The 878366-B21 is an HPE 16GB (1x16GB) Dual Rank x4 DDR4-2666 CAS-19-19-19 Registered Smart Memory Kit, designed for HPE ProLiant servers, providing 16GB of DDR4 memory operating at 2666MHz. It features a dual-rank x4 configuration, CAS latency of 19, and registered DIMM technology, along with HPE SmartMemory features for enhanced reliability and performance in server environments.
