PCIe 4.0 unlocked early on some 400-series AMD motherboards
PCIe 4.0 support has been added on some 400-series AMD motherboards in preparation for incoming AMD Ryzen 3000 CPUs. The new interface is being rolled out with AMD’s next-gen Ryzen CPUs and 500-series motherboards, but a little BIOS divination indicates even some 400-series boards will be able to make use of the extra bandwidth, too.
PCIe 4.0 increases bandwidth twofold over its prevalent predecessor, PCIe 3.0. That takes a full 16x PCIe 4.0 slot up to a total bandwidth of 64GB/s. Few graphics cards will ever put all that open road to good use, but there’s potentially a use in faster, more numerous NVMe drives as a result of the shift to the PCIe 4.0 standard.
And it looks like even those of you that opted for second-generation Ryzen processors will be able to make the most out of the increased bandwidth. As previously speculated earlier in the year, some connections on 400-series motherboards - those that run from the CPU directly and not the PCH - may be capable of running at higher speeds with a simple BIOS tweak once paired with a compatible Ryzen 3000 chip.
RELATED LINKS: AMD Navi release date and specs, AMD Ryzen 3000 release date, AMD Radeon VII reviewfrom PCGamesN http://bit.ly/2Ek1kbX
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