This QSFP-40G-LR4-S 40GBase Optical LC QSFP Transceiver Module is a high-quality networking device designed to provide optimal connectivity for your enterprise. It is compatible with Cisco brand products and features a range of network ports including Optical LC, Ethernet (RJ-45), and SFP. The unit type is a module and it comes with a manufacturer warranty of one year. The module is made in Malaysia and is perfect for those looking to expand their network infrastructure. It is ideal for use in switches and hubs, and is part of the Enterprise Networking, Servers category. With this module, you can be sure that your network is secure and reliable.