ENET Compatible 7304IOCFM256M – 256 MB Flash Memory – Lifetime Warranty OEM PN 7304-I/O-CFM-256MeNet Components manufactures compatible memory solutions for Cisco routers, switches, and networking platforms. Our compatible DRAM and Flash upgrades are RoHS compliant and built to the highest quality standards to meet or exceed the original equipment manufacturers specifications. This enables each memory upgrade to be compatible with later operating software releases as they become available. Each product is tested in the same environment application as it is sold for to ensure 100% compatibility and functionality. Our eNet compatible memory solutions will not void your SmartNet warranty. All of our memory products come with a lifetime replacement warranty. Please utilize the help of our configuration tool below to help you make your choices.