DESC: Axiom has made reliability the cornerstone of its product strategy and the company is dedicated to exceeding the industry standard when it comes to detail, quality and consistency. Offering perhaps the broadest line of upgrade products in the industry, Axiom manufactures and distributes virtually every type of memory modules available.??This memory is designed for Hewlett-Packard Workstation x2100 1.7G; Hewlett-Packard Workstation x2100 1.9G; Hewlett-Packard Workstation x2100 2.0G; Hewlett-Packard Workstation x2100 2.2G; Hewlett-Packard Workstation x2100 2.4G; Hewlett-Packard Workstation x4000 1.8G; Hewlett-Packard Workstation x4000 2.0G; Hewlett-Packard Workstation x4000 2.2G; Hewlett-Packard Workstation x4000 2.4G.