Kingston valueram 4gb 1x4gb memory module ddr4 2133mhz cl15 non ecc 288 pin dimm 12v unbuffered sr x8 valueram39s 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 standard latency ddr4 2133 timing of 15 15 15 at 12v each 288 pin dimm uses gold contact fingers power supply vdd12v typical vddq 12v typical vpp 25v typical vddspd22v to 36v nominal and dynamic