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I need some help finding a power supply for my nephews computer.

Dan Aran
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The power supply I got based on pc part picker should have worked, but it only had 1 motherboard power cable and only the y cable version of the pcie power which was not good enough to run the system. 

The power supply has to fit in the fractal pop xl air which has a bit of a tight fit. It also needs to have power cables that can power both a 3070ti and an ASUS ROG STRIX B650-A GAMING WIFI 6E.

 

I'm having a hard time finding a power supply that is 850watts, small enough to fit the case and has the correct power cables.

 

Any help is much appreciated! 

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Most boards will run fine with only 1 8 pin installed.

 

What do you mean by y cable version? 6+2 pin?

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I'm a PhD student working in the fields of reinforcement learning and traffic control. PCs are one of my hobbies and I've built many PCs and performed upgrades on a few laptops (for myself, friends and family). My personal computers include 3 windows (10/11) machines and a TrueNAS server (and I'm looking to move to dual booting Linux Mint on my main machine in future). While I believe I have an decent amount of experience in spec’ing, building and troubleshooting computers, keep in mind I'm not an expert or a professional and I make mistakes.

 

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31 minutes ago, Dan Aran said:

fractal pop xl air

uses ATX power supply format, which is pretty standard,

 

you should be fine with either good 750W PSU or high quality 650W PSU, for example Gold rated Corsair RMe (or RMx) or Gold rated Thermaltake Toughpower

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Ryzen 5 5600 |16GB DDR4 3200Mhz | B450 | GTX 1080 ti

PCs I used before:

Pentium G4500 | 4GB/8GB DDR4 2133Mhz | H110 | GTX 1050

Ryzen 3 1200 3,5Ghz / OC:4Ghz | 8GB DDR4 2133Mhz / 16GB 3200Mhz | B450 | GTX 1050

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I'd recommend 700W+ PSU for headroom though

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Feel free to ask any questions regarding my comments/build lists. I know a lot about PCs but not everything.

PC:

Ryzen 5 5600 |16GB DDR4 3200Mhz | B450 | GTX 1080 ti

PCs I used before:

Pentium G4500 | 4GB/8GB DDR4 2133Mhz | H110 | GTX 1050

Ryzen 3 1200 3,5Ghz / OC:4Ghz | 8GB DDR4 2133Mhz / 16GB 3200Mhz | B450 | GTX 1050

Ryzen 3 1200 3,5Ghz | 16GB 3200Mhz | B450 | GTX 1080 ti

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1 hour ago, will0hlep said:

Most boards will run fine with only 1 4 pin installed.

 

What do you mean by y cable version? 6+2 pin?

 

So this motherboard has the regular 24-pin, an 8-pin, and a 4-pin port. The power supply I originally got did not have the 4 pin cable. I am trying to have everything set up and connected, just in case if down the road my nephew wants to upgrade he does not have to get a new power supply.

 

image.thumb.png.01850f4ec0f03cde1e043241670f20b5.png

image.png.f4f967ee690fd7a73bfe9f7f76a81956.pngThis type of cable is what I meant by Y cable

 

 

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1 hour ago, podkall said:

I'd recommend 700W+ PSU for headroom though

Is 700W+ enough for a 3070TI? I know the 3080TI needs at least 850W is it that far of a difference?

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27 minutes ago, Dan Aran said:

Is 700W+ enough for a 3070TI? I know the 3080TI needs at least 850W is it that far of a difference?

you could try only fitting the 8pin on the motherboard and leaving the 4pin not plugged, and see if that works, because I think it should, what's the CPU on the Motherboard do you know?

Note: Users receive notifications after Mentions & Quotes. 

Feel free to ask any questions regarding my comments/build lists. I know a lot about PCs but not everything.

PC:

Ryzen 5 5600 |16GB DDR4 3200Mhz | B450 | GTX 1080 ti

PCs I used before:

Pentium G4500 | 4GB/8GB DDR4 2133Mhz | H110 | GTX 1050

Ryzen 3 1200 3,5Ghz / OC:4Ghz | 8GB DDR4 2133Mhz / 16GB 3200Mhz | B450 | GTX 1050

Ryzen 3 1200 3,5Ghz | 16GB 3200Mhz | B450 | GTX 1080 ti

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3 minutes ago, podkall said:

you could try only fitting the 8pin on the motherboard and leaving the 4pin not plugged, and see if that works, because I think it should, what's the CPU on the Motherboard do you know?

Full specs for the system without power supply are:

CPU: AMD Ryzen™ 9 7900X3D 12-Core

CPU Cooler: CORSAIR CW-9060058-WW iCUE H100i RGB ELITE

Motherboard: ASUS ROG STRIX B650-A GAMING WIFI

Ram: CORSAIR VENGEANCE DDR5 RAM 32GB (2x16GB) 6000MHz

GPU: EVGA GeForce RTX 3070 Ti FTW3 Ultra Gaming

Case: Fractal Design Pop XL Air RGB

Memory Drives: SAMSUNG 980 PRO SSD 1TB and Seagate BarraCuda 4TB Internal Hard Drive HDD

 

____

 

I will try with the 8-pin alone and see if that works. Is the 700W enough for the above?

 

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1 hour ago, Dan Aran said:

I will try with the 8-pin alone and see if that works. Is the 700W enough for the above?

it's likely if you're not doing any CPU overclocking, do you know the model of the PSU?

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Feel free to ask any questions regarding my comments/build lists. I know a lot about PCs but not everything.

PC:

Ryzen 5 5600 |16GB DDR4 3200Mhz | B450 | GTX 1080 ti

PCs I used before:

Pentium G4500 | 4GB/8GB DDR4 2133Mhz | H110 | GTX 1050

Ryzen 3 1200 3,5Ghz / OC:4Ghz | 8GB DDR4 2133Mhz / 16GB 3200Mhz | B450 | GTX 1050

Ryzen 3 1200 3,5Ghz | 16GB 3200Mhz | B450 | GTX 1080 ti

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Based on this I was thinking the new PSU could be the RM750x SHIFT 80 PLUS Gold Fully Modular ATX Power Supply. Either 750 or 850 watt. That give him wiggle room if he wants to upgrade down the line his gpu or something

 

Do you think that has the cables and power for this system?

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14 minutes ago, Dan Aran said:

Do you think that has the cables and power for this system?

More important question because of the location of the modular board 'is the PSU compatible with the case'?

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6 hours ago, --SID-- said:

More important question because of the location of the modular board 'is the PSU compatible with the case'?

The RM750x SHIFT 80 PLUS Gold Fully Modular ATX Power Supply should fit, I think. height is the only concern, but it seems thinner than other PSU. ‎11.6 x 9.5 x 5.2 inches

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On 12/10/2023 at 10:03 PM, Dan Aran said:

Based on this I was thinking the new PSU could be the RM750x SHIFT 80 PLUS Gold Fully Modular ATX Power Supply. Either 750 or 850 watt. That give him wiggle room if he wants to upgrade down the line his gpu or something

 

Do you think that has the cables and power for this system?

The extra 4 pin is only really for if you want to use a 7950X with a watercooling loop and overclock the hell out of it , It'll be perfectly fine with just the 8 pin.

 

I have some gripes with your component choice but it's too close to Christmas to fix and I'm sure he will be happy with it.

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CPU Cooler : Deepcool AK620 Zero Dark

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Thanks for the help, everyone! 

I found a PSU that fits and works.

 

Well it did.. But it failed after 10 minutes of being on and then no power anymore. So getting it replaced and trying again.

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12 hours ago, Dan Aran said:

I found a PSU that fits and works

What's the brand and model of this PSU?

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On 12/18/2023 at 6:47 AM, --SID-- said:

What's the brand and model of this PSU?

 Corsair RM850x Shift

 

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