CPU (Max Support) RYZEN 9 Socket AM4 Chipset AMD B550 Chipset DDR4 Memory 5100(OC)/ 5000(OC)/ 4866(OC)/ 4800(OC)/ 4600(OC)/ 4533(OC)/ 4400(OC)/ 4300(OC)/ 4266(OC)/ 4200(OC)/ 4133(OC)/ 4000(OC)/ 3866(OC)/ 3733(OC)/ 3600(OC)/ 3466(OC)/ 3400(OC)/ 3333(OC)/ 3300(OC)/ 3200(JEDEC)/ 3000(JEDEC)/ 2933(JEDEC)/ 2666(JEDEC)/ 2400(JEDEC)/ 2133(JEDEC) MHz Memory Channel Dual DIMM Slots 4 Max Memory (GB) 128 PCI-E x16 2 PCI-E x1 2 SATAIII 6 M.2 Slot 2 RAID 0/1/10 LAN 1x Realtek® RTL8125B 2.5G LAN + 1x Realtek® RTL8111H 1G LAN USB 3.2 ports (Front) 1(Gen 1, Type C), 2(Gen 1, Type A) USB 3.2 ports (Rear) 1(Gen 2, Type C), 1(Gen 2, Type A), 2(Gen 1, Type A) USB 2.0 ports (Front) 4 USB 2.0 ports (Rear) 2 Audio ports (Rear) 5+ Optical S/PDIF (Realtek® ALC1200 / ALC1220P Codec) DisplayPort 1 HDMI 1 DirectX 12 Form Factor ATX CrossFire Yes Operating System Support for Windows® 10 64-bit