P71258-001 HPE 128GB 2RX4 PC5-6400B-R Smart Memory

P71258-001 Overview

The HPE P71258-001 is a 128GB DDR5 Registered DIMM (RDIMM) from the HPE Smart Memory series, purpose-built for HPE ProLiant Gen11 servers. Operating at 6400MT/s (PC5-6400B-R), it delivers ultra-high bandwidth and low-latency memory performance, making it ideal for compute-intensive workloads such as AI/ML training, virtualization clusters, and large-scale database processing.This module features 2Rx4 dual-rank architecture to maximize throughput in multi-channel configurations and supports ECC (Error-Correcting Code) to ensure data integrity and improve system stability. As part of HPE’s Smart Memory line, it offers enhanced reliability, energy efficiency, and compatibility — including advanced monitoring features for predictive failure analysis.