Axiom 8GB DDR4-2133 UDIMM for HP - P1N52AA, P1N52AT Axiom 8gb Ddr4 Sdram Memory Module - 8 Gb - Ddr4 Sdram - 2133 Mhz Ddr4-2133/pc4-17000 - 1.20 V - Non-ecc - Unbuffered - 288-pin - Dimm