Tuesday, December 3rd 2019

AMD X570-successor to be Third-Party Sourced

AMD X570 chipset is the industry's first PC platform core-logic to support PCI-Express gen 4.0, but has proven to be expensive and hot. Its 600-series chipset successor will be third-party sourced much like its 400-series predecessor, according to a MyDrivers report citing sources in the motherboard industry. AMD is reportedly sourcing its 500-series mid-range chipset, the B550, from ASMedia. The B550 uses PCI-Express 3.0 x4 as its chipset bus, and puts out eight PCIe gen 3.0 downstream general purpose lanes, however, B550 motherboards could still feature PCI-Express 4.0 x16 slots from the socket AM4 SoC (provided a 3rd gen Ryzen processor is installed), and at least one of the M.2 NVMe slots on B550 motherboards could have PCI-Express 4.0 x4, since they're wired to the SoC instead of the chipset.

The MyDrivers report predicts that the successor to X570, the supposed "X670," could be sourced from a third-party firm, much like the B550, and implement PCI-Express gen 4.0, not just as chipset-bus, but also putting out PCI-Express gen 4.0 general purpose lanes. A possible design goal of the X670 could be to implement PCIe gen 4.0 switching fabric without running too hot, resulting in a cooler chipset than can make do with fanless cooling solutions, much like the X470. AMD will continue to make "chipsets" in the form of I/O controller dies for use in its MCM processors, although the relatively low-margin motherboard chipset business could be axed.
Source: MyDrivers
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28 Comments on AMD X570-successor to be Third-Party Sourced

#26
Xajel
TomorrowAsk ASMedia why it's taking so long. Im glad AMD decided to produce X570 themselves. Otherwise we would not have PCI-E 4.0 for years.
As for the chipset cooling i feel like most manufacturers have gone overboard with their chipset fans on X570. Personally i see no reason for active cooling on X570 and tests by Der8auer for example have shown as much.

On my X570 Aorus Master i replaced the stock thermal pad with Kryonaout and unplugged the chipset fan cable. Never have i seen temps exceeding 45c.
AMD chose to do X570 in house because ASMedia have yet mastered PCIe 4.0. It was rumoured that B550 and other 500 series chipsets will follow as soon as they finished. But it seems PCIe 4.0 is still expensive for B series chipset.

As to why it's taking too long is still unknown, currently if anyone not interested in PCIe 4.0 he can go for a 400 series chipset, they will work as expected, I don't know actually what B550 will differ from B450.
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#27
Tomorrow
XajelAMD chose to do X570 in house because ASMedia have yet mastered PCIe 4.0. It was rumoured that B550 and other 500 series chipsets will follow as soon as they finished. But it seems PCIe 4.0 is still expensive for B series chipset.

As to why it's taking too long is still unknown, currently if anyone not interested in PCIe 4.0 he can go for a 400 series chipset, they will work as expected, I don't know actually what B550 will differ from B450.
B550 will offer PCI-E 4.0 on the first PCI-E and M.2 slot. That's the difference between it and B450.
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#28
gamefoo21
TomorrowB550 will offer PCI-E 4.0 on the first PCI-E and M.2 slot. That's the difference between it and B450.
So like B450/X470 until AMD neutered the Agesa?

Yes I know it was done to protect the children.
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