The product is a 20GB memory module with 5 4GB modules, providing a total capacity of 20GB. It features ECC memory for error correction and is designed as a DDR3 SDRAM with a bus speed of PC3-12800U (DDR3-1600). The form factor is DIMM, with 240 pins, and made by the brand Micron. This memory module is suitable for improving the performance and efficiency of computer systems requiring reliable and high-capacity memory storage.