This set of 4 memory modules from Sun Microsystems is perfect for enhancing your server's performance. With a total capacity of 64GB, these DDR3-1600 modules are designed for use in enterprise networking and server applications. Each module has 2RX4 ECC, ensuring the reliability and stability of your system. The brand, Sun Microsystems, is known for producing high-quality server components, and this memory set is no exception. Whether for personal or professional use, these modules are sure to provide the necessary boost to your system's capabilities. Upgrade your server's memory today with this top-of-the-line set from Sun Microsystems.