Memory Series: VENGEANCE SODIMM, Memory Type: DDR4, Memory Size: 64GB Kit (2 x 32GB), Tested Latency: 18-18-18-43, Tested Voltage: 1.2V, Tested Speed: 2666MHz, SPD Latency: 18-18-18-43, SPD Speed: 2666MHz, SPD Voltage: 1.2V, Speed Rating: PC4-21300 (2666MHz), Compatibility: Intel 300 Series,Intel 400 Series, Package Memory Format: SODIMM Corsair Vengeance Series DDR4 SODIMM memory modules are designed for high performance on 6th generation Intel Core systems. No configuration is required to take advantage of the higher speed – just plug it in and go.