Trying to swap PSU and verify pinout is standard.

[harrisonjr98]

I was able to find an HP Omen Obelisk 875-0160 prebuilt for quite cheap. https://support.hp.com/us-en/document/c06365618 <- This is the exact unit. I would like to swap out for a 3070 that I also got my hands on, and thus I'm trying to upgrade the 500w bronze PSU it comes with. The thing is, I don't see any way to verify that the HP is using standard pinouts. For those out the loop, some of the larger prebuilt OEMs will use non-standard pinouts and even occasionally weird mobo form factors and whatnot. With the PSU pinouts, it's not always externally obvious what you're dealing with and can just look like a standard 24-pin/8-pin/what have you until you've fried your machine. I tried HP support but they were not at all knowledgeable enough about what I was asking (understandable honestly.) Any guidance about this specific model would be suggested, or a way to find out that doesn't involve external tools or much electrical know-how - because I have neither haha. Thanks in advance!

[Prométhée]

Hello
I have an idea but no certainty
Check the list anyway:

https://support.hp.com/us-en/product/omen-by-hp-obelisk-desktop-pc-875-0000a/23302709/product-info

so i didn't find with same motherboard model, but check the pictures, it must be quite similar for connectors
they are the same boxes

875-1040st CTO Product Specifications and Configurable Options

Power Supply

Must select one of the following options: 500 W 750 W

so you have for example a configurable model with two types of power supply 500 or 750

you can find the references on the HP parts site

	L26279-800   Il n'est pas possible de commander cette pièce : HP Part Partners peut vous aider. Cliquez ici.   Power Supply - GNRC PSU 500W Persan FR   RoHS: COMPLY_2.06
	L37964-800   Il n'est pas possible de commander cette pièce : HP Part Partners peut vous aider. Cliquez ici.   Power Supply - GNRC PSU 750W ES FR Ursa   RoHS: COMPLY_2.06

https://parts.hp.com/Hpparts/Default.aspx?mscssid=D4A68A8FBC7D4BDA8915A52BC02CD24B&cc=FR&lang=FR&jum...
it will then be necessary to search with these references at hp partners or on the net, because obviously not available