motherboard with 2 pcie 4.0 x16 slots: Full Speed Ahead: RAM Upgrades. 2 RAM Slots Motherboard | Pangoly. PRIME A620M-A Product different Compare.
Micro-ATX Form Factor; B760 Chipset; LGA 1700 Socket; 4 x Dual-Channel DDR4 RAM
Slots; 4 x SATA III, 2 x M.2 PCIe; 1 x PCIe 4.0 x16, 1 x PCIe 4.0 x16 (x4) ...
The M.2 and x16 PCIe
slots on a motherboard house the Ryzen 5 3600 must run PCIe 4.0. With this card, a reasonable amount of RAM clock speed overclocking should be possible.