P07991-B21 HPE DL5X0 GEN10 CLX Upper CPU Mezz Kit

P07991-B21 Overview

The HPE P07991‑B21 DL5x0 Gen10 CLX Upper CPU Mezz Kit is a mezzanine board/enablement module designed to expand the processing and system capabilities of HPE ProLiant DL560 and DL580 Gen10 servers. It is used when configuring these servers with second‑generation Intel Xeon Scalable (CLX) processors and supports additional CPU sockets and associated memory/IO expansion, enabling higher core counts, more memory channels, and enhanced I/O options compared to the base motherboard alone.