The QSFPTEK 4-Pack QT-SFP-10G-T is a set of SFP+ 10G RJ45 transceiver modules designed for use with Cisco switches. These modules have a maximum data rate of 10 Gbps and are compatible with NetGear and Cisco devices. Each module has a network port that supports SFP connectors and a cable length of 30 meters. Ideal for enterprise networking setups, these units offer high-speed, reliable data transmission for a variety of network applications.