AddOn 16GB PC3-12800 DDR3-1600MHz ECC Registered CL11 240-Pin DIMM 1.35V Low Voltage Dual Rank Memory Module. The AddOn 46W0672-AM is a high-performance 16GB DDR3 memory module, operating at 1600MHz with ECC Registered technology for enhanced data integrity. With a CAS latency of CL11 and dual-rank configuration, it ensures reliable and efficient performance. This 240-pin DIMM module is low voltage, operating at 1.35V, making it ideal for power-sensitive applications. Perfect for upgrading servers or workstations, it provides robust memory support with improved stability and error correction.