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Thread: AMD's Ryzen 3000-supporting X570 chipset examined

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    AMD's Ryzen 3000-supporting X570 chipset examined

    Lots of PCIe for ultra-fast storage.
    Read more.

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    Re: AMD's Ryzen 3000-supporting X570 chipset examined

    In the first image "AMD X570: THE MOST MODERN I/O" see where that diagram says:
    x8 PCIe Gen4. Does that mean the X570 chipset will NOT support "4x4" AICs
    like the ASRock Ultra Quad M.2 AIC? The latter AIC needs a single x16 slot
    to "bifurcate" those lanes into 4 @ x4, hence the nomenclature "4x4".

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    Re: AMD's Ryzen 3000-supporting X570 chipset examined

    P.S. See AORUS AIC GEN4 SSD here:
    https://hexus.net/tech/news/storage/131189-gigabyte-aorus-nvme-gen4-ssd-launched-copper-fin-heatsink/
    https://hexus.net/media/uploaded/2019/5/925eda35-423d-4905-8c83-ce2cceeec234.jpg

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    Re: AMD's Ryzen 3000-supporting X570 chipset examined

    P.S. also here, with a few bullet points:
    https://pbs.twimg.com/media/D7oQOePUwAAPowF.jpg

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    Re: AMD's Ryzen 3000-supporting X570 chipset examined

    Quote Originally Posted by MRFS View Post
    In the first image "AMD X570: THE MOST MODERN I/O" see where that diagram says:
    x8 PCIe Gen4. Does that mean the X570 chipset will NOT support "4x4" AICs
    like the ASRock Ultra Quad M.2 AIC? The latter AIC needs a single x16 slot
    to "bifurcate" those lanes into 4 @ x4, hence the nomenclature "4x4".
    Good question. From a slot signalling perspective, you'd need to have a full 16-lane slot. Despite the red "x16 PCIe Gen 4" block in the second slide, I haven't yet seen any motherboards with such a configuration (full x16 slot via X570 chipset) - and even if there were any, it'd be pointless from a performance standpoint due to having to funnel all that bandwidth over a x4 Gen 4 link to the SoC.

    I think to max out M.2 provision on X570, one would first need to have an X570 board that offers 2x x16-physical slots wired to the CPU (not all do). These slots can be run as x8x8, and then a 2-way AIC to go into one of these alongside a GPU (assuming this is a desktop that needs a display card). Otherwise, there's the HEDT platforms.

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    Re: AMD's Ryzen 3000-supporting X570 chipset examined

    Thanks for your feedback, chinf.

    On the upper left of that first graphic,
    see "PCIe 4.0 x4". That equals x16 lanes.

    Also, in the orange blocks further to the left,
    see "16x Graphics" and "4x Chipset Downlink"
    i.e. 20 total.

    So, the x16 "Graphics" slot might be available
    to support a bifurcated "4x4" AIC.

    It doesn't say how fast the "Chipset Downlink" is,
    but it would be reasonable for that Downlink
    to run at PCIe 4.0 speed e.g. see "1x4 NVMe".

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