G.Skill F4-4000C18Q-32GVK Ripjaws V 32GB (4x 8GB) DDR4 4000MHz Memory, Black, Speed 4000MHz, Capacity 32GB (4x 8GB), 42mm Modular Height, Voltage 1.35V, Latency CL18-22-22-42, Unbuffered, Non-ECC, Intel XMP 2.0 (Extreme Memory Profile) Ready. The G.Skill F4-4000C18Q-32GVK Ripjaws V is the newest DDR4 memory designed for maximum compatibility and cutting-edge performance with the latest Intel Core processors.