The product is a 16GB DDR-IV RAM module with a speed of 2666 MHz. It is designed to improve the memory capacity of a computer, allowing for smoother and faster performance. This memory module is suitable for upgrading existing systems or for use in new builds to enhance overall efficiency and speed. With its DDR-IV technology and high speed, it is a reliable option for users looking to enhance their computer's memory capabilities. Pulled from a working HP computer last week. Purchased last year new.