Buying your own modem for Comcast Xfinity is one of the easiest ways to eliminate monthly rental fees, which can save you roughly $180 a year. As of 2026, the best modem for most Xfinity users is the ARRIS SURFboard S34 Go to product viewer dialog for this item.
, which supports multi-gigabit speeds and Xfinity's "Next Gen" upload tiers. which modem should i buy for comcast
Typically retails between $349.99 $249.99 when on sale at NETGEAR Best High-Performance: Netgear Nighthawk CM3000 Go to product viewer dialog for this item. Buying your own modem for Comcast Xfinity is
Users who want multi-gigabit capability at a lower cost—typically around $140. Merchant: Available at retailers like Walmart Best for Xfinity Voice: Netgear Nighthawk CM2050V Go to product viewer dialog for this item. Typically retails between $349
High-speed plans (1 Gbps or 2 Gbps) and users who need reliable performance for video calls and large uploads. Source: Highly recommended by reviewers at Tom's Guide Best Value: Hitron CODA56
It features a 2.5 Gbps Ethernet port and is one of the few modems optimized for Xfinity's new "Mid-Split" architecture, delivering significantly faster upload speeds than older models.