4X77A81438-AX Axiom 32GB PC5-38400 DDR5-4800Mhz ECC Registered CL40 Memory Module

4X77A81438-AX Overview

The Axiom 4X77A81438-AX is a 32GB PC5-38400 DDR5-4800MHz ECC Registered DIMM (RDIMM) designed to deliver reliable, high-performance memory capacity for Lenovo ThinkSystem servers and other enterprise-grade platforms. Operating at 4800 MT/s, it provides excellent bandwidth and data transfer rates, ideal for virtualization, high-performance computing (HPC), and large-scale database workloads.This module features a single-rank (1Rx4) design, which enhances latency performance and channel efficiency, allowing stable performance even in servers with multiple DIMMs per channel. Integrated ECC (Error-Correcting Code) functionality safeguards system data integrity, automatically correcting single-bit errors to minimize downtime and prevent data corruption — a must-have for mission-critical workloads.