Current motherboards with Socket AM4 will support PCI Express 4.0
All motherboards with Socket AM4 processor connector can get support for the new interface PCI Express 4.0, according to the resource Tom's Hardware, which was able to communicate with representatives of motherboard manufacturers.
At a recent event, AMD announced that its future Ryzen 3000 desktop processors on the Zen 2 architecture will receive support for the new PCI Express 4.0 interface. These chips will be made in the case of Socket AM4, which, as AMD does not cease to remind, will remain relevant until at least 2020. However, motherboards with Socket AM4 on current AMD 300 - and 400-series chipsets support only PCI Express 3.0 interface.
It was possible to think that the new interface will be supported only on new boards with AMD 500 series chipsets, while the existing boards will cost the current PCI Express 3.0. However, motherboard manufacturers believe that at least partial support for the new PCI Express 4.0 on current boards can be provided by a simple BIOS update.
It is reported that programmatically it is possible to transform the first, that is, the closest to the processor slot in PCI Express 4.0 x16. But the other PCI Express and M. 2 sockets will continue to use the standard PCI Express 3.0. The limitation here is primarily physical-too long tracks, because of which it is simply impossible to provide the required bandwidth.
It turns out that you will be able to fully enjoy the features of the new interface PCI Express 4.0 only on new motherboards. In addition, the system logic AMD 500 series will connect to the processor via PCI Express 4.0, which will have a positive impact on the speed of the various ports and interfaces. But still change the motherboard with the processor will not necessarily, which can not but rejoice.
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