Specifications of the Motherboard AMD RyzenTM 5000 G-Series Processors; AMD RyzenTM 5000 Series Processors; AMD RyzenTM 4000 G-Series Processors; AMD RyzenTM 3000 and RyzenTM 3000 G-Series Processors; Supported Processors AMD Socket AM4 Chipset AMD A520 Memory Bus Speed Memory Type DDR4 Maximum Memory 64GB Up to 64 GB of system memory (32 GB for a single DIMM) can be supported by two DDR4 DIMM sockets. Support for DDR4 memory modules at frequencies of 5100 MHz, 4800 MHz, 4600 MHz, 4400 MHz, 4266 MHz, 4133 MHz, 4000 MHz, 3866 MHz, 3733 MHz, 3600 MHz, 3466 MHz, 3400 MHz, 3200 / 2933 / 2667 / 2400 / 2133 MHz Dual channel memory architecture Support for 1Rx8/2Rx8 DIMM memory modules with unbuffered ECC (that run in non-ECC mode) Support for DIMM 1Rx8/2Rx8/1Rx16 non-ECC Un-buffered memory modules Support for memory modules with the Extreme Memory Profile (XMP) Ports PS/2 keyboard and mouse port one One x