orsair Vengeance Series DDR4 SODIMM memory modules are designed for high performance and reliability on 6th generation Intel Core systems, with ICs specially selected for performance potential. No configuration is required to take advantage of the higher speed just plug it in and go. Specification: - Lifetime Warranty - Memory Configuration: SODIMM Non-ECC Unbuffered - Memory Type: DDR3 - Memory Size: 8GB Kit (2 x 4GB) - SPD Latency: 11-11-11-31 - SPD Speed: 2133MHz - SPD Voltage: 1.25V