// CPU
AMD AM4 Socket for AMD Ryzen™ 5000 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
4 x DIMM, Max. 128GB, 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.)/2800(O.C.)/2666/2400/2133 MHz
Dual Channel Memory Architecture
Graphic
Integrated Graphics in the 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors *
1 x D-Sub
1 x DVI-D
1 x HDMI 2.0b
Expansion Slots
1 x PCIe 3.0 x16 (x16 mode)
2 x PCIe 2.0 x1
Storage
Total supports 1 x M.2 slot(s) and 6 x SATA 6Gb/s ports
1 x M.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
Realtek® RTL8111H
Audio
Realtek ALC887/897 7.1-Channel High Definition Audio CODEC *
USB Ports
Rear USB Port ( Total 6 )
2 x USB 3.2 Gen 2 (up to 10Gbps) port(s)(2 x Type-A)
4 x USB 3.2 Gen 1 port(s)(4 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-A-II/