Built for the fastest multi-gig plans, it supports upload speeds up to 1 Gbps and download speeds up to 2.5 Gbps, making it the most future-proof option currently on the market.
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.
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. which modem should i buy for comcast
, which supports multi-gigabit speeds and Xfinity's "Next Gen" upload tiers.
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. Built for the fastest multi-gig plans, it supports
If you have an Xfinity "Triple Play" bundle that includes a home phone line, this is the only major retail modem that features the necessary phone ports.
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. Typically retails between $349
This is a budget-friendly DOCSIS 3.1 modem that still includes a 2.5 Gbps port, making it future-proof for plans faster than 1 gig without the high price tag of premium brands.