In the briefing leading up to today’s launch of the Ryzen 3 3100 and Ryzen 3 3300X AMD fully detailed their upcoming B550 chipset. Unlike the B450 chipset, B550 will support PCI-Express 4.0 for both graphics and storage. Also the PCI-Express interface for other devices (general purpose lanes) will be upgraded from 2nd to 3rd generation.
The B550 chipset will be the first mid-range chipset to offer PCI-Express 4.0 support. The B550 chipset runs at roughly the same 5-7W TDP as the older B450 chipset. AMD has not confirmed it, but we can assume the chipset was sourced from ASMedia. AMD has confirmed dual-GPU support for B550 motherboards, which was typically a feature of X570/X470 motherboards. Most of the B550 motherboards revealed have multiple PCI-Express slots. For those wondering about overclocking just like its predecessors the B550 chipset enables full multiplier-based overclocking with memory overclocking support.
The B550 chipset is sort of a thing of its own as it only supports current Ryzen 3000 series processor and future “Zen 3” 4th generation Ryzen desktop processors.
Ryzen 3000 “Picasso” APUs are not supported as well as older Ryzen 2000 “Pinnacle Ridge,” “Raven Ridge,” and first gen Ryzen 1000 “Summit Ridge” processors. Another interesting thing revealed is that the upcoming “Zen 3” 4th generation Ryzen desktop processors will only support AMD 500-series (or later) chipsets. These processors will not work on older 400-series or 300-series chipsets.
Motherboards based on the AMD B550 chipset are expected to launch on June 16, 2020. Prices start at $100, according to AMD.