Proline - DDR4 - module - 8 GB - DIMM 288-pin - 2133 MHz / PC4-17000 - regi

This Lenovo 4X70F28589 compatible 8GB DDR4-2133MHz single rank registered ECC 1.2V 288-pin CL15 factory original RDIMM is 100% guaranteed to be compatible with your system and to work right the first time. All of the server memory is built to strict JEDEC standards at one of the tier 1 facilities (Samsung, Micron, or Hynix). The products are also guaranteed by federal law to not affect or void OEM warranties.