G.Skill F4-2133C15D-16GFT Desktop Ram, Memory DDR4, Capacity 16GB (8GBx2), Dual Channel Kit, Tested Speed 2133MHz, Tested Latency 15-15-15-35, Tested Voltage 1.20V, Unbuffered, Error Checking Non-ECC, SPD Speed 2133MHz, Fan Included No, Warranty Limited Lifetime. G.Skill DDR4-2133 SD RAM 16GB Fortis Series Desktop Ram (F4-2133C15D-16GFT) FORTIS is Latin for "strength", signifying the power and unyielding performance of the FORTIS series DDR4 gaming memory.