The product is a set of two 512MB PC133 SDRAM memory modules (16 chips per modules - low density) with a total capacity of 1GB. These DIMM modules have 168 pins and are designed for desktop computers. The memory modules are non-parity and have a low den, making them suitable for various computer systems. This third-party product offers reliable and efficient memory performance for enhancing the speed and functionality of a computer system.