Proline - DDR4 - module - 4 GB - DIMM 288-pin - 2133 MHz / PC4-17000 - regi

This HP 804842-001 compatible 4GB DDR4-2133MHz single rank registered ECC 1.2V 288-pin CL15 factory original RDIMM is 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.