The Spectrum E31N2V1 DOCSIS 3.1 Cable Modem eMTA Voice 1Gbps in Black is a high-speed modem designed for use with PCs. With a maximum downstream data rate of 1 Gbps, this modem ensures fast and reliable internet connectivity. It features a single Ethernet port (RJ-45) for wired connectivity and is designed to fit a PC setup. Additionally, it includes voice capabilities and is compatible with the DOCSIS 3.1 standard for enhanced performance. Made by Spectrum, a trusted brand in home networking and connectivity, this cable modem is a reliable choice for those seeking high-speed internet access.