The Cisco CPAK-10X10G-LR 800-41683-02 Network Switch Modules are high-quality networking components designed for enterprise use. These modules are manufactured by Cisco, a reputable brand known for producing reliable networking equipment. Made in China, these units are tested and come in a quantity of two, ensuring that you have a spare module on hand for any potential issues or emergencies. Perfect for servers and networking setups, these switch modules provide fast and efficient data transfer capabilities.