The Kingston 16GB PC4 2666V DDR4 SODIMM RAM Modules consist of two 8GB modules, providing a total capacity of 16GB. Designed for high performance, these DDR4 SDRAM modules have a bus speed of PC4-21300 (DDR4-2666) and are equipped with ECC memory for enhanced reliability. With a compact SO-DIMM form factor and 260 pins, these RAM modules are ideal for computers and laptops requiring efficient memory management. Made in China by Kingston, a trusted brand in computer components, these memory modules offer a reliable and high-quality solution for boosting system performance.