The product is a set of two 128MB Micron SODIMM RAM modules with a total capacity of 256MB. Made in the United States, these SO-DIMM modules have a bus speed of PC-66 and are SDRAM type. Specifically designed for laptops or other compact devices, these modules offer a reliable and high-quality upgrade to your computer's memory capacity. Ideal for boosting performance and multitasking capabilities, this RAM set is a great choice for enhancing your computing experience.