Axiom 16GB PC4-17000 DDR4-2133MHz Registered ECC CL15 288-Pin DIMM 1.2V Dual Rank Memory Module. This Axiom 16GB PC4-17000 DDR4-2133MHz Registered ECC CL15 288-Pin DIMM is a high-performance memory module designed for demanding server environments. It features 16GB of capacity, operates at a speed of 2133MHz, and uses DDR4 technology with a PC4-17000 data rate. This dual-rank module incorporates ECC (Error-Correcting Code) for enhanced data integrity and reliability. It has a CAS latency of 15 and runs at a low voltage of 1.2V, contributing to energy efficiency. The 288-pin DIMM form factor ensures compatibility with a wide range of server motherboards.