32GB DDR4 2666 REG Server Memory — FOR E 815100-B21 / 850881-001 / 840758-091

High-capacity FOR E server memory module: 32GB DDR4 2666 REG designed for use in enterprise-class systems. This module corresponds to part numbers 815100-B21, 850881-001 and 840758-091, making it a drop-in replacement or upgrade for compatible servers. Built as a registered (REG) DDR4 DIMM at 2666, it delivers the large capacity and stable buffering expected in server environments.