Brute Networks 4X71M22549-BN is an OEM compatible 32GB PC5-38400 DDR5-4800Mhz 2Rx8 ECC Registered RDIMM, equivalent to Lenovo labeled PN#: 4X71M22549 Brute Networks modules are all major brand. This module is guaranteed compatible with your server, as well as guaranteed to maintain your factory warranty, since they are from the same manufacturers the OEM uses for their branded modules. All orders will be filled with identically matching modules, and are warrantied for life.