[SOLVED] I need a new PSU for the RTX 3070 Ti?

[juoza]

Hi Everyone, hope you're well. This is so bloody confusing, I keep getting conflicting advice on what I can and can't do. I wanted to originally use my CS750M power supply for the Gigabyte 3070 Ti OC Vision, except I don't have 2 seperate PCI-E ports on my PSU, so I can't use my PSU. I have a section called "PCI-E 6+2 & 4+4 CPU" but I got told that I can use the 4+4 for the GPU and others told me I can't so, I'm completely confused.

Either way, I need a new PSU and was looking at getting the Corsair CX750M. My spec specs are the following:

Intel core i5 6600k - Overclocked to 4.2ghz
16gb of DDR4 2400mhz Hyperx ram
1 ssd at 256gb and 1 hdd at 1tb
z170 pro gaming motherboard

My question is, will this Corsair CX750M PSU be compatible with my motherboard? I heard that the "type 4" PSU's have a different ATX 24 pin connector, apparently the "pinout" is different, but I have no idea what they mean by "pinout". My CS750M PSU came with "type 3" cables.

Lastly, in the image attached, is this the right place to plug in 2x PCI-E cables to power my graphics card? https://ibb.co/f8XVCQ0

The image I sent, the labeling is so confusing. It says "PCIE / CPU" so can I plug both CPU and PCIE cable in there since the ports are the exact same just upside down?

 

[juoza]

Yes.

Though, it doesn't matter which ports on PSU side, you use for GPU and which for CPU.

E.g below is my PSU's connectors:

Upper image - connectors
Lower image - end result (do note that i have my PSU flipped upside down, for fan to be at the bottom)

9

Thanks a bunch really appreicated all your help. did notice some residue on my atx connector not sure if it matters. managed to remove most of it then got lazy https://ibb.co/18mzB3K

 

[Aeacus]

did notice some residue on my atx connector not sure if it matters.

Is that connector with old PSU, once you removed it from MoBo, or with new PSU after you unpacked it?
Also, is the residue only outside of the connector or inside as well, next to pins?

Without additional info, it looks to be like drop of epoxy, usually seen within PSU to reduce coil whine and/or hold components together, without them rattling around.

E.g Corsair RM750x review;
link: https://www.tomshardware.com/reviews/corsair-rm750x-power-supply,4303-3.html

Scroll down a bit to internal pics and it's that white stuff you see in there. But epoxy can be transparent as well.

 

[juoza]

Is that connector with old PSU, once you removed it from MoBo, or with new PSU after you unpacked it?
Also, is the residue only outside of the connector or inside as well, next to pins?

Without additional info, it looks to be like drop of epoxy, usually seen within PSU to reduce coil whine and/or hold components together, without them rattling around.

E.g Corsair RM750x review;
link: https://www.tomshardware.com/reviews/corsair-rm750x-power-supply,4303-3.html

Scroll down a bit to internal pics and it's that white stuff you see in there. But epoxy can be transparent as well.

thats the new psu cables, i just realized it. I'll plug it in today, hopefully no problems with it. residue is only on the outside

 

[juoza]

Is that connector with old PSU, once you removed it from MoBo, or with new PSU after you unpacked it?
Also, is the residue only outside of the connector or inside as well, next to pins?

Without additional info, it looks to be like drop of epoxy, usually seen within PSU to reduce coil whine and/or hold components together, without them rattling around.

E.g Corsair RM750x review;
link: https://www.tomshardware.com/reviews/corsair-rm750x-power-supply,4303-3.html

Scroll down a bit to internal pics and it's that white stuff you see in there. But epoxy can be transparent as well.

I just ran into a new challenge, oh boy. I plugged in the new usb 3.0 header from the case and then unplugged it because I was paranoid that I plugged it into the wrong port even though it fit fine. It snapped off and I managed to remove the header from the motherboard. Will this damage my motherboard and is it safe to start my pc with the pins exposed like that?

It looks the exact same as the photo from this thread https://forums.tomshardware.com/thr...or-no.3576657/#lg=_xfUid-2-1648275042&slide=0

 

[Aeacus]

It snapped off and I managed to remove the header from the motherboard.

For some reason, the USB 3.0 cable on MoBo side, has very strong fit to MoBo USB 3.0 internal port and when trying to remove the USB 3.0 cable, it pulls the plastic connector with it. I've seen it many times and even on my MSI Z170A Gaming M5 MoBo, i've had the very same thing happen.

Now, for my case, as soon as i saw that removing USB 3.0 cable pulls the plastic port on MoBo with it, i instantly pushed everything back to the place it was. Thus far, everything works fine for me, but i know that when i need to remove the MoBo from my PC case, i will come into the same issue again.

As far as your issue goes, take extreme care and do your level best to put the plastic port (with or without USB 3.0 cable) back to MoBo. Since running exposed pins is very risky and it is great source for short circuit. Especially when dust or other matter should bridge the gap between two pins.

and then unplugged it because I was paranoid that I plugged it into the wrong port

Read holy bible of PCs (aka MoBo manual) when building your PC. It describes in detail what port is what.

 

[juoza]

For some reason, the USB 3.0 cable on MoBo side, has very strong fit to MoBo USB 3.0 internal port and when trying to remove the USB 3.0 cable, it pulls the plastic connector with it. I've seen it many times and even on my MSI Z170A Gaming M5 MoBo, i've had the very same thing happen.

Now, for my case, as soon as i saw that removing USB 3.0 cable pulls the plastic port on MoBo with it, i instantly pushed everything back to the place it was. Thus far, everything works fine for me, but i know that when i need to remove the MoBo from my PC case, i will come into the same issue again.

As far as your issue goes, take extreme care and do your level best to put the plastic port (with or without USB 3.0 cable) back to MoBo. Since running exposed pins is very risky and it is great source for short circuit. Especially when dust or other matter should bridge the gap between two pins.



Read holy bible of PCs (aka MoBo manual) when building your PC. It describes in detail what port is what.

I wasa just an idiot, who should have been more confident lol. I took out the connector, took a bit of time. Suprisingly pins in great condition. Mobo works and pc boots up fine. It probs would have happened anyways when I go to get my new mobo.

 

[Aeacus]

I wasa just an idiot, who should have been more confident lol.

Well, PC hardware has a nice thing to it, where when you try doing things by your way, rather than reading manuals/guides, it will kick back to you and will hit where it hurts the most - wallet. And for some - pride. Now, i prefer to call it a life's tax, while some others may call it stupid tax.

I've seen loads of brain farts in my years, some worse than others, and the sad thing is, that i will be seeing those in the future as well. Some are hilarious while others are facepalm worthy. All-in-all a good mixed bag.

 

[juoza]

Well, PC hardware has a nice thing to it, where when you try doing things by your way, rather than reading manuals/guides, it will kick back to you and will hit where it hurts the most - wallet. And for some - pride. Now, i prefer to call it a life's tax, while some others may call it stupid tax.

I've seen loads of brain farts in my years, some worse than others, and the sad thing is, that i will be seeing those in the future as well. Some are hilarious while others are facepalm worthy. All-in-all a good mixed bag.

haha yep. I just plugged it in because it seemed correct according to the mobo labeling and then pulled it out for no good reason lol.