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Are all rtx 4090 heats sinks the same

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I am wondering if all RTX 4090 heatsinks are the same cus I have a HP OEM RTX 4090 and I'm wondering if I can replace the heat sink for a msi suprimX or a rog strix or any other heatsink , is that possible?

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They are not all the same, different OEMs commonly use their own PCB designs. Coolers won't be cross-compatible unless the base PCB is the same or extremely similar. 

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No, they're not. 

 

AIB partners that made their cards with a custom PCB design also design a cooler to go with it. The Asus Strix and MSI Suprim are definitely going to be custom boards.

 

HP-branded card might be a reference design board so if you find some other card that also uses the reference board but has a better cooler it might be possible to swap them. However, I don't think finding a "loose" heat sink and shroud assembly for the current apex GPU would be easy, regardless of model. 

 

Does your card look like this? 

 The cooler looks at at glance like it would be adequate.

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