
Renting gear from your cable company quietly drains money every single month, and a combo unit is the simplest way to stop it. We lined up 10 modem router combos and sorted them by what they actually deliver per dollar. The right one folds your modem and Wi-Fi into a single box that pays for itself.
A modem router combo collapses two devices into one, which is why the calculus here is different from buying a standalone router. You are betting on a single box to handle both the link to your cable provider and the Wi-Fi inside your walls, so provider compatibility, Docsis generation, and coverage square footage carry more weight than headline speed numbers alone. Across these 10 picks you will see Docsis 3.0 and Docsis 3.1 modems, WiFi 5 and WiFi 6 radios, and coverage claims that range from roughly 1,800 to 2,500 sq. ft. To assemble this guide we pulled current Amazon specifications, product images, and pricing for the 10 most relevant combos, then scored each on capability, value, and how cleanly it fits a real household. We weighed channel bonding, Ethernet port counts, named provider approvals (Xfinity, Spectrum, Cox), and coverage against what you pay. The order below reflects that balance, with quick verdicts up top and a full per-model breakdown after.
The short version: The Netgear Nighthawk Modem Router Combo (CAX30) earns our top spot, pairing a Docsis 3.1 cable modem with a WiFi 6 router and coverage up to 2,000 sq. ft. For shoppers watching every dollar, the Motorola MG7550 Modem Wi-Fi Router Combo is the value pick, bundling a 16x4 Docsis 3.0 modem with built-in AC1900 dual-band Wi-Fi.


| Image | Product | Features | Price |
|---|---|---|---|
Editor's Choice ![]() |
| Check Price on Amazon Read Full Review | |
Best Value ![]() |
| Check Price on Amazon Read Full Review | |
Premium Pick ![]() |
| Check Price on Amazon Read Full Review | |
![]() |
| Check Price on Amazon Read Full Review | |
![]() |
| Check Price on Amazon Read Full Review | |
![]() |
| Check Price on Amazon Read Full Review | |
![]() |
| Check Price on Amazon Read Full Review | |
![]() |
| Check Price on Amazon Read Full Review | |
![]() |
| Check Price on Amazon Read Full Review | |
![]() |
| Check Price on Amazon Read Full Review |
This CAX30 sits at the front of the pack because it covers the essentials without overreaching: a Docsis 3.1 modem with 32x8 channel bonding, an AX2700 WiFi 6 router, and coverage up to 2,000 sq. ft. It works with Xfinity, Spectrum, Cox, and more, and drops in as a single replacement for your old modem and router. Four 1-Gig Ethernet ports with port aggregation and a USB 3.0 port round out the wired side.
The Arris G34 makes a strong case for value-focused shoppers who still want current Wi-Fi. Its Docsis 3.1 modem supports cable plans up to 2.5 Gbps, and the dual-band WiFi 6 (AX3000) radio is rated up to 3 Gbps of wireless performance for a whole home. A space-saving design with clear LED indicators for power, upstream, downstream, and online status keeps setup approachable.
For homes on mainstream cable plans, this C7000 covers the bases at a friendlier tier. It is a two-in-one Docsis 3.0 modem and WiFi 5 AC1900 router with 24x8 channel bonding and Beamforming+, covering up to 1,800 sq. ft. It works with Xfinity at 800 Mbps and Cox at 500 Mbps, and the free Nighthawk app gets it running in minutes.
This CAX30S is the security-conscious sibling in the Nighthawk line, adding built-in safety features and updates on top of a Docsis 3.1 modem and AX2700 WiFi 6 router. Coverage runs up to 2,000 sq. ft., and it works with Xfinity, Spectrum, and Cox. Four 1-Gig Ethernet ports with port aggregation and a USB 3.0 port handle wired gear.
This Renewed C7000 is about stretching a budget while still owning your hardware. It is rated to replace your modem and router, saving up to /yr in rental fees, and is best for cable plans up to 800 Mbps. AC1900 speeds support up to 1,800 sq. ft. of coverage and as many as 30 connected devices, and it accepts 120 to 240V input.
This Renewed C7000 keeps things lean, listed as compatible with major cable providers including Xfinity by Comcast and Cox. It is the pared-back option for shoppers who mainly want a working combo at a low tier and do not need a long feature sheet. Treat it as a basic, budget-first pick rather than a flagship.
The CAX80 is the ceiling-raiser here, built for big plans and big homes. Its Docsis 3.1 modem supports cable plans up to 2 Gbps, the AX6000 WiFi 6 radio reaches up to 2,500 sq. ft., and the port layout adds a 2.5 multi-gig LAN port on top of four 1-Gig Ethernet ports and USB 3.0. Built-in security with automatic firmware updates rounds it out.
The MG7550 is the standout for spend-conscious buyers, which is why it carries our value badge. This Certified Refurbished unit packs a 16x4 Docsis 3.0 cable modem with built-in AC1900 dual-band Wi-Fi, four Gigabit Ethernet ports, and a firewall. Folding the modem and router together cuts cable clutter and frees desk space, and it is approved for Comcast Xfinity, Cox, and Charter Spectrum.
The Motorola MG8702 targets buyers chasing the fastest cable tiers without renting hardware. Its Docsis 3.1 modem reaches for the fastest plans available, and the built-in AC3200 router adds Power Boost, Range Boost, and AnyBeam beamforming. A smart Wi-Fi app handles setup, guest networks, usage monitoring, speed testing, and parental controls, and owning it can save up to per year in rental fees.
The Arris SBG10 keeps the formula simple: a Docsis 3.0 16x4 modem with AC1600 Wi-Fi in one two-in-one device, framed around getting high speeds, better coverage, and ownership savings. You plug in, download the SURFboard Central app, and follow the steps to activate and customize your Wi-Fi. It is a basic budget pick best matched to slower plans, so check your provider for compatibility.
Before you pick, line up the specs that decide whether a combo serves your home for years or feels dated in months. The five that matter most for cable combos are the Docsis generation, the Wi-Fi standard, provider compatibility, wired ports, and how much coverage area the unit claims. Weigh each against the price tier, since the highest-scoring pick is rarely the most expensive one.
Our top pick is the Netgear Nighthawk Modem Router Combo (CAX30): it marries a Docsis 3.1 modem with a WiFi 6 router, 2,000 sq. ft. of coverage, and four 1-Gig Ethernet ports with port aggregation, which is why it scored highest for the money. The Motorola MG7550 Modem Wi-Fi Router Combo is the value choice, delivering a 16x4 Docsis 3.0 modem and AC1900 dual-band Wi-Fi with four Gigabit ports and a firewall. If you want the ceiling raised, the premium Netgear Nighthawk Cable Modem and WiFi 6 Router Combo (CAX80) stretches coverage to 2,500 sq. ft. and adds a 2.5 multi-gig LAN port. Honest caveat: the CAX80 is among the heaviest and priciest here, so it only makes sense if your plan and floor plan demand it.
The Netgear Nighthawk Modem Router Combo (CAX30) tops our ranking of 10 combos. It combines a Docsis 3.1 cable modem with a WiFi 6 router, covers up to 2,000 sq. ft., and includes four 1-Gig Ethernet ports with port aggregation plus a USB 3.0 port, which earned it the highest score for capability and value.
The Motorola MG7550 Modem Wi-Fi Router Combo is our value pick. It is a Certified Refurbished 16x4 Docsis 3.0 modem with built-in AC1900 dual-band Wi-Fi, four Gigabit Ethernet ports, and a firewall, approved for Comcast Xfinity, Cox, and Charter Spectrum.
Compatibility is listed per model and varies. The CAX30, CAX30S, and Arris G34 name Xfinity, Spectrum, and Cox; the Motorola MG7550 adds Charter Spectrum; and the C7000 units list Xfinity and Cox. A few entries advise checking with your provider for plan compatibility, so confirm your specific tier before buying.
Docsis 3.1 models like the Netgear CAX30, CAX30S, CAX80, the Arris G34, and the Motorola MG8702 are built for the fastest cable plans, with the G34 supporting plans up to 2.5 Gbps. Docsis 3.0 models such as the C7000 family and the Motorola MG7550 target plans up to roughly 800 Mbps and cost less.
Usually yes. Several listings spell it out: the Netgear C7000 notes saving up to /yr in equipment rental fees, the Motorola MG8702 cites up to per year, and the Arris units frame buying as a way to avoid monthly equipment charges. Owning the hardware typically recovers its cost within a year or two.
It depends on the model. The Netgear CAX80 claims up to 2,500 sq. ft., the CAX30 and CAX30S cover up to 2,000 sq. ft., and the C7000 family covers up to 1,800 sq. ft. For larger or multi-floor homes, pick toward the higher coverage figures.