The product is a set of two G Skill F3-10600CL9D-8GBNT DDR3 PC3-10600 desktop RAM modules, each with a capacity of 4GB. These DIMM modules are designed for DDR3 SDRAM technology with a bus speed of PC3-10600 (DDR3-1333) and a total capacity of 8GB. The modules have 240 pins and are sold as a single unit. The G Skill brand is known for producing reliable and high-quality RAM modules suitable for enhancing the performance of desktop computers.