ENET 16GB PC3-10600 DDR3-1333MHz ECC Registered CL9 240-Pin DIMM 1.35V Low Voltage Dual Rank Memory Module. The 627812-B21-ENC is a high-performance 16GB DDR3 memory module, specifically designed for server and workstation applications. It operates at a speed of 1333MHz and features Error-Correcting Code (ECC) to ensure data integrity, making it suitable for critical computing environments. This dual-rank, registered memory module has a low voltage of 1.35V, which reduces power consumption while maintaining efficient performance.