Amd 400 motherboards will have pci express 3.0 for general purpose
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The second generation of AMD Ryzen processors will arrive sometime in the first quarter of 2018 along with the new AMD 400 series motherboards, however they will be fully compatible with current 300 series motherboards with a BIOS update. New details of the 400 series chipset confirm the use of the PCI Express 3.0 bus for all its purposes.
AMD 400 will only use PCI Express 3.0
It is something that was already rumored but has finally been confirmed, the new AMD 400 series motherboards will have general-purpose PCI Express 3.0 lanes, these will be in charge of various controllers integrated on the board and outside the chipset, these external lanes to the chipset will be connected to slots x1 and x4. A major difference from 300 series boards that use the PCI Express 2.0 bus for general purposes.
AMD confirms that the second generation of Ryzen will arrive in the first quarter of 2018
Current Ryzen processors add 16 PCI Express 3.0 lanes for graphics cards and 4 lanes that serve as a chipset bus and are typically used to hold an M.2 32GB / s slot. With the advancement of the new 400 series motherboards we can expect drives with more than one 32GB / s M.2 slot.
Recall that the second generation Ryzen processors are manufactured using GlobalFoundries' 12nm FinFET node, this will allow higher frequencies than the first generation to be achieved without an increase in power consumption.
The new amd 400 motherboards are listed on pci
All the motherboard machinery is working piece by piece to be able to support the new Ryzen 2 chips with AMD 400.
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