Know your gear
This HP 752368-081 compatible 8GB DDR4-2133MHz single rank registered ECC 1.2V 288-pin CL15 factory original RDIMM kit is 100% guaranteed to be compatible with your system and to work right the first time. The server memory is built to strict JEDEC standards at one of the tier 1 facilities (Samsung, Micron, or Hynix).