Kingston 4gb ddr4 2133mhz non ecc memory module description this document describes valuerams 512m x 64 bit 4gb ddr4 2133 cl15 sdram synchronous dram 1rx8 memory module based on eight 512m x 8 bit fbga components the spd is programmed to jedec standar latency ddr4 2133 timing of 15 15 15 at 12v each 288 pin dimm uses gold contact fingers the electrical and mechanical specifications are as follows features power supply vdd12v typical vddq 12v typical vpp 25v ty