Main B250 Cpu i5 7600k Ram 16gb4 x DDR4 DIMM sockets supporting up to 64 GB of system memoryDual channel memory architectureSupport for DDR4 2400/2133 MHz memory modulesSupport for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in non-ECC mode)Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modulesSupport for Extreme Memory Profile (XMP) memory modules* To support 2400 MHz or XMP memory, you must install a 7th Generation processor.