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 Compaq ProLiant 3000 6/500 (500Mhz Intel Pentium III); Compaq ProLiant 3000R 6/500 (500Mhz Intel Pentium III); Compaq Proliant 3000 6/550 Model 1 (550MHz Intel Pentium III); Compaq Proliant 3000 6/550 Model Array (550MHz Intel Pentium III).