The Sercom DM1000 Cable Modem is a high-quality DOCSIS 3.1 modem designed for home networking and connectivity. It comes in a sleek black color and includes a power supply for convenience. With one LAN port, this modem is perfect for connecting multiple devices to your cable internet connection. The Sercom DM1000 is a reliable and efficient choice for those looking to upgrade their internet setup.complete with box and power supply