All Kingston memory modules must perform properly to ensure maximum performance. Therefore, Kingston has developed an industry leading quality process to ensure that Kingston memory delivers superior quality, performance, and 100% compatibility with the computing system the module is designed for. This memory is designed for Fujitsu ErgoPro , ErgoPro x365/500, ErgoPro x365/CL400, ErgoPro x565/450, ErgoPro x565/500; MICRON - NetFRAME NF3100/3101, NetFRAME NF3100/3101 (PIII); Zenith - Express5800 LS2400, Express5800 MC2400. This memory is designed for IBM Intellistation E PRO Pentium.