Motherboard ASROCK B550 Pro4:This motherboard by ASROCK is built using the AMD B550 chipset and has the AMD AM4 for the processor. And, of course, it is also equipped with a sound card made for 8 channels To house the model, you will need a case which fits the ATX format. It is a larger motherboard for the extremely powerful builds, which will need rows of cards and complex cooling. ASROCK B550 Pro4 Motherboard Key Features Uses AMD AM4 socket and the AMD B550 chipset Format of this ASROCK B550 Pro4: ATX Integrated sound card for 8 channels For RAM type DDR4 in DIMM form The motherboard can hold 4 × memory modules, which use Dual-channel ASROCK B550 Pro4 Motherboard Connectivity For the very important RAM, this motherboard by ASROCK is equipped with 4 slots. You may attach DDR4 type memory in DIMM format. Its possible to connect them in Dual-channel mode. The motherboard will support models with a frequency maximum of 4733 MHz. The ASROCK B550 Pro4 and its adaptors This motherboard can connect to your 2 graphics cards using the PCI Express 16x slots. The internal interface is also equipped with the popular M.2 connector. It has 2.