Socket AM4Chipset AMD B550 ChipsetDDR4 Memory Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC Supports DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400+ MHz by A-XMP OC MODEMemory Channel DualDIMM Slots 4Max Memory (GB) 128PCI-E x16 2PCI-E x1 2SATAIII 6M.2 Slot 2RAID 0/1/10TPM (header) 1LAN 1x Realtek® 8111H Gigabit LAN controllerUSB 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) 4USB 2.0 ports (Rear) 4Audio ports (Rear) Realtek® ALC892/ALC897 CodecDisplayPort 1HDMI 1DirectX 12Form Factor ATXCrossFire Y