AddOn 16GB Factory Original RDIMM for HP 500666-B21 - DDR3 - 16 GB - DIMM 240-pin

This HP 500666-B21 compatible 16GB DDR3-1066MHz quad rank registered ECC 1.35V 240-pin CL9 factory original RDIMM 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.