G.SKILL International Co. Ltd., the leading high performance memory designer and manufacturer, is proud to announce breaking the DDR4 memory speed record at 4004 MHz extreme frequency. G.SKILL never stops pushing the computing performance to the limits. Over the past few months, G.SKILL has been dedicated to develop the fastest DDR4 memory and test the performance boundary on the latest Intel X99 platform. All the hard work has finally paid off. G.SKILL Ripjaws 4 Series DDR4 memory broke the DDR4 4 GHz barrier under LN2 extreme cooling, using the ASUS ROG X99 Rampage V Extreme Motherboard and Intel Core i7-5930K CPU. This incredible score has been validated by CPU-Z.