Link SOCKET CPU (MAX SUPPORT) CHIPSET DDR4 MEMORY MEMORY CHANNEL DIMM SLOTS MAX MEMORY (GB) PCI-E X16 PCI-E X1 SATAIII M.2 SLOT RAID LAN USB 3.2 PORTS (FRONT) USB 3.2 PORTS (REAR) USB 2.0 PORTS (FRONT) USB 2.0 PORTS (REAR) AUDIO PORTS (REAR) DISPLAYPORT HDMI DIRECTX FORM FACTOR CROSSFIRE OPERATING SYSTEM AM4 RYZEN 9 AMD B550 Chipset 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/ 4466/ 4533/ 4600/ 4866/ 5000/ 5100 MHz by A-XMP OC MODE Dual 4 128 2 2 6 2 0/1/10 1x Realtek® RTL8125B 2.5G LAN 1(Gen 1, Type C), 2(Gen 1, Type A) 1(Gen 2, Type C), 1(Gen 2, Type A), 2(Gen 1, Type A) 4 2 5+ Optical S/PDIF (Realtek® ALC1200 Codec) 1 1 12 ATX Y Support for Windows® 10 64-bit