Looking for a reliable cable modem that can handle your internet needs? Look no further than the Motorola SURFboard SB5100. This black modem device is compatible with Cablevision and offers connectivity options including USB and a single Ethernet (RJ-45) port. Plus, with its compact design and easy installation, this device is perfect for home networking and connectivity. The SB5100 from Motorola comes with a manufacturer warranty of none, but don't let that deter you from its high-quality performance. Its number of LAN ports is 1 and it is ideal for Cable modems and routers, making it a perfect fit for those who want a no-fuss modem with no need to worry about the condition. Purchase this cable modem from eBay with confidence today!