Motherboard series asrock x370 form factor atx supports multi core processors 8 core compatible cpus amd ryzen 3 amd ryzen 5 amd ryzen 7 processor codenames bristol ridge summit ridge chipset amd x370 cpu support to 95 watt memory slot 4 ram operation mode dual channel ram type ddr4 memory clock speed 2 667 mhz specification pc4 21336 maximum memory expansion 64 gb pcie 30 number of pci x x 16 slots 2 number of pci x x 1 slots 4 network port