[SOLVED] Does 380watt power supply enough to power the nvidia 8800gt

[Hello Guys]

so recently i buy nvidia 8800 gt now i dont know how many watt i need i only have a 380watt power supply is it enough.

 

[Karadjgne]

I had an XFX 8800GT 512 Alpha Dog edition, 6pin pcie, man that card was awesome. Back in the day.

Unless it's an actual nvidia reference card you have, any of the partner cards expect upto a 150w draw. Add in another 70w for the cpu and another 100w to cover the drives and fan and motherboard etc and you are pushing @ 320w total.

Where that gets screwy is the age of your components. Modern systems use primarily 12v. Yours does not. It has somewhat higher usage of 3.3v and 5v rails, especially in the gpu itself. So going off the standard 22A rating (264w) being a lot lower than normal, it's not as bad because of the minor rails usage.

The screwy part being just how much usage. If you take a standard gaming load as being 70% of power from the psu, that's 224w ± that you'd be actually using, putting it just inside the 12v limits with further support from the minor rails.

So on paper, technically your psu is currently good for that gpu. But that is totally reliant on the psu itself. If you have a Delta or Seasonic OEM psu, no worries, you should be good as those units are very often underrated, able to supply more than the sticker value. If you have a non-branded, un-named, wierd crazy excuse for a psu, you are sunk. It's most likely made up numbers and not accurate in any sense of the word. Replace it.

 

[Hello Guys]

I had an XFX 8800GT 512 Alpha Dog edition, 6pin pcie, man that card was awesome. Back in the day.

Unless it's an actual nvidia reference card you have, any of the partner cards expect upto a 150w draw. Add in another 70w for the cpu and another 100w to cover the drives and fan and motherboard etc and you are pushing @ 320w total.

Where that gets screwy is the age of your components. Modern systems use primarily 12v. Yours does not. It has somewhat higher usage of 3.3v and 5v rails, especially in the gpu itself. So going off the standard 22A rating (264w) being a lot lower than normal, it's not as bad because of the minor rails usage.

The screwy part being just how much usage. If you take a standard gaming load as being 70% of power from the psu, that's 224w ± that you'd be actually using, putting it just inside the 12v limits with further support from the minor rails.

So on paper, technically your psu is currently good for that gpu. But that is totally reliant on the psu itself. If you have a Delta or Seasonic OEM psu, no worries, you should be good as those units are very often underrated, able to supply more than the sticker value. If you have a non-branded, un-named, wierd crazy excuse for a psu, you are sunk. It's most likely made up numbers and not accurate in any sense of the word. Replace it.

i will replace it with a better one.

 

[Karadjgne]

Good idea. Just be aware that bigger and better are not always the same thing. I'd put more faith in a 400w Seasonic than a 500w Evga N or a 700w from Apevia.

 

[SopduGOW]

so recently i buy nvidia 8800 gt now i dont know how many watt i need i only have a 380watt power supply is it enough.

Yes, its enough to power your system.

 

[Hello Guys]

Good idea. Just be aware that bigger and better are not always the same thing. I'd put more faith in a 400w Seasonic than a 500w Evga N or a 700w from Apevia.

Ok M8

 

[hang-the-9]

It draws power from mobo only, pcie 2. No power plugs on gpu

You may be looking at the wrong card, an 8800 GT needs a 6 pin power connector.

 

[Jacozeelie]

I have a 8800gt in my daughters pc, pcie 2.0. No power cables or plug on gpu. Not the point. Check the specs for the buyers gpu. Then, jump on the horse

 

[DSzymborski]

I have a 8800gt in my daughters pc, pcie 2.0. No power cables or plug on gpu. Not the point. Check the specs for the buyers gpu. Then, jump on the horse

Photos or it didn't happen.

It's a 125W GPU at factory. Supplemental power is required. Either it has a PCIE power or it's not actually an 8800 GT.

Extraordinary claims require proof.

 

[Jacozeelie]

😂 If i remember, ill post a photo tomorow so you can calm down little bit

 

[DSzymborski]

😂 If i remember, ill post a photo tomorow so you can calm down little bit

Make sure to provide a screenshot of the GPU-Z to ensure that it's not a fake.

We take disinformation very seriously here. You made an extraordinary claim; when a couple AMD GPUs were drawing 80-90W from the PCIE slot, it cause major hoopla in the tech world, so a 125W GPU that is powered only by a 75W slot would be a huge story. If you think documenting such a claim is a source of amusement, especially when that claim involves a safety issue, the door is right that-a-way.

 

[hang-the-9]

I have a 8800gt in my daughters pc, pcie 2.0. No power cables or plug on gpu. Not the point. Check the specs for the buyers gpu. Then, jump on the horse

There is no 8800 card made without a power adapter, you either have the wrong GPU in mind or you did not look at yours in a while. Model number of the card would also show what it should have.

 

[Hello Guys]

i have buy the new psu and install it and it works the gpu is running now

 

[Jacozeelie]

I will make sure when i get home, will update with a photo

 

[hang-the-9]

I will make sure when i get home, will update with a photo

Did you check on the card? Or at least the model #? If you have something that's an 8800 without a secondary power adapter it's a fake.

 

[Jacozeelie]

The sticker on the card shows 8800 gt and the label on the back shows 8800 gt 64 bit 512mb but gpu-z shows 8400 gs.

I apologize for my confusion. Geuss i was sold a fake 8800 gt.

 

[hang-the-9]

The sticker on the card shows 8800 gt and the label on the back shows 8800 gt 64 bit 512mb but gpu-z shows 8400 gs.

I apologize for my confusion. Geuss i was sold a fake 8800 gt.

Oops, yep, I'm going to guess the card was much cheaper than the others, or you got it used from some kid that got duped. One of the best ways to find fake cards is to see if there are odd differences in the card vs what it should have, like video ports or the power connectors. A lot of fake newer cards had VGA ports on them, which was a huge red flag. The 750Ti was a favorite to fake, but all of the fakes that I looked at had a VGA port, which the 750 Ti did not have.

 

[Jacozeelie]

I cant remember what i paid for it but it was cheap but i bought it at an IT shop new out of the box. I dont have the box or proof of purchase but also the place closed. Dont know why but i think we all know why