This HP® P11040-B21 Compatible Factory Original 128GB DDR4-2933MHz Load-Reduced ECC Quad Rank x4 1.2V 288-pin CL21 LRDIMM is 100% guaranteed to be compatible with your system and to work right the first time. All of our server memory is built to strict JEDEC standards at one of the tier 1 facilities (Samsung®, Micron®, or Hynix®). Our products are also guaranteed by federal law to not affect or void OEM warranties.
