ASUS PRIME B450M-A II AMD Motherboard

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 *
Refer to www.asus.com for CPU support list

AMD B450

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
ECC Memory (ECC mode) support varies by CPU.
Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
The maximum memory frequency supported varies by processor.

Storage

Total supports 1 x M.2 slot(s) and 6 x SATA 6Gb/s ports
3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics : *1
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA & PCIE 3.0 x 4 mode)
Athlon™ with Radeon™ Vega Graphics Processors : *1
1 x M.2 Socket 3, with M key, type 2242/2260/2280/22110 storage devices support (SATA mode)
3rd/2nd/1st Gen AMD Ryzen™/ 2nd and 1st Gen AMD Ryzen™ with Radeon™ Vega Graphics/ Athlon™ with Radeon™ Vega Graphics Processors :
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