The product is a pair of Kingston 4GB 1Rx16 PC4-2400T DDR4 SDRAM memory modules, totaling 8GB of capacity. These SO-DIMM 260 pin modules are designed for high performance at a bus speed of PC4-19200 (DDR4-2400). Made by Kingston, a trusted brand in the industry, these memory modules are ideal for upgrading your computer's memory capacity for improved speed and responsiveness. With a sleek form factor and reliable manufacturer warranty, these memory modules are a great choice for enhancing your computing experience.