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Message 1 of 2
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Do I need to upgrade my power supply unit to upgrade my graphics card?

HP Recommended
OMEN by HP Desktop PC - 880-109no
Microsoft Windows 10 (64-bit)

I'm owning a OMEN by HP Desktop PC - 880-109no which have a GeForce GTX 1080  Ti graphics card installed as default. I'm considering upgrading that card to the latest card from Nvidia, the NVIDIA GeForce RTX 3090. My question is, can I do that without replacing any further hardware such as the power supply, and if I need to do that, which power supply would you recommend?

 

I hear that GeForce cards can be run in parallell as well, would it be possible to run my old card parallell with the new one? 

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Message 2 of 2
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@Nephilim777 

 

The existing card uses 180W and requires machine with 500W PSU minimum

 

           https://www.nvidia.com/en-sg/geforce/products/10series/geforce-gtx-1080/

 

 And the RTX 3090 card uses 350W and requires machine with PSU 750W minimum

 

           https://www.nvidia.com/en-au/geforce/graphics-cards/30-series/rtx-3090/

 

Your machine has 500W PSU, you need 750W PSU or at least 500W + 170W PSU(170W = 350W - 180W)

 

Hope the following link helps you to select s right PSU

 

              https://h30434.www3.hp.com/t5/Desktop-Knowledge-Base/Power-Supply-Cross-Reference-for-specific-model...

 

Regards.

 

BH
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