While AMD allows their 2nd Generation Ryzen Threadripper processors to run on existing and refreshed X399 motherboards, rumor is that AMD will also offer the high-end X499 platform in early 2019.

AMD X499 HEDT Platform Rumored For Ryzen Threadripper CPUs - To Be Announced at CES 2019

The rumor comes from HD-Tecnologia who has revealed in an exclusive post that the AMD X499 will be arriving early next year but after the Intel X599 chipset which will support their Skylake-X core processors featuring up to 28 cores.

Earlier, it was suggested by motherboard manufacturers that the X499 chipset was definitely in the plans but was canned alongside the Z490 mainstream platform. Now, rumors are emerging once again on these two platforms so we might just get to hear about them when the next-generation of Ryzen processors are revealed to the masses. We won't hold our breathe on these though because this is still just a rumor and we don't really have a lot of details on any of the respective platforms.

The announcement of the X499 chipset is said to be held at CES 2019 at the AMD Tech Day even for journalists. Talks regarding the next-generation EPYC 7nm processors which are expected to ship later next year along with new Ryzen Threadripper CPUs and Navi GPUs are also said to be held during the event.

We can't say what the X499 platform is designed for yet but there could be two possibilities. One is that since not many motherboard manufacturers jumped on board to offer X399 refresh solutions, they might have been waiting for the X499 PCH to be ready for the launch of proper high-end desktop boards for the 2nd Generation Ryzen Threadripper processors.

The second is simply that the X499 will be a new platform, offering support for next-generation Ryzen Threadripper CPUs and we have also been hearing the support of octa-channel memory which might make sense since Intel will be offering hexa-channel memory support on their flagship X599 platform.

AMD Ryzen Threadripper 3000 ‘3rd Gen’ HEDT CPUs – 7nm Zen2 Cores For 2019

The Ryzen Threadripper 3rd Gen or 3000 series family is expected to debut in 2019. This family will be internally known as “Castle Peak” and is stated to bring a dominant leadership in the HEDT market. The family will prove to be a new watermark in performance and overall efficiency while new platform features will be introduced on the TR4 socketed motherboards to take them to the next level. We may be looking at PCIe Gen 4.0 support on these motherboards along with a core count bump which is rumored to be happening on the7nm EPYC ‘Rome’ seriesby the end this year.

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AMD CPU Roadmap (2017-2022)