03GX339 Lenovo 128GB CL40 288-Pin RDIMM 1.1V Quad Rank x4 Memory Module

03GX339 Overview

The Lenovo 03GX339 is a 128GB DDR5 Registered DIMM (RDIMM) engineered for enterprise servers and data centers that demand maximum performance, capacity, and reliability. With a speed of 4800 MT/s (PC5-38400) and CL40 latency, it ensures high bandwidth and fast data transfer rates, making it ideal for virtualization, AI, machine learning, large-scale databases, and HPC workloads.
Built with a Quad Rank x4 ECC Registered architecture, this module enhances system reliability by detecting and correcting data errors in real time, providing superior stability in mission-critical environments. Operating at 1.1V, it delivers excellent energy efficiency, reducing power consumption while maintaining peak performance—an essential feature for modern data centers.