Maximus Z790 Hero PD_12V_PWR Connection

[PHENICUS]

I have an EVGA SuperNOVA 1600 G+ PSU. It has VGA, SATA, PERIF Sockets. The CPU And MB Sockets are already occupied from the PSU into the MB with no problem.

I am running an ASUS TUF Gaming GeForce RTX 4090 OG OC GPU. I have 4 VGA sockets from the PSU running to the 12VHPWR Adapter on the GPU.

From other posts I am getting that the PD_12V_PWR Connection is to beef up the power to the PCI Slots on the MB and to provide the wattage required to enable "quick" charge on the USB Slots. My question (and confusion) is which power socket on the PSU should I be running to the PD_12V_PWR connection? The posts say "PCIE". That is not an option on my PSU. What would the "PCIE" equivalent be on my PSU?

• Do I want to run a 8-PIN VGA cable to the 6-PIN PD-12V_PWR and just "unsnap" the two end wires and use that to the 6-PIN on the PD_12V_PWR?
• Do I want to run the 6-PIN PERIF slot from the PSU to the PD_12V_PWR?
• Or, finally, do I want to power the PD_12V_PWR from the 6-PIN SATA slot?

I really don't want to cross my wires or overload anything.

Hopefully my question is clear and that someone will have an answer.

TIA for any assistance, guidance, or suggestions.

[world · Accepted solution]

Welcome to the ROG forums!

This is what the manual has to say about the PD_12V_PWR connector:

Basically, you'll want to plug in a 6-pin PCIe connector to this spot.

I don't personally have the EVGA SuperNOVA 1600 G+ PSU, but from what I can see with a quick online search, you should have 4 cables that provide 6 pin PCIe connectors, but also 5 cables that provide both 6+2 pin and 6 pin power, right?

So, to answer your questions:

• Do I want to run a 8-PIN VGA cable to the 6-PIN PD-12V_PWR and just "unsnap" the two end wires and use that to the 6-PIN on the PD_12V_PWR? That would work just fine! The 8 pin connectors that have 2 pins that can easily snap off are effectively 6+2 pins. If you snap off the 2 pins, it's essentially the same as the 6 pin once you snap those off.
• Do I want to run the 6-PIN PERIF slot from the PSU to the PD_12V_PWR? You should be looking for one of the cables that plugs into the VGA ports on the PSU.
• Or, finally, do I want to power the PD_12V_PWR from the 6-PIN SATA slot? You should be connecting from your VGA ports on the PSU into this port-- the SATA slots probably aren't the right ones

Hopefully this helps! If I'm misunderstanding anything, please let me know!

[PHENICUS · Accepted solution]

Thank you "world".

I appreciate your quick answer and will confirm that you are correct.

I also received the same answer from a moderator on the EVGA Forum as follows:

Re: EVGA SuperNova 1600 G+ to PD_12v_PWR Connection on ASUS ROG Z790 Hero ~~~~~~~~~~~~~~

Do I want to run an 8-PIN VGA cable to the 6-PIN PD-12V_PWR and just "unsnap" the two end wires and use that to the 6-PIN on the PD_12V_PWR? »

Yes.

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[world]

Glad I could help! Please feel free to reach out if you need any other help!