10 Best spectrum modems of 2026

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NETGEAR

NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) – Approved for Today’s Fastest Speeds - Works With all Cable Providers, Incl. Xfinity, Spectrum, Cox - Cable Plans up to 2.5Gbps
9.9

Exceptional

Our Rating
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Based on millions of stores and reviews

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Value for Money

2

ARRIS
Arris (G18) - Cable Modem Router Combo - Fast DOCSIS 3.1 Multi-Gigabit WiFi 6 (AX1800), Approved for Comcast Xfinity, Cox, Spectrum & More

11% Off
Main highlights

Fast and Reliable Connection
Enjoy high-speed streaming, gaming, and browsing with trusted DOCSIS 3.1 technology.

Ideal for Home Networks
Perfect for homes using major ISPs like Xfinity, Spectrum, and Cox.

Praised for Cost Savings
Customers love saving up to $168/year by owning their modem.
9.8

Exceptional

Our Rating
3

ARRIS
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
Main highlights

Superior Connectivity and Speed
The ARRIS SURFboard SB8200 offers 10x faster speeds with DOCSIS 3.1 technology, ideal for streaming and gaming.

Ideal for High-Speed Plans
Perfect for internet plans up to 1 Gbps, ensuring optimal performance for heavy internet users.

Reliability and Performance
Customers praise its reliability and substantial speed improvements over older models.
9.5

Excellent

Our Rating

9.5
Simple to use

9.3
lasts a long time

8.9
Easy installation
4

NETGEAR
NETGEAR Nighthawk Cable Modem CM1200 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Plans Up to 2 Gigabits | 4 x 1G Ethernet Ports | DOCSIS 3.1, Black

47% Off Limited Time Deal
Main highlights

High Speed Compatibility
Compatible with cable plans up to 2Gbps, supports DOCSIS 3.1 for future-proofing.

Ideal for Multi-Device Homes
Perfect for homes with multiple devices needing fast, stable connections.

Praised for Reliability
Customers appreciate its stable performance and easy setup process.
Key specs
- channel bonding:32x8
- ethernet ports:Four 4 Gigabit
- max speed:Up to 2Gbps
- dimensions:6.1 x 3.4 x 10.3 inches
- number of ports:N/A
9.4

Excellent

Our Rating

8.4
Easy installation

8.0
WiFi signal

8.0
User interface
5

Hitron
Hitron CODA56 Multi-Gigabit DOCSIS 3.1 Modem | 2.5 Gbps Max Internet Speeds | Certified with Xfinity, Charter Spectrum, Cox | 2.5 Gbps Ethernet Cable Modem ONLY | Requires Separate WiFi Router
Main highlights

High-Speed Internet Support
Unlocks internet plans up to 2.5 Gbps, 10x faster than DOCSIS 3.0.

Ideal for Cable Users
Perfect for Comcast Xfinity, Charter Spectrum, and Cox Gigablast users.

Praised for Easy Setup
Effortless installation with ISP activation, praised by customers.
Key specs
- channel bonding:N/A
- ethernet ports:N/A
- max speed:2.5 Gbps
- dimensions:N/A
- number of ports:1
9.3

Excellent

Our Rating
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6

Motorola
Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox, and Spectrum | for Cable Plans Up to 900 Mbps | DOCSIS 3.0
Main highlights

Fast Reliable Internet
Model MB7621 supports cable Internet speeds up to 650 Mbps with a Full-Band Capture Digital Tuner for enhanced reliability.

Versatile Connectivity
Ideal for connecting to WiFi routers, game stations, and streaming devices, compatible with major cable providers like Comcast Xfinity and Spectrum.

Easy Setup
Customers praise the modem's straightforward installation process, typically taking only 10-15 minutes to complete.
9.0

Excellent

Our Rating

9.3
Easy installation

9.1
worth the money

8.0
Stability
7

Motorola
Motorola B12 - Advanced Compact Cable Modem | Pairs with Any WiFi Router | Supports Comcast Xfinity, Cox, Spectrum | 2500 Mbps Max | DOCSIS 3.1 | 2.5 Gbps Port | Nex Gen MB8611
Main highlights

Ultra-Fast Performance
Achieves multi-gig internet speeds with DOCSIS 3.1 and 2.5 Gbps port.

Ideal for High-Speed Plans
Perfect for users with Comcast Xfinity, Cox, and Spectrum internet.

Praised for Aesthetic Appeal
Customers love its sleek, modern design resembling a speaker.
Key specs
- channel bonding:DOCSIS 3.1
- ethernet ports:2.5 Gbps ethernet port
- max speed:2.5 Gbps
- dimensions:7.1 x 7 x 6.3 inches
- number of ports:N/A
8.7

Very Good

Our Rating
8

ARRIS
ARRIS (SB6183-RB) Cable Modem - Fast DOCSIS 3.0 16x4 Gigabit Cable Modem, For Comcast Xfinity, Cox, Spectrum and more, 1 Gbps Port, 400 Mbps Max Internet Speed, 1 Year Warranty - Renewed
Main highlights

High Speed and Compatibility
Supports DOCSIS 3.0 with speeds up to 400 Mbps and compatibility with major U.S. cable providers.

Cost-Effective for Cable Users
Ideal for users wanting to avoid monthly rental fees from cable providers.

Reliable Performance
Praised for its stability and reliability by customers.
8.5

Good

Our Rating

9.3
Simple to use

8.9
Easy installation

8.4
worth the money
9

Hitron
Hitron CODA DOCSIS 3.1 Cable Modem ONLY | Up to 1 Gbps Max Internet Speeds | Certified with Comcast Xfinity, Charter Spectrum, Cox & More | Requires Separate WiFi Router
Main highlights

High Speed Connectivity
DOCSIS 3.1 modem offers 10x faster speeds than DOCSIS 3.0, supporting internet plans up to 1 Gbps.

Versatile Compatibility
Works with any WiFi router or mesh system, ideal for Comcast Xfinity and other major cable providers.

Reliable Performance
Praised for its stability and self-healing capabilities, ensuring smooth connectivity even with ISP fluctuations.
8.2

Good

Our Rating

9.9
Easy installation

8.7
worth the money

8.2
Long life
10

NETGEAR
NETGEAR Cable Modem DOCSIS 3.0 (CM500) Compatible with Major Cable Providers Including Xfinity, Cox, for Plans Up to 400 Mbps
Main highlights

Cost Saving Feature
Replaces cable modem to save up to $168 annually.

Ideal for Moderate Internet Plans
Best for cable plans up to 400Mbps with major providers.

User-Friendly Setup
Easy setup praised by users, despite some activation hurdles.
7.9

Good

Our Rating

9.3
for playing video games

8.9
Easy installation

8.7
lasts a long time

10 Best spectrum modems of 2026

1

NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) – Approved for Today’s Fastest Speeds - Works With all Cable Providers, Incl. Xfinity, Spectrum, Cox - Cable Plans up to 2.5Gbps

How do we rank?

How do we rank?

Analyzing top stores

2

Arris (G18) - Cable Modem Router Combo - Fast DOCSIS 3.1 Multi-Gigabit WiFi 6 (AX1800), Approved for Comcast Xfinity, Cox, Spectrum & More

3

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

9.5

9.3

8.9

4

NETGEAR Nighthawk Cable Modem CM1200 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Plans Up to 2 Gigabits | 4 x 1G Ethernet Ports | DOCSIS 3.1, Black

8.4

8.0

8.0

5

Hitron CODA56 Multi-Gigabit DOCSIS 3.1 Modem | 2.5 Gbps Max Internet Speeds | Certified with Xfinity, Charter Spectrum, Cox | 2.5 Gbps Ethernet Cable Modem ONLY | Requires Separate WiFi Router

6

Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox, and Spectrum | for Cable Plans Up to 900 Mbps | DOCSIS 3.0

9.3

9.1

8.0

7

Motorola B12 - Advanced Compact Cable Modem | Pairs with Any WiFi Router | Supports Comcast Xfinity, Cox, Spectrum | 2500 Mbps Max | DOCSIS 3.1 | 2.5 Gbps Port | Nex Gen MB8611

8

ARRIS (SB6183-RB) Cable Modem - Fast DOCSIS 3.0 16x4 Gigabit Cable Modem, For Comcast Xfinity, Cox, Spectrum and more, 1 Gbps Port, 400 Mbps Max Internet Speed, 1 Year Warranty - Renewed

9.3

8.9

8.4

9

Hitron CODA DOCSIS 3.1 Cable Modem ONLY | Up to 1 Gbps Max Internet Speeds | Certified with Comcast Xfinity, Charter Spectrum, Cox & More | Requires Separate WiFi Router

9.9

8.7

8.2

10

NETGEAR Cable Modem DOCSIS 3.0 (CM500) Compatible with Major Cable Providers Including Xfinity, Cox, for Plans Up to 400 Mbps

9.3

8.9

8.7

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