Modern Spectrum plans typically include the modem at no additional monthly charge . However, a separate WiFi router fee (approx. $5–$7/mo) often applies unless you use your own router.
When purchasing, you must ensure the device is on Spectrum's authorized list and supports your speed tier. Using your own equipment on our network | Spectrum Support
You are responsible for all hardware troubleshooting and replacement costs. Spectrum technicians generally do not support customer-owned equipment. Compatible Modems for Spectrum (Legacy TWC)
High-end retail modems often offer more stable connections and better handle high-speed tiers than standard refurbished ISP units.