HP N77542-001 is a 32GB DDR4 memory module for expanding memory in supported servers and workstations. It uses the registered DIMM (RDIMM) format and is listed as Single Rank (SKO).
The module operates at 3200 MT/s and supports ECC, which detects and corrects certain memory errors. This can help maintain data integrity in systems designed for ECC memory. The distributor lists this part for the HP Z4 G4 Workstation; system support depends on its memory configuration.