// CPU AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors Chipset AMD B550 Memory 4 x DIMM, Max. 128GB, DDR4 5100(O.C)/4800(O.C.)/4600(O.C)/4400(O.C)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3600(O.C.)/3466(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory Dual Channel Memory Architecture Graphic Integrated Graphics Processor 1 x HDMI 2.1(4K@60HZ) 1 x DisplayPort 1.2 Expansion Slots 1 x PCIe 4.0 x16 (x16 mode) 1 x PCIe 3.0 x16 (x4 mode) * 3 x PCIe 3.0 x1 Storage Total supports 2 x M.2 slot(s) and 6 x SATA 6Gb/s ports 1 x M.2_1 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)* 1 x M.2_2 socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode) 6 x SATA 6Gb/s port(s), Support Raid 0, 1, 10 LAN Intel® I225-V 2.5Gb Ethernet Audio ROG SupremeFX8-Channel High Definition Audio CODEC S1220A USB Ports Rear USB Port ( Total 8 ) 2 x USB 3.2 Gen 2 port(s)(1 x Type-A +1 x USB Type-C®) 4 x USB 3.2 Gen 1 port(s)(4 x Type-A) 2 x USB 2.0 port(s) Front USB Port ( Total 6 ) 2 x USB 3.2 Gen 1 port(s) 4 x USB 2.0 port(s) https://rog.asus.com/motherboards/rog-strix/rog-strix-b550-a-gaming-model/