This Sun Microsystems 501-3136 memory DIMM is a reliable choice for server memory. With a total capacity of 128 MB and ECC memory features, it ensures data integrity and availability. The DIMM is designed to fit in most servers and is a great addition to any server component. The memory is sold as a single module with a capacity of 128 MB, making it an ideal choice for those who need to upgrade their server's memory. It is compatible with various server models and is easy to install. With this Sun Microsystems memory DIMM, you can be confident that your server will run smoothly and efficiently.