Cisco shapes the future by creating unprecedented value and opportunity for its customers, employees, investors, and ecosystem partners. As a leading manufacturer of network products, Cisco backs them with all the necessary hardware and software. Cisco provides common functionality, scalability, and security for its products. The company produces powerful memory upgrades to increase the productivity of your systems.Cisco packet memory configuration options consist of four DIMMs of the same type and size (two DIMMs for the Rx socket pair and two DIMMs for the Tx socket pair). Cisco offers you this packet memory for Engine 0 Cisco 12000 Series Internet router line card.