[SOLVED] A different PSU only for the 6 / 8 PINS of GPU

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Charles P

Charles P

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Hi all, new here, sorry for my english, Portuguese.

My Desktop PSU is only 310 w and no cable to connect to 6 / 8 PINS of GPU.
Is it possible to use an older / different PSU outside the case just to connect the 6 or 8 pins cable ?

Thanks in advance ! :)
 
Solution
JohnBonhamsGhost
why would you want a PSU outside of the case?

if this is a proprietary case, PSU, motherboard combo; replace all three.
more than likely in this situation your power supply and motherboard are using proprietary connections so to use a new power supply you would also need a new motherboard.
and if the former is true than you would also need a new case.
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JohnBonhamsGhost

JohnBonhamsGhost

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why would you want a PSU outside of the case?

if this is a proprietary case, PSU, motherboard combo; replace all three.
more than likely in this situation your power supply and motherboard are using proprietary connections so to use a new power supply you would also need a new motherboard.
and if the former is true than you would also need a new case.
 
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Solution
Lutfij

Lutfij

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Make and model for the PSU, please? On second thoughts, can you please parse the specs to your build, like so:
CPU:
Motherboard:
Ram:
SSD/HDD:
GPU:
PSU:
Chassis:
OS:

As for the PSU question, you're better off just buying one PSU that powers your entire build.
 
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USAFRet

USAFRet

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Charles P said:
Hi all, new here, sorry for my english, Portuguese.

My Desktop PSU is only 310 w and no cable to connect to 6 / 8 PINS of GPU.
Is it possible to use an older / different PSU outside the case just to connect the 6 or 8 pins cable ?

Thanks in advance ! :)
Click to expand...
It is "possible"?
Sort of.

Is it advisable?
Absolutely not.

As requested above, full parts list of this system.
 
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RememberThe5th

RememberThe5th

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I've done what you are doing currently/want to do with 2 different PSU's.
My friend had FX 4100 with R7 250 (DDR3 not GDDR3) and was lacking power in some games soo we made GTX 480 (which was still viable then) with another PSU.
I used to start the GPU PSU (Sine its power delivery is not leeking back or whatsoever) and then PC. It worked fine for few weeks until i bought him GTX 950 for 10€ (broken, fixed it).


Charles P said:
I'm not rich dude, have to manage the few things i have... :(
Click to expand...
Now Jonny , another man's trash is another man's treasure.
Been there , done that.
 
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DSzymborski

DSzymborski

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Charles P said:
The proprietary hp psu already came in the sytem, i wanted to use other PSU outside the case just to feed the 6 or 8 pin of the gpu. Now i have gtx 1650 (no extra power) but i want to upgrade the gpu. Thats it.
Click to expand...

The problem is, you're powering the GPU with two separate power sources, not just the external PSU, because of the PCIE power. It can be done, but it's strongly not recommended. It's a real mess just to use a particular motherboard/case; you could re-use the CPU and the RAM if you replaced those and not have this mess. These days, your 1650 would probably pay for that.
 
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jonnyguru

jonnyguru

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Charles P said:
I'm not rich dude, have to manage the few things i have... :(
Click to expand...

Of course not. But HP does this for a reason. It's called "planned obsolescence". You loved your last HP so much you're going to run out and buy a new one. They did the same thing with their printers by having a pre-programmed failure date on them. That one got them into a class action law suit.

You can see what "non-proprietary" motherboard supports your CPU and RAM and just migrate those parts over and put them in a "no-proprietary" chassis.

Example:

Asrock H310CM for $58.99: https://www.newegg.com/p/N82E16813157874?Item=N82E16813157874
Rosewill FBM-01 case for $39.99: https://www.newegg.com/p/N82E16811147123?Item=N82E16811147123
Corsair CX450 PSU for $59.99: https://www.newegg.com/corsair-cx-series-cx450-450w/p/N82E16817139201?Item=N82E16817139201

Your PC is now 300% better than it was a day ago.
 
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Charles P

Charles P

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jonnyguru said:
Of course not. But HP does this for a reason. It's called "planned obsolescence". You loved your last HP so much you're going to run out and buy a new one. They did the same thing with their printers by having a pre-programmed failure date on them. That one got them into a class action law suit.

You can see what "non-proprietary" motherboard supports your CPU and RAM and just migrate those parts over and put them in a "no-proprietary" chassis.

Example:

Asrock H310CM for $58.99: https://www.newegg.com/p/N82E16813157874?Item=N82E16813157874
Rosewill FBM-01 case for $39.99: https://www.newegg.com/p/N82E16811147123?Item=N82E16811147123
Corsair CX450 PSU for $59.99: https://www.newegg.com/corsair-cx-series-cx450-450w/p/N82E16817139201?Item=N82E16817139201

Your PC is now 300% better than it was a day ago.
Click to expand...

I completely understand all you've said. Thanks a lot for the advice ! :)
 
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