Best Xfinity Cable Modems
Updated July 2025
Join the millions that have trusted BuyersGuide.org to help them make smarter buying decisions. Let our independent expert reviews and data-driven shopping recommendations help you find the one that's right for you.
Best Xfinity Cable Modems
2025 Buyer's GuideUpdated July 2025
Sort by:
1
ARRIS (SB8200) - Cable Modem - Fast DOCSIS 3.1 32x8 Gigabit Cable Modem , Approved for Comcast Xfinity, Cox, Charter Spectrum, ...
Speed: Up to 6.8Gbps
Ports: 2 gigabit ethernet
Technology: DOCSIS 3.1 and 32x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox and other major providers
1
ARRIS (SB8200) - Cable Modem - Fast DOCSIS 3.1 32x8 Gigabit Cable Modem , Approved for Comcast Xfinity, Cox, Charter Spectrum, ...
Speed: Up to 6.8Gbps
Ports: 2 gigabit ethernet
Technology: DOCSIS 3.1 and 32x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox and other major providers
2
NETGEAR Nighthawk Modem Router Combo (CAX30) DOCSIS 3.1 Cable Modem and WiFi 6 Router - AX2700 2.7 Gbps - Compatible with Xfini...
Speed: Up to 2 Gbps
Ports: 4 gigabit ethernet, 1 USB
Technology: DOCSIS 3.1 and 32x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
2
NETGEAR Nighthawk Modem Router Combo (CAX30) DOCSIS 3.1 Cable Modem and WiFi 6 Router - AX2700 2.7 Gbps - Compatible with Xfini...
Speed: Up to 2 Gbps
Ports: 4 gigabit ethernet, 1 USB
Technology: DOCSIS 3.1 and 32x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
3
ARRIS (SB6190-RB) - Cable Modem - DOCSIS 3.0 32x8 Gigabit Modem, For Comcast Xfinity, Cox, check with ISP for compatibility [No...
Speed: Up to 800 Mbps
Ports: 1 gigabit ethernet
Technology: DOCSIS 3.0 and 32x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
3
ARRIS (SB6190-RB) - Cable Modem - DOCSIS 3.0 32x8 Gigabit Modem, For Comcast Xfinity, Cox, check with ISP for compatibility [No...
Speed: Up to 800 Mbps
Ports: 1 gigabit ethernet
Technology: DOCSIS 3.0 and 32x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
4
Motorola MG7550 - Modem with Built in WiFi | Approved for Comcast Xfinity, Cox | For Plans Up to 300 Mbps | DOCSIS 3.0 + AC1900...
Speed: Up to 375 Mbps
Ports: 4 gigabit ethernet
Technology: DOCSIS 3.0 and 8x4 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
4
Motorola MG7550 - Modem with Built in WiFi | Approved for Comcast Xfinity, Cox | For Plans Up to 300 Mbps | DOCSIS 3.0 + AC1900...
Speed: Up to 375 Mbps
Ports: 4 gigabit ethernet
Technology: DOCSIS 3.0 and 8x4 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
5
NETGEAR Nighthawk Cable Modem CM1200 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Ca...
Speed: Up to 2000 Mbps
Ports: 1 gigabit ethernet
Technology: DOCSIS 3.1 with 32x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
5
NETGEAR Nighthawk Cable Modem CM1200 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Ca...
Speed: Up to 2000 Mbps
Ports: 1 gigabit ethernet
Technology: DOCSIS 3.1 with 32x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
6
Netgear Nighthawk Cable Modem WiFi Router Combo C7000-Compatibility Cable Providers Including Xfinity by Comcast, Spectrum, Cox...
Speed: Up to 800 Mbps
Ports: 4 gigabit ethernet, USB
Technology: DOCSIS 3.0 and 24x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
6
Netgear Nighthawk Cable Modem WiFi Router Combo C7000-Compatibility Cable Providers Including Xfinity by Comcast, Spectrum, Cox...
Speed: Up to 800 Mbps
Ports: 4 gigabit ethernet, USB
Technology: DOCSIS 3.0 and 24x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
7
ARRIS (SBG10) - Cable Modem Router Combo - DOCSIS 3.0 16 x 4 Gigabit & AC1600 WiFi, For Comcast Xfinity, Cox, check with ISP fo...
Speed: Up to 400 Mbps
Ports: 2 gigabit ethernet
Technology: DOCSIS 3.0 with 16x4 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter, Spectrum, Cox, and other major providers
7
ARRIS (SBG10) - Cable Modem Router Combo - DOCSIS 3.0 16 x 4 Gigabit & AC1600 WiFi, For Comcast Xfinity, Cox, check with ISP fo...
Speed: Up to 400 Mbps
Ports: 2 gigabit ethernet
Technology: DOCSIS 3.0 with 16x4 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter, Spectrum, Cox, and other major providers
8
ARRIS (SB6190) - Cable Modem - Fast DOCSIS 3.0 32x8 Gigabit Cable Modem, For Comcast Xfinity, Cox, Spectrum and more, 1 Gbps Po...
Speed: Up to 1.4Gbps
Ports: 1 gigabit ethernet
Technology: DOCSIS 3.0 and 32x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
8
ARRIS (SB6190) - Cable Modem - Fast DOCSIS 3.0 32x8 Gigabit Cable Modem, For Comcast Xfinity, Cox, Spectrum and more, 1 Gbps Po...
Speed: Up to 1.4Gbps
Ports: 1 gigabit ethernet
Technology: DOCSIS 3.0 and 32x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
9
ARRIS (S34) - Cable Modem - Fast DOCSIS 3.1 Multi-Gigabit Cable Modem, for Comcast Xfinity, Cox, Spectrum & More, 2.5 Gbps Max ...
Speed: Up to 3.5Gbps
Ports: 1 gigabit ethernet, 1 2.5 gigabit ethernet
Technology: DOCSIS 3.1 and 2x2 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
9
ARRIS (S34) - Cable Modem - Fast DOCSIS 3.1 Multi-Gigabit Cable Modem, for Comcast Xfinity, Cox, Spectrum & More, 2.5 Gbps Max ...
Speed: Up to 3.5Gbps
Ports: 1 gigabit ethernet, 1 2.5 gigabit ethernet
Technology: DOCSIS 3.1 and 2x2 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
10
Hitron CODA DOCSIS 3.1 Modem | 1 Gbps Max Internet Speeds | Certified with Comcast Xfinity, Charter Spectrum, Cox & More | 10x ...
Speed: Up to 1Gbps
Ports: 2 gigabit ethernet
Technology: DOCSIS 3.1 and 32x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
10
Hitron CODA DOCSIS 3.1 Modem | 1 Gbps Max Internet Speeds | Certified with Comcast Xfinity, Charter Spectrum, Cox & More | 10x ...
Speed: Up to 1Gbps
Ports: 2 gigabit ethernet
Technology: DOCSIS 3.1 and 32x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
We also considered 5 others:
Our Top Choice
1
ARRIS (SB8200) - Cable Modem - Fast DOCSIS 3.1 32x8 Gigabit Cable Modem , Approved for Comcast Xfinity, Cox, Charter Spectrum, ...
Speed: Up to 6.8Gbps
Ports: 2 gigabit ethernet
Technology: DOCSIS 3.1 and 32x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox and other major providers
1
ARRIS (SB8200) - Cable Modem - Fast DOCSIS 3.1 32x8 Gigabit Cable Modem , Approved for Comcast Xfinity, Cox, Charter Spectrum, ...
Speed: Up to 6.8Gbps
Ports: 2 gigabit ethernet
Technology: DOCSIS 3.1 and 32x8 channel bonding
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox and other major providers