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HP Recommended
HP 800 G2 SFF
Microsoft Windows 10 (64-bit)

Is it possible to rewire or get an adapter to run a standard 24 pin mATX Motherboard in a HP Elitedesk 800 G2 SFF of the HP 6pin PSU?

there is an adapter on the market that allows for a standard 24 pin atx PSU to work with the HP 6pin motherboard, but is it possible to do it the other way round? PSU Is a

796419-001

 

Kind rgds

Kind Rgds
Pycen
1 ACCEPTED SOLUTION

Accepted Solutions
HP Recommended

the HP motherboard in your system uses a non standard power connection and MUST BE MATED TO THE NON STANDARD HP POWER SUPPLY if you look carefully at a picture of the ATX supply to HP board adapter you will see a large bulge in the wiring this is a small circuit board that adapts some of the atx lines to the non std HP voltage the motherboard requires

 

you can not use the custom HP supply with a "ATX" style motherboard as it lacks voltage outputs and the required amperage the ATX board requires

 

if you replace the motherboard with a STD ATX style board you must then use a matching ATX power supply

 

 

View solution in original post

3 REPLIES 3
HP Recommended

if the max power draw of the board with all components is under 150 watts you can use a pico 12v to 24 pin adapter

 

if over 150 watts, cooling becomes a major issue due to your enclosed space, you may have consider this

 

you should be able to use off the shelf power supplies in this model's case search using the existing measurements of the original power supply

 

yes, a 6pin to atx 24pin adapter for this model exists for those who already have a upgraded power supply on hand

 

https://www.moddiy.com/products/HP-EliteDesk-800-PSU-Main-Power-24-Pin-to-6-Pin-Adapter-Cable-30cm.h...

HP Recommended

Hi DGroves, i was planning on replacing the i5 6500 & HP MB with a 65w ryzen & associated motherboard, the adapter youve posted in the link is correct, but i need one with the connectors the otherway round, so a male 24 pin & female 6 pins, so i can use the HP PSU? is that possible, can you send a link to one?

 

Kind rgds

Kind Rgds
Pycen
HP Recommended

the HP motherboard in your system uses a non standard power connection and MUST BE MATED TO THE NON STANDARD HP POWER SUPPLY if you look carefully at a picture of the ATX supply to HP board adapter you will see a large bulge in the wiring this is a small circuit board that adapts some of the atx lines to the non std HP voltage the motherboard requires

 

you can not use the custom HP supply with a "ATX" style motherboard as it lacks voltage outputs and the required amperage the ATX board requires

 

if you replace the motherboard with a STD ATX style board you must then use a matching ATX power supply

 

 

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