AS400 Memory, iSeries Memory and other IBM i Series Systems and Features are IBM Certified and eligible for new or existing IBM i Maintenance Contracts. Most iSeries Memory is available as new or used/refurbished. View our IBM i Series page to view newer iSeries Memory IBM Power System models. All iSeries systems and parts include a warranty. If your not sure which AS400 Memory is right for your system, please contact us for assistance.