PC Tech News GIGABYTE B550 AORUS Master Can Offer 3 x PCIE Gen 4 M.2 Slotsnucleus15th May 2020 by nucleus15th May 202002171 The AMD B550 chipset aren’t supposed to support 3 PCIE Gen 4 M.2 Slots … but apparently it does with Gigabyte’s B550 AORUS Master motherboard....