comes with ethernet cable and power cable.The ARRIS / Motorola SurfBoard SB6141 is a white DOCSIS 3.0 cable modem with a maximum downstream data rate of 343 Mbps and a maximum LAN data rate of 1000 Mbps. It features one Ethernet port for connectivity, making it suitable for use with a PC. This modem, branded as ARRIS, is designed for home networking and connectivity, offering reliable high-speed internet access through cable connections. The SB6141 model is a versatile and efficient option for those looking to upgrade their modem device for improved performance and connectivity.