Kingston 4gb ddr4 2133mhz memory module kingston memory is designed manufactured and rigorously tested to meet the exact specifications of each brand name system itrsquos guaranteed to be compatible and backed by a lifetime warranty and legendary kingston reliability specifications memory cas latency 15 component for pcserver ecc no internal memory 4 gb internal memory type ddr4 memory clock speed 2133 mhz memory form factor 288 pin dimm memory layout modules x size 1 x 4 gb memory volt