The G.Skill RipJaws DDR 4 3000c 15Q 16GRR 16GB RAM kit includes four 4GB DDR4 modules, with a total capacity of 16GB. Each module has a capacity of 4GB, and they run at a bus speed of PC4-24000. This RAM is designed for high performance and is ideal for enhancing the speed and efficiency of your computer's memory capacity. G. SKILL is a trusted brand known for producing reliable and high-quality memory modules, making this product a solid choice for improving your system's performance.