Specifications of the Motherboard Processors with LGA1851 socket support: Compatibility with Intel CoreTM Ultra Processors Chipset Socket for the Intel® Z890 Express Chipset LGA 1851 Type of Memory DDR5 Memory Slots 4 Memory Limit Memory Bus Speed: 256GB DDR5 compatibility The memory modules are as follows: 9200 (O.C.) / 9066(O.C.) / 8933(O.C.) / 8800(O.C.) / 8600(O.C.) / 8400(O.C.) / 8266(O.C.) / 8200(O.C.) / 8000(O.C.) / 7950(O.C.) / 7900(O.C.) / 7800(O.C.) / 7400(O.C.) / 7200(O.C.) / 7000(O.C.) / 6800(O.C.) / 6600(O.C.) / 6400 / 6200 / 6000 / 5800 / 5600MT/s memory modules. Four DIMM sockets for DDR5 allowing for a maximum system memory of 256 GB (64 GB per DIMM). Memory architecture with two channels Support for 1Rx8/2Rx8 ECC Un-buffered DIMM memory modules (which function in non-ECC mode) Support for 1Rx8/2Rx8/1Rx16 non-ECC un-buffered DIMM memory modules Extreme Memory Profile (XMP) memory module compatibility Support for the CUDIMM memory module (supported memory types may vary depending on the CPU and memory configuration)