Looking for the best DOCSIS 3.1 cable modems to upgrade your internet? We’ve tested and compared the top 10 models to help you find the perfect match for faster speeds and smoother streaming.
Upgrading your internet? A DOCSIS 3.1 cable modem is your key to faster speeds and smoother streaming. Whether you’re gaming, working, or binge-watching, the right modem makes all the difference. We’ve tested and compared the best DOCSIS 3.1 cable modems to help you find the perfect match for your needs.
These modems work with major providers like Xfinity, Cox, and Spectrum, saving you money on monthly rental fees. They’re easy to set up and built to last. Let’s dive in and find your ideal modem!
List of Top 10 DOCSIS 3.1 Cable Modems
| Image | Title | Best For | Price |
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ARRIS SURFboard SB8200 DOCSIS 3.1 Multi‑Gig Cable Modem | 2 -1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | For Cable Internet Plans up to 2Gbps | Modem Only, Router Required |
This ARRIS SURFboard SB8200 is perfect for anyone who wants fast internet and to save money. It’s great for gamers, streamers, and busy households who need speeds up to 2 Gbps. |
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Netgear CM1000 Ultra-High Speed DOCSIS 3.1 Cable Modem – Black – CM1000 (Renewed) |
This Netgear CM1000 modem is perfect for anyone looking to slash their monthly internet bills by ditching rental fees. If you have cable internet from providers like Spectrum, Cox, or Xfinity and want blazing-fast speeds up to 1Gbps, this is your upgrade! |
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Hitron CODA56 Cable Internet Modem ONLY – DOCSIS 3.1 | 2.5 Gbps | NO WiFi – Requires Router | Xfinity/Spectrum/Cox Compatible | NOT for Fiber/DSL |
This modem is perfect for cable internet users who want fast speeds and smooth streaming. It’s ideal if you already have a separate WiFi router and want to save on monthly rental fees. |
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Hitron CODA56 DOCSIS 3.1 Cable Modem ONLY (NOT Fiber) | 2.5 Gbps | NO WiFi/Voice/Router | Single Ethernet Port | Xfinity/Spectrum/Cox Compatible | Requires Separate WiFi Router |
This Hitron CODA56 DOCSIS 3.1 Cable Modem is perfect for cable internet users who want fast speeds and no monthly rental fees. It’s ideal if you already have a WiFi router and need a reliable modem for gaming, streaming, or work. |
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ARRIS (SB8200-RB) – Cable Modem – Fast DOCSIS 3.1 32×8 Gigabit Cable Modem , Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | 1 Gbps Max Internet Speed, 4 OFDM Channels – Renewed |
This cable modem is perfect for anyone with Cox, Spectrum, or Xfinity internet. It’s great for fast speeds up to 1 Gbps and works with major U.S. cable providers. |
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Hitron CODA DOCSIS 3.1 – Cable Internet ONLY (NOT Compatible with Fiber/DSL) | Up to 1 Gbps Cable Modem | Requires WiFi Router | Xfinity, Spectrum, Cox Certified |
This Hitron CODA DOCSIS 3.1 modem is ideal for anyone with cable internet who wants to save money on rental fees and enjoy speeds up to 1 Gbps. It’s perfect for gamers, streamers, and households with multiple devices, as long as you have your own WiFi router. |
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ARRIS – SURFboard S33 32 x 8 DOCSIS 3.1 Multi-Gig Cable Modem with 2.5 Gbps (Renewed) |
The ARRIS SURFboard S33 is perfect for anyone with cable internet who wants super-fast speeds up to 2.5 Gbps. It’s great for saving money by avoiding monthly modem rental fees and works with major U.S. cable providers like Cox, Spectrum, and Xfinity. |
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NETGEAR Nighthawk Modem Router Combo (CAX30) DOCSIS 3.1 Cable Modem and WiFi 6 Router – AX2700 2.7 Gbps – Compatible with Xfinity, Spectrum, Cox, and More – Gigabit Wireless Internet |
The NETGEAR Nighthawk Modem Router Combo (CAX30) is perfect for anyone who wants fast, reliable internet in a large home. It’s great for families or busy households with many devices like phones, laptops, and gaming consoles. |
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ARRIS (G34) – Cable Modem Router Combo – Fast DOCSIS 3.1 Gigabit WiFi 6 (AX3000), Approved for Comcast Xfinity, Cox, Spectrum & More, 1 Gbps Max Internet Speeds |
This ARRIS (G34) Cable Modem Router Combo is perfect for anyone who wants fast internet and Wi-Fi 6 coverage for their whole home. It’s great for streaming, gaming, and saving on monthly rental fees. |
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NETGEAR Nighthawk Cable Modem CM1200 – Compatible with All Cable Providers| For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet Ports | DOCSIS 3.1, Black (Renewed) |
The NETGEAR Nighthawk CM1200 is perfect for anyone with a cable internet plan up to 2 gigabits. It’s great for saving money on monthly rental fees and works with any Wi-Fi router. |
Detailed Reviews
Discover the top 10 DOCSIS 3.1 Cable Modems handpicked for speed, reliability, and value. Whether you need ultra-fast internet or want to save on rental fees, this guide has you covered. Find the perfect modem to match your needs and upgrade your home network today.
1. ARRIS SURFboard SB8200 DOCSIS 3.1 Multi‑Gig Cable Modem | 2 -1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | For Cable Internet Plans up to 2Gbps | Modem Only, Router Required
The ARRIS SURFboard SB8200 is a DOCSIS 3.1 cable modem built for ultra-fast internet. It supports plans up to 2 Gbps, perfect for streaming, gaming, and downloads.
Save money by owning your modem and avoiding monthly rental fees. Its compact design fits easily into any space, with clear LED indicators for status updates.
Two 1 Gigabit Ethernet ports connect to your Wi-Fi router. Works with major providers like Xfinity, Cox, and Spectrum. Router required for Wi-Fi.
| Pros | Cons |
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Perfect For:
This ARRIS SURFboard SB8200 is perfect for anyone who wants fast internet and to save money. It’s great for gamers, streamers, and busy households who need speeds up to 2 Gbps.
Ready to Purchase?
2. Netgear CM1000 Ultra-High Speed DOCSIS 3.1 Cable Modem – Black – CM1000 (Renewed)
The Netgear CM1000 is a renewed, ultra-high-speed cable modem that works with major cable internet providers. It supports speeds up to 1Gbps, saving you up to $168/year in rental fees.
Connect any WiFi router to its Ethernet port for steady, reliable internet. Works best with Spectrum, Cox, and Xfinity. Made for use in the US only.
| Pros | Cons |
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Perfect For:
This Netgear CM1000 modem is perfect for anyone looking to slash their monthly internet bills by ditching rental fees. If you have cable internet from providers like Spectrum, Cox, or Xfinity and want blazing-fast speeds up to 1Gbps, this is your upgrade!
Ready to Purchase?
3. Hitron CODA56 Cable Internet Modem ONLY – DOCSIS 3.1 | 2.5 Gbps | NO WiFi – Requires Router | Xfinity/Spectrum/Cox Compatible | NOT for Fiber/DSL
The Hitron CODA56 is a cable internet modem that delivers high-speed performance. It supports plans up to 2.5 Gbps, perfect for fast streaming and gaming. This modem works exclusively with cable providers like Xfinity, Spectrum, and Cox.
It’s important to note this is a modem only, with no WiFi included. You’ll need a separate router for wireless internet. Without one, only one device can connect via Ethernet cable.
Before buying, confirm your internet type and plan speed. This modem is not compatible with fiber, DSL, or satellite. It’s a reliable choice for cable users seeking multi-gig speeds.
| Pros | Cons |
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Perfect For:
This modem is perfect for cable internet users who want fast speeds and smooth streaming. It’s ideal if you already have a separate WiFi router and want to save on monthly rental fees.
Ready to Purchase?
4. Hitron CODA56 DOCSIS 3.1 Cable Modem ONLY (NOT Fiber) | 2.5 Gbps | NO WiFi/Voice/Router | Single Ethernet Port | Xfinity/Spectrum/Cox Compatible | Requires Separate WiFi Router
The Hitron CODA56 is a DOCSIS 3.1 cable modem designed for coaxial cable internet. It does not work with fiber, DSL, or satellite. Always check your internet type before buying.
This modem has no WiFi, voice, or router features. It connects one device via a single Ethernet port. Pair it with a separate WiFi router for multiple devices.
Enjoy speeds up to 2.5 Gbps for smooth gaming and streaming. Save on monthly rental fees and get trusted support from Hitron.
| Pros | Cons |
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Perfect For:
This Hitron CODA56 DOCSIS 3.1 Cable Modem is perfect for cable internet users who want fast speeds and no monthly rental fees. It’s ideal if you already have a WiFi router and need a reliable modem for gaming, streaming, or work.
Ready to Purchase?
5. ARRIS (SB8200-RB) – Cable Modem – Fast DOCSIS 3.1 32×8 Gigabit Cable Modem , Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | 1 Gbps Max Internet Speed, 4 OFDM Channels – Renewed
The ARRIS SB8200-RB is a fast cable modem that works with major U.S. providers like Cox, Spectrum, and Xfinity. It supports speeds up to 1 Gbps for smooth internet use.
It has 32×8 DOCSIS 3.0 channels or 2×2 OFDM DOCSIS 3.1 channels and two 1-Gigabit Ethernet ports. No Wi-Fi or voice service included.
| Pros | Cons |
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Perfect For:
This cable modem is perfect for anyone with Cox, Spectrum, or Xfinity internet. It’s great for fast speeds up to 1 Gbps and works with major U.S. cable providers.
Ready to Purchase?
6. Hitron CODA DOCSIS 3.1 – Cable Internet ONLY (NOT Compatible with Fiber/DSL) | Up to 1 Gbps Cable Modem | Requires WiFi Router | Xfinity, Spectrum, Cox Certified
The Hitron CODA DOCSIS 3.1 is a cable internet modem. It works only with coaxial cable, not fiber or DSL. Check your internet type before buying to avoid issues.
This modem has no WiFi, voice, or router features. It connects one device via Ethernet. Pair it with a separate WiFi router for full use.
Enjoy speeds up to 1 Gbps with DOCSIS 3.1 technology. Save on monthly rental fees and get trusted brand support.
| Pros | Cons |
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Perfect For:
This Hitron CODA DOCSIS 3.1 modem is ideal for anyone with cable internet who wants to save money on rental fees and enjoy speeds up to 1 Gbps. It’s perfect for gamers, streamers, and households with multiple devices, as long as you have your own WiFi router.
Ready to Purchase?
7. ARRIS – SURFboard S33 32 x 8 DOCSIS 3.1 Multi-Gig Cable Modem with 2.5 Gbps (Renewed)
The ARRIS SURFboard S33 is a powerful cable modem. It offers speeds up to 2.5 Gbps. It works with major U.S. cable providers.
It has two Ethernet ports. One is 2.5 Gbps, and the other is 1 Gbps. It connects to any Wi-Fi router for fast internet.
Save money by stopping modem rentals. It has a sleek, modern design. It’s not for DSL or fiber providers.
| Pros | Cons |
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Perfect For:
The ARRIS SURFboard S33 is perfect for anyone with cable internet who wants super-fast speeds up to 2.5 Gbps. It’s great for saving money by avoiding monthly modem rental fees and works with major U.S. cable providers like Cox, Spectrum, and Xfinity.
Ready to Purchase?
8. NETGEAR Nighthawk Modem Router Combo (CAX30) DOCSIS 3.1 Cable Modem and WiFi 6 Router – AX2700 2.7 Gbps – Compatible with Xfinity, Spectrum, Cox, and More – Gigabit Wireless Internet
The NETGEAR Nighthawk Modem Router Combo (CAX30) is a 2-in-1 device that replaces your cable modem and WiFi router. It’s compatible with major providers like Xfinity, Spectrum, and Cox, saving you up to $168/year in rental fees.
Enjoy fast, reliable WiFi with speeds up to 2.7 Gbps and coverage for 2,000 sq. ft. It supports 25 devices at once, perfect for busy households. Plus, it has 4 Gigabit Ethernet ports and a USB 3.0 port for wired connections.
NETGEAR Armor keeps you safe online with enhanced protection against hackers and malware. Setup is easy with the Nighthawk app, and built-in security features protect your family.
| Pros | Cons |
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Perfect For:
The NETGEAR Nighthawk Modem Router Combo (CAX30) is perfect for anyone who wants fast, reliable internet in a large home. It’s great for families or busy households with many devices like phones, laptops, and gaming consoles.
Ready to Purchase?
9. ARRIS (G34) – Cable Modem Router Combo – Fast DOCSIS 3.1 Gigabit WiFi 6 (AX3000), Approved for Comcast Xfinity, Cox, Spectrum & More, 1 Gbps Max Internet Speeds
The ARRIS (G34) is a cable modem router combo that brings fast internet to your home. It uses DOCSIS 3.1 for speeds up to 2.5 Gbps. Enjoy smooth streaming, gaming, and downloads.
This device saves you money by avoiding monthly rental fees. It’s compact and modern, fitting easily into any space. Simple LED lights show its status at a glance.
With Wi-Fi 6 (AX3000), it covers your whole home with speeds up to 3 Gbps. It also has 4 Gigabit Ethernet ports for wired devices. Works with major providers like Comcast Xfinity, Cox, and Spectrum.
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Perfect For:
This ARRIS (G34) Cable Modem Router Combo is perfect for anyone who wants fast internet and Wi-Fi 6 coverage for their whole home. It’s great for streaming, gaming, and saving on monthly rental fees.
Ready to Purchase?
10. NETGEAR Nighthawk Cable Modem CM1200 – Compatible with All Cable Providers| For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet Ports | DOCSIS 3.1, Black (Renewed)
The NETGEAR Nighthawk CM1200 is a powerful cable modem designed for high-speed internet plans. It works with major cable providers like Xfinity, COX, and Spectrum.
Save up to $168/year by replacing rental modems. It’s built for speeds up to 2 gigabits, perfect for fast internet plans. Connect any WiFi router to its Ethernet port for wireless device support.
Enjoy versatile connections with 4 Gigabit Ethernet ports. Features DOCSIS 3.1 and link aggregation for faster wired speeds. A renewed model that’s reliable and cost-effective.
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Perfect For:
The NETGEAR Nighthawk CM1200 is perfect for anyone with a cable internet plan up to 2 gigabits. It’s great for saving money on monthly rental fees and works with any Wi-Fi router.
Ready to Purchase?
Buying Guide
Upgrade your internet with a DOCSIS 3.1 cable modem. Enjoy faster speeds and smoother streaming for gaming, work, or binge-watching.
Factors to Consider When Buying:
– Internet Speed: Check your plan’s speed. Choose a modem that supports it, like 1 Gbps or 2.5 Gbps.
– Compatibility: Ensure it works with your provider (Xfinity, Cox, Spectrum, etc.).
– Modem vs. Combo: Decide if you need a modem only or a modem-router combo for Wi-Fi.
– Ethernet Ports: Look for 1 or more ports to connect devices directly.
– Cost Savings: Owning a modem saves on monthly rental fees.
– Renewed Models: Save money with reliable, renewed options.
– Setup: Choose a modem with easy setup and clear LED indicators.
– Size: Pick a compact design that fits your space.
– Security: Some combos offer built-in security features for safer browsing.
Find the perfect modem and enjoy faster, reliable internet today!