Unofficial AMD X570 Platform Details & Diagram Emerge

AMD's upcoming X570 chipset's details have been leaked, giving us a glimpse of the first technical details of the X570 chipset. The leaked diagram comes from a motherboard manufacturer and shows a potential upcoming X570 motherboard design. Motherboards from BIOSTAR, MSI, and Colorful have already leaked out.

AMD X570 'Valhalla' Chipset

The X570 chipset, codenamed 'Valhalla', will be AMD's first in-house chipset design utilized on the AM4 platform, with AMD dropping ASMedia for chipset production. ASMedia previously developed 300 and 400 series motherboard chipsets, and is yet to be seen whether or not ASMedia or AMD will design B550.

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X570 introduces a major design feature to consumer desktop computers, PCIe 4.0. PCIe 4.0  is currently available on datacenter GPUs such as AMD's Radeon Instinct MI60, and soon PCIe 4.0 enabled motherboards and CPUs will be available to accompany these. AMD's upcoming EPYC CPUs, codenamed Rome, and Ryzen CPUs, codenamed Matisse, will release with PCIe 4.0 support.

EPYC & Ryzen/Rome & Matisse - PCIe 4.0 Support for the Masses

X570 Chipset Diagram

Taking a look at the leaked diagram, multiple features are confirmed to be included in the X570 platform's design. Matisse CPUs will output 24 PCIe 4.0 lanes. 16 PCIe 4.0 lanes are dedicated to the primary PCIe x16 slots, configurable to either PCIe 4.0 x16, or x8/x8 through the use of external switches or redrivers. Four lanes are dedicated to 32Gb/s M.2. The final four lanes of the total 24 outpit from the CPU are used as a bus between the CPU and X570 chipset running at 16GT/s. Matisse CPUs feature support for four USB 3.1 Gen1 ports. According to the diagram, a Realtek ALC1220 and NV6795 Super I/O controllers are wired directly to the CPU.

X570 Chipset Specifications

The X570 chipset has improved upon the X370 and X470 chipsets, bringing 16 downstream PCIe 4.0 lanes. Two of the total 16 lanes are dedicated to M.2 slots, three to three PCIe 4.0 x1 slots, one to an ASMedia ASM1143 controller, one to a gigabit ethernet controller, and one lane is dedicated to an 802.11ax WLAN adapter. The remaining lanes are used for storage and USB, providing six SATA 6Gb/s drive RAID, four USB 3.0/3.1 Gen 1 ports, and four USB 2.0/2.1 ports.

Ryzen 3000 'Matisse' - X470 & B450 PCIe 4.0 Support


When paired with Matisse CPUs, X470 motherboards may have the ability to work at PCIe 4.0 bandwidth. GIGABYTE's newest BIOS updates have added a BIOS option for PCIe 4.0, and should be utilized with upcoming Ryzen 3000 CPUs.

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