The Viking Components 370-3797 is a lot of 4 64MB DIMM memory modules designed for Sun Ultra AX servers. These ECC RAM modules have a total capacity of 64MB, with each module providing 64MB of memory. With a bus speed of 50ns and 168 pins, these memory modules are specifically made for high-performance server applications that require reliable and efficient memory storage. Ideal for enterprise networking and server components, these modules offer a dependable solution for enhancing server capabilities and performance.