AddOn 16GB PC3-10600 DDR3-1333MHz ECC Registered CL9 240-Pin DIMM 1.35V Low Voltage Dual Rank Memory Module. The AddOn 16GB PC3-10600 DDR3-1333MHz ECC Registered CL9 240-Pin DIMM 1.35V Low Voltage Dual Rank Memory Module offers reliable performance and enhanced stability for servers and high-performance computing environments. With a capacity of 16GB, DDR3-1333MHz speed, ECC Registered support, and low voltage operation at 1.35V, it ensures efficient data handling and reduced power consumption.