This product is a lot of Hynix DDR3 SDRAM memory modules, specifically 2 2GB modules and 1 4GB module, totaling 8GB of capacity. The modules have a bus speed of PC3-10600S and are manufactured in South Korea. These memory modules are designed for use in computers and are a reliable option for upgrading or replacing existing memory modules to improve system performance. The Hynix brand is known for producing high-quality memory products, making this lot a dependable choice for enhancing your computer's memory capacity.