The Samsung M471B2873FHS-CF8 RAM memory modules are DDR3 SDRAM memory modules with a total capacity of 1 GB per module. These memory modules are designed for high performance and are compatible with DDR3 memory slots. With a bus speed of PC3-8500S, they provide fast data transfer speeds for improved system performance. Ideal for upgrading or replacing existing memory modules in computers, these Samsung memory modules offer reliable and efficient performance for various computing tasks.