This Kingston Hyper X Fury DDR4 RAM is a great addition to any computer setup. With a total capacity of 8GB, this kit includes two 4GB modules and is designed to work with PC4-17000 (DDR4-2133) bus speeds. The DIMM form factor ensures that it will fit in a variety of computer cases. The model number hx421c14fbk2/8 makes it easy to identify and the brand name Kingston is synonymous with high-quality computer components. This DDR4 SDRAM is perfect for upgrading your computer's memory capacity and speed.