The VR4CU287228ETP-SG by Viking InterWorks is a DDR 400 (PC3200) module that embodies high capability and reliability for advanced computing needs. This module sports DDR 128Mx72 ECC Reg specifications, providing a total of 1GB of memory capacity. It leverages ECC (Error-Correcting Code) technology to mitigate data corruption, ensuring data integrity and system stability, critical in server environments and workstations where errors can be costly. The module's registered (Reg) design signifies the inclusion of registers that facilitate more stable communication between the memory module and the system's processor, enhancing performance in high-demand scenarios. The 184-pin design ensures compatibility with a diverse range of systems supporting DDR 400 memory modules, making it a versatile option for upgrading existing infrastructure. Produced by Viking InterWorks, a manufacturer known for its quality and reliability in the memory industry, the VR4CU287228ETP-SG stands out for delivering performance and reliability that meet the needs of demanding computing environments.