Gigabyte ga x99 ultra gaming socket lga2011 3 atx motherboard specifications cpu support for intel core i7 processors in the lga2011 3 package l3 cache varies with cpu chipset intel x99 express chipset memory 8 x ddr4 dimm sockets supporting up to 128 gb of system memory support for up to 256 gb of system memory when using registered dimms due to a windows 32 bit operating system limitation when more than 4 gb of physical memory is installed the actual memory size displayed will be l