MB AM4 Asus PRIME B550-PLUS ATX

// CPU AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors Processors * Chipset AMD B550 Memory 4 x DIMM, Max. 128GB, DDR4 4600(O.C)/4400(O.C)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory * Dual Channel Memory Architecture Graphic 1 x DisplayPort 1.2 * 1 x HDMI 2.1(4K@60HZ) Multi-GPU Support Supports AMD 2-Way CrossFireX Technology Expansion Slots 1 x PCIe 4.