CPU (MAX SUPPORT) : RYZEN SOCKET : AM4 CHIPSET : AMD® B450 Chipset DDR4 MEMORY : 1866/ 2133/ 2400/ 2667Mhz (by JEDEC) For AMD Ryzen Gen3 (R5/R7/R9) 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3733/ 3866/ 4000/ 4133 MHz (by A-XMP OC MODE) For AMD Other CPU 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466 MHz (by A-XMP OC MODE) MEMORY CHANNEL : Dual DIMM SLOTS : 2 MAX MEMORY (GB) : 64 PCI-E X16 : 1 PCI-E GEN : Gen 3 PCI-E X1 : 1 SATAIII : 4 M.2 SLOT : 1 TPM (HEADER) : 1 LAN : 1x Realtek® 8111H USB 3.2 PORTS (FRONT) : 2(Gen1, Type A) USB 3.2 PORTS (REAR) : 4(Gen1, Type A) USB 2.0 PORTS (FRONT) : 4 USB 2.0 PORTS (REAR) : 2 SERIAL PORTS(FRONT) : 1 AUDIO PORTS (REAR) : Realtek® ALC892/ALC897 Codec DVI-D : 1 HDMI : 1 DIRECTX : 12 FORM FACTOR : m-ATX OPERATING SYSTEM : Support for Windows® 10 64-bit Support for Windows® 7 64-bit * To support Windows® 7 64-bit, you must install an AMD Pinnacle Ridge & Summit Ridge CPU.