Motherboard Asus Prime B550M-A AM4 DDR4

Specifications :

Model
PRIME B550M-A

CPU
AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop

Chipset
AMD B550
Memory
4 x DIMM, Max. 128GB, DDR4 4866(O.C)/4800(O.C.)/4600(O.C)/4466(O.C.)/4400(O.C)/4333(O.C.)/4266(O.C.)/4200(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3400(O.C.)/3333(O.C.)/3200/3000/2933/2800/2666/2400/2133 MHz Un-buffered Memory *
Dual Channel Memory Architecture
ECC Memory (ECC mode) support varies by CPU.

Graphic
1 x D-Sub
1 x DVI-D
1 x HDMI 2.1(4K@60HZ)

Expansion Slots
AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors
1 x PCIe 4.0 x16 (x16 mode)
AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors
1 x PCIe 3.0 x16 (x16 mode)
AMD B550 Chipset
2 x PCIe 3.0 x1

Form Factor
mATX Form Factor
9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )