The Refurbished 44T1488 IBM 4GB DDR3 Registered Server Memory is a cost-effective option for businesses and organizations that need to upgrade the memory on their servers. This module has a capacity of 4GB and is designed for use in servers that support DDR3 memory. It is rigorously tested and refurbished to ensure optimal performance, and its registered design allows for improved stability and reliability. This module is a good choice for organizations looking for an affordable and reliable memory upgrade for their servers.