If you choose to use your own modem, ensure it is on Spectrum's approved list to guarantee compatibility and performance. ARRIS SURFboard S33

: A highly-rated DOCSIS 3.1 multi-gig modem with a 2.5 Gbps port, ideal for Spectrum's Gig plans NETGEAR Nighthawk CM2000

While Spectrum provides a modem for free, many users recommend buying a separate high-quality router to improve Wi-Fi range and management. NETGEAR Nighthawk AX1800 Go to product viewer dialog for this item.