Hyperx savage 8gb ddr4 2666mhz intel xmp cl13 dimm memory description hyperx hx426c13sb28 is a 1g x 64 bit 8gb ddr4 2666 cl13 sdram synchronous dram 2rx8 memory module based on sixteen 512m x 8 bit fbga components each module supports intel xmp extreme memory profiles each module has been tested to run at ddr4 2666 at a low latency timing of 13 15 15 at 135v the spds are programmed to jedec standard latency ddr4 2133 timing of 15 15 15 at 12v each 288 pin dimm uses gold