The product is a lot of 6 mixed DDR3 RAM modules from Corsair, totaling 48GB of capacity. Each module has a capacity of 16GB or 8GB, with 4 modules containing 16GB each and 2 modules containing 8GB each. DDR3 SDRAM technology ensures reliable performance and fast data transfer speeds, making it ideal for upgrading or replacing existing memory modules in a computer system. The lot offers a cost-effective solution for increasing the memory capacity of a system for improved multitasking and overall performance.