The HPE 128 GB (1×128 GB) Quad Rank ×4 DDR5‑4800 CAS‑46‑39‑39 EC8 Registered 3DS Smart Memory Kit (P43334‑B21) delivers high-density, high-performance memory designed for modern HPE Gen11 servers. Utilizing 3D-stacked DIMM technology, this RDIMM offers improved capacity and efficiency while maintaining enterprise-grade reliability and compatibility with HPE platforms.