AMD X590 Chipset Pops Up Again - 24 Full PCIe 4.0 lanes instead of 16?

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In the past, we've mentioned an X590 chipset alongside the AMD X570 chipset. At the time I think AMD denied an X590 chipset, guess what? The name is now resurfacing. Short term you may expect the X570, B550 and A520 chipsets right? 



Well, a while ago on 1Usmus's Twitter account (the tweet has since disappeared) a rumor was spread that the X590 chipset would arrive. And that now is becoming a little more credible in terms of information as an image has been published in a forum post , indicating that the X590 chipset is referred to in the bios of various X570 motherboards. 



Computer base forum user CM87 noticed that in the official BIOS for X570 motherboards the X590 chipset is mentioned. If all this is true, we have no idea what the real differences could be. A new Threadripper chipset (if even released) would likely be named X599 right? There has been talk about the ASMedia PCH at PCIe 4.0, which could be the difference. But if that is all, it would not warrant a new chipset name IMHO. As you know, AMD uses the X570's design of the I/O dies of the Ryzen 3000 CPUs. There are a total of 24 PCIe 4.0 lanes on the processors, four of which are reserved for the interlink to the chipset. The X570 has 16 PCIe lanes plus four for the uplink to the processor. Perhaps the new X590 chipset has a full 24 PCIe lanes as that is the only tangible different I think of. 

For the time being let's take this info with a pinch of salt.


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AMD X590 Chipset Pops Up Again - 24 Full PCIe 4.0 lanes instead of 16?


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