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AMD’s Next-Gen B650 and X670 Chipsets Reportedly Lack PCIe Gen 5 Support; To be Enabled Through CPU

AMD’s next-gen 600 series chipsets may lack support for PCIe Gen 5 and instead leverage a Gen 4.0 x4 interconnect with the CPU. This is in direct contrast to Intel’s latest 600 chipset family released alongside Alder Lake which has a PCIe 5.0 x16 slot for even the lowest-end H610 boards. It’s unclear why AMD would decide to omit Gen 5 support from its first AM5 boards, or if this leak is actually legit.

Komachi Ensaka has proved to be a very reliable source in the past which makes this all the more puzzling. With the 500 series, the B550 chipset also lacked Gen 4 support, and the same was enabled via the CPU.

The higher-end X570 chipset supported Gen 4 x4 which allowed AIBs to implement up to three PCIe x16/x8 slots in addition to as many as four M.2 slots.

AMD has already confirmed that its Ryzen 7000 family will support PCIe Gen 5 so we’re likely looking at a CPU implementation here rather than the chipset. The X670 chipset is supposed to be a dual-chiplet B650 which makes it unlikely that even the former will support the Gen 5 standard. Although this won’t have any real impact on performance, Team Red will most certainly lose points on comparison tables.

Areej

Computer hardware enthusiast, PC gamer, and almost an engineer. Former co-founder of Techquila (2017-2019), a fairly successful tech outlet. Been working on Hardware Times since 2019, an outlet dedicated to computer hardware and its applications.

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