The GSkill RipjawsX 8GB 4x2 F3-14900CL9D-8GBXL is a high-quality memory kit designed for computer enthusiasts. With a total capacity of 8GB split into two 4GB modules, this DDR3 SDRAM memory is ideal for boosting the performance of your system. The G.Skill RipJaws X DDR3-1866 model is PC3-14900 (DDR3-1866) bus speed capable and features Intel XMP Ready memory features, ensuring reliable and efficient operation. Additionally, the memory kit comes with a lifetime manufacturer warranty, making it a reliable choice for long-term use.