AsRock B450M/ AC Socket AM4 Ryzen
AsRock B450M/AC AMD B450; 4DDR4, 1PCIe3x16,1PCIe 2.0 x16; 4 SATA3, 1 Ultra M.2 (PCIe Gen3 x4) (Depending on CPU); 6 x USB 3.1 Gen1;HDMI.mAtx
https://www.asrock.com/mb/AMD/B450Mac/#Specification
AsRock B450M/AC AMD B450; 4DDR4, 1PCIe3x16,1PCIe 2.0 x16; 4 SATA3, 1 Ultra M.2 (PCIe Gen3 x4) (Depending on CPU); 6 x USB 3.1 Gen1;HDMI.mAtx
https://www.asrock.com/mb/AMD/B450Mac/#Specification
