HP® 593915-S21 Compatible Factory Original 16GB DDR3-1066MHz Registered ECC Quad Rank 1.35V 240-pin CL9 RDIMM

This HP® 593915-S21 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.