B650D4U vs. B650D4U3

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   What is the big difference between the two AMD motherboards: B650D4U3 vs B650D4U?

Is it basically the PCI slot and the M.2 slot swapping CPU vs. FCH?

Any other differences?

BIOS management software the same (BCM)?

What does the "3" mean?

Also curious why more PCI lanes aren't available to the CPU.  Is this a chipset limitation?  AM5 socket limitation?  CPU limitation?

Thank you,

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prak32 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 10 May 2025 Status: Offline Points: 55	Post Options Post Reply Quote prak32 Report Post Thanks(0) Quote Reply Topic: B650D4U vs. B650D4U3 Posted: 4 hours 22 minutes ago at 2:58am
	What is the big difference between the two AMD motherboards: B650D4U3 vs B650D4U? Is it basically the PCI slot and the M.2 slot swapping CPU vs. FCH? Any other differences? BIOS management software the same (BCM)? What does the "3" mean? Also curious why more PCI lanes aren't available to the CPU. Is this a chipset limitation? AM5 socket limitation? CPU limitation? Thank you,