AMD’s new B550 motherboards show up and then disappear on Amazon

At least five different B550 motherboards were available to preorder on Amazon over the weekend, though initial inventories did not last long—they soon showed “currently unavailable,” and now appear to be delisted from Amazon. Even if those listings for...

AMD Zen 3 CPUs will only be compatible with 500-series motherboards

AMD Ryzen 4000 CPUs based on the Zen 3 processor architecture will only be compatible with 500-series AM4 motherboards, and any further backwards compatibility can therefore do one. Right now that means just the boards running the X570 chipset, but come June 16 (or...