Axiom 16GB PC3-14900 DDR3-1866MHz ECC Registered CL13 240-Pin DIMM 1.5V Dual Rank Memory Module. This Axiom 16GB PC3-14900 DDR3-1866MHz ECC Registered CL13 240-Pin DIMM 1.5V Dual Rank Memory Module is a high-performance RAM module designed for servers and workstations. It offers 16GB of memory capacity with DDR3 technology, operating at a speed of 1866MHz. The module supports ECC (Error-Correcting Code) for enhanced reliability, features a CL13 latency, and utilizes a 240-pin DIMM form factor compatible with systems requiring this specification.