ASUS PRIME B450M-A II AMD B450 (Ryzen AM4) micro ATX motherboard with M.2 support, HDMI/DVI-D/D-Sub, SATA 6 Gbps, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A, BIOS FlashBack™, and Aura Sync RGB lighting support
Comprehensive cooling: VRM heatsink, PCH heatsink, and Fan Xpert 2+
Ultrafast connectivity: M.2 support, 1 Gb Ethernet, and USB 3.2 Gen 2 Type-A
5X Protection III: Multiple hardware safeguards for all-around system protection
Aura Sync RGB Lighting: Onboard connector for RGB LED strips, easily synced with an ever-growing portfolio of Aura Sync-capable hardware

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
3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors
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 Un-buffered Memory *
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
3rd/2nd/1st Gen AMD Ryzen™ Processors 1 x PCIe 3.0 x16 (x16 mode)
2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics Processors 1 x PCIe 3.0 x16 (x8 mode)
AMD Athlon™ with Radeon™ Vega Graphics Processors 1 x PCIe 3.0 x16 (x4 mode)
AMD B450 chipset 2 x PCIe 2.0 x1

Storage Total supports 1 x M.2 slot(s) and 6 x SATA 6Gb/s ports
2 x SATA 6Gb/s port(s), Support Raid 0, 1, 10
AMD B450 chipset : 4 x SATA 6Gb/s port(s), Support Raid 0, 1, 10

LAN Realtek® RTL8111H ASUS LANGuard

mATX Form Factor 24.4 cm x 24 cm