// CPU AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors * Chipset AMD B450 Memory 2 x DIMM, Max. 64GB, DDR4 4400(O.C)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3300(O.C.)/3200(O.C.)/3000(O.C.)/2933(O.C.)/2800(O.C.)/2666/2400/2133 MHz Un-buffered Memory * Dual Channel Memory Architecture Graphic 1 x D-Sub 1 x DVI-D 1 x HDMI 2.0b Expansion Slots 1 x PCIe 3.0 x16 (x16 mode) 1 x PCIe 3.0 x16 (x4 mode) 2 x PCIe 2.0 x1 Storage Total supports 1 x M.2 slot(s) and 4 x SATA 6Gb/s ports 1 x M.2 Socket 3, with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode) 4 x SATA 6Gb/s port(s), Support Raid 0, 1, 10 LAN Realtek® RTL8111H, 1 x Gigabit LAN Controller(s) Audio Realtek ALC887/897 7.1-Channel High Definition Audio CODEC * USB Ports Rear USB Port ( Total 6 ) 4 x USB 3.2 Gen 1 port(s)(4 x Type-A) 2 x USB 2.0 port(s)(2 x Type-A) Front USB Port ( Total 6 ) 2 x USB 3.2 Gen 1 port(s) 4 x USB 2.0 port(s) https://www.asus.com/Motherboards-Components/Motherboards/PRIME/PRIME-B450M-K-II/