power on those rails.

https://www.evga.com/products/product.aspx?pn=100-BR-0700-K1

https://www.bestbuy.com/site/evga-br-series-700w-atx12v-eps12v-80-plus-power-supply-dc-dc-technology...

Also keep in mind that power supplies like video cards are counterfeited so only buy retail or from trusted vendor.

EVGA, Corsair, etc  will not fix or cover damage from fake power supplies. GAMEMAX GM-700 only has 20Amps not 25Amps and 120w not 140W to 225w

Dell 875w has 32 Amps on 5v and 30 Amps on 3.3v 225w max

5vsb on this unit is 4 Amps whereas Game Max is 2.5 Amps

The 3.3v/5v combined power goes UP as the overall power goes up.

Take note of INTEL spec for 300W

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dell 305w.pngGAMEMAX.pngDELL 875w.png

 

7 Technologist

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9.4K Posts

July 12th, 2021 14:00

As long as you stick to a 75w card, it might be your best bet to get the Dell original 275w PSU.

I linked the Tech Guide so you would see that your 9010 is perfectly capable of running a 75w GPU.  Please see screengrabs from the Tech Guide:

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A few notes to gather.  Max for the PCIe x16 blue slot is 75w.  Any higher watt GPU would require higher watt PSU.

If you do buy a higher watt PSU, besides making sure it's a good brand name, note the voltage on the 3.3v/5v rails, also the 5v aux. rail.  A replacement PSU needs to have at least that much power on those rails.  More so for a higher than 75w PSU.

One does not need a 700w PSU for a 75w card.

To translate watts listed, like where they say the PSU has 10a on the 3.3v rail - Volts x Amps = Watts.  So there's 33w on that rail.  5v x 13a = 65w.  33w + 65w = a combined 98w on the 3.3v//5v rails.

https://www.amazon.com/EVGA-100-BR-0450-K1-Bronze-Power-Supply/dp/B07DTP6SLJ/ref=mp_s_a_1_3?dchild=1&keywords=450+watt+evga+br+power+supply&qid=1626125019&sr=8-3 

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Even on the 700w EVGA BR PSU, it also has 3a on the 5vsb rail, so you're good to go.

1 Rookie

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11 Posts

June 26th, 2021 14:00

Yeah I figured 700 is enough. Luckily I’ve come across several used ones... Wich may likely be the problem. The first one I bought was brand new and 450 watt, so I’ll take that as “it was too underpowered” the second one looked like it came out of a stock system. It was a 650 watt. Then I took it to a pc shop, the guy cleaned it up for me and I discussed my issue and he carefully examined my motherboard and told me it was fine(I believe I’ve examined it pretty close myself) and then he mentioned it could be overheating, then gave me a used 700watt unit Wich was slightly damaged on the outside. I took it apart and bent everything back into place, put it back and installed into my case, started up great no issues for 2 weeks. Was producing music for 3 straight hours then it died. But I simply don’t think it’s overheating. No I wasn’t looking at the temp when it shutdown last, but I’m sure it couldn’t have been above 80. So I’m still unsure and starting to worry about my motherboard... or I’m simply missing something simple like cheaping out on a psu. I’m at a loss..

9 Legend

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12.6K Posts

June 26th, 2021 14:00

Overheating, A short in the system wiring or one of the components? I would carefully examine every inch of the system and check for any possible points where it could short. A PSU of 700W is more than enough to power that system. However are you using genuine Dell PSUs or a name brand PSU? Any quality name brand PSU will have at the least a 5 year warranty. If you buy 80+ (and you should consider nothing else) they always have a good warranty and are reliable. There are a lot of 3rd party PSUs that are simply not worth the cost.

9 Legend

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12.6K Posts

June 26th, 2021 15:00

To be quite honest of all the budget components you can buy for a system, the PSU is not one of them. That is the heart of the system and you should always buy new and quality. EVGA, Corsair, Seasonic, just to mention a few. And always as I stated 80+. With new if something goes wrong you have a warranty of at least 5 years and in many cases of 10 years.

1 Rookie

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11 Posts

June 26th, 2021 16:00

image.jpg

This is the most recent one that went out, also I should mention I have yet to have paid for any of the psus except for 1 so far. So I got lucky there I guess. I was given this one by the pc shop guy.      The 450 watt one I had originally was evga brand but like I said I’ll take that as “insufficient wattage.”

1 Rookie

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11 Posts

June 30th, 2021 11:00

So i took it to the pc repair shop again. He said at this point it’s gotta be the wiring in my house...

how do I test this? I have a multimeter and little knowledge on wiring lmaoo. I’m not ignorant though

7 Technologist

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9.4K Posts

July 2nd, 2021 21:00

If want to test your house wiring, use a simple tester with lights that plugs into the outlet.  https://www.amazon.com/s?k=outlet+tester&ref=nb_sb_noss 

Optiplex 9010 Tech Guide 

The standard 275w PSU in a 9010 MT is enough to power a 75w GPU card.  Going through that many PSU's is no coincidence.  Either an internal or external short would do it.  Is the power cord still in good condition?

7 Technologist

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9.4K Posts

July 3rd, 2021 10:00

I'm going to second or third that a better brand name other than Gamemax be used for a PSU like EVGA, Corsair, etc.  Definitely don't want to just go cheap.

As for the EVGA 450w PSU you tried, it's entirely possible one or more rails had insufficient wattage.  In reviewing your first post, I was reminded that you're running 32GB RAM.

1 Rookie

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11 Posts

July 3rd, 2021 11:00

I also suspect the evga 450 watt psu was defective brand new... it had always made a Loudish ring or whine. 

1 Rookie

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11 Posts

July 3rd, 2021 11:00

Yes so, I’ve come to the conclusion that it’s gotta be the wiring in my home. It would make sense cause this only started to happen at the new house I moved into. So I bought a surge protector hoping this is somewhat of a fix. So I guess all there is to do now is go buy another power supply 🤦‍

1 Rookie

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11 Posts

July 12th, 2021 13:00

So what your saying is; my motherboard only utilizes the 3.3 and 5 v rails? And most power supplies use more wattage and amps on the 12v rail? In that case, what do I need to look for for a new psu?

1 Rookie

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11 Posts

July 12th, 2021 16:00

Oh okay I totally understand now haha. When modifying my pc originally, I had almost no clue as to how everything worked. The last modification I went with was the psu lol... Had I know all of the info you’ve just given me I wouldn’t be here. Thank you so much for educating me on the basics of wattage/amperage/volts and such. Will need to go over it a few more times to retain all that info lol

7 Technologist

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9.4K Posts

July 12th, 2021 16:00

I hope it all works out, and I think it will.  Imagine smiley face emoji here.  Emojis got removed from Dell Community.  PC's sure can be a learning experience.

Couple of easy ways to save knowledge gained is bookmark this thread or print it, and a third - screengrab.

I still suggest testing the house wiring with one of the outlet testers I linked.  They're super easy to understand.

9 Legend

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47K Posts

July 12th, 2021 17:00

"So what your saying is; my motherboard only utilizes the 3.3 and 5 v rails? And most power supplies use more wattage and amps on the 12v rail? In that case, what do I need to look for for a new psu?"

What I am saying is that DELL systems use EPS12v power supplies that have AT LEAST 140W combined for the 3.3v/5v rails. Slot power is based on 4 slots. Some slots are 25W max.

Power supplies are not a simple rail with a single spec of watts.

As the units get larger this power range goes up to 225W.

EVGA 450 500 650 units have insufficient combined power on the 3.3v/5v rails.

EVGA's power supply 700BR meets that spec.  Smaller units even from EVGA do not.

3.3v and 12v rails are used in many places including the 75W pci-e Slot

5v is used by the motherboard USB, RAM, and sata drives as is 3.3v and 12v

There are Multiple 5v rails.  One is standby and one is what the system runs on.

SLOT POWER.pngCARDS.JPG

 

DELL 305W

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