Best Xfinity Cable Modems
Updated July 2025
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Best Xfinity Cable Modems
2025 Buyer's GuideUpdated July 2025
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1
NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) – Approved for Today’s Fastest Speeds - Works With all ...
Speed: Up to 2Gbps
Ports: 1 2.5-gigabit ethernet, 2 1-gigabit ethernet
Technology: DOCSIS 3.1
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity, Spectrum, Cox, and other major providers
1
NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) – Approved for Today’s Fastest Speeds - Works With all ...
Speed: Up to 2Gbps
Ports: 1 2.5-gigabit ethernet, 2 1-gigabit ethernet
Technology: DOCSIS 3.1
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity, Spectrum, Cox, and other major providers
2
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
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
3
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
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
4
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
4
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
5
ARRIS
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
5
ARRIS (SB6190) - Cable Modem - Fast DOCSIS 3.0 32x8 Gigabit Cable Modem, For Comcast Xfinity, Cox, Spectrum and more, 1 Gbps Po...
ARRIS
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
6
NETGEAR
NETGEAR CM1000-100NAS DOCSIS 3.1 Gigabit Cable Modem. Max download speeds of 1.0 Gbps, For XFINITY by Comcast and Cox. Compatib...
Speed: Up to 1Gbps
Ports: 1 gigabit ethernet
Technology: DOCSIS 3.1
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
6
NETGEAR CM1000-100NAS DOCSIS 3.1 Gigabit Cable Modem. Max download speeds of 1.0 Gbps, For XFINITY by Comcast and Cox. Compatib...
NETGEAR
Speed: Up to 1Gbps
Ports: 1 gigabit ethernet
Technology: DOCSIS 3.1
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity Comcast, Charter Spectrum, Cox, and other major providers
7
ARRIS (G34) - Cable Modem Router Combo - Fast DOCSIS 3.1 Gigabit WiFi 6 (AX3000), Approved for Comcast Xfinity, Cox, Spectrum &...
Speed: Up to 300 Mbps
Ports: 4 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
7
ARRIS (G34) - Cable Modem Router Combo - Fast DOCSIS 3.1 Gigabit WiFi 6 (AX3000), Approved for Comcast Xfinity, Cox, Spectrum &...
Speed: Up to 300 Mbps
Ports: 4 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
8
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
8
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
9
ARRIS
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
9
ARRIS (SBG10) - Cable Modem Router Combo - DOCSIS 3.0 16 x 4 Gigabit & AC1600 WiFi, For Comcast Xfinity, Cox, check with ISP fo...
ARRIS
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
10
NETGEAR
Netgear Gigabit Cable Modem (32x8) DOCSIS 3.1 | for XFINITY by Comcast, Cox. Compatible with Gig-Speed from Xfinity - CM1000-1A...
Speed: Up to 1000 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
10
Netgear Gigabit Cable Modem (32x8) DOCSIS 3.1 | for XFINITY by Comcast, Cox. Compatible with Gig-Speed from Xfinity - CM1000-1A...
NETGEAR
Speed: Up to 1000 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
We also considered 5 others:
Our Top Choice
1
NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) – Approved for Today’s Fastest Speeds - Works With all ...
Speed: Up to 2Gbps
Ports: 1 2.5-gigabit ethernet, 2 1-gigabit ethernet
Technology: DOCSIS 3.1
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity, Spectrum, Cox, and other major providers
1
NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) – Approved for Today’s Fastest Speeds - Works With all ...
Speed: Up to 2Gbps
Ports: 1 2.5-gigabit ethernet, 2 1-gigabit ethernet
Technology: DOCSIS 3.1
Voice: Not compatible with cable bundled voice services
Compatibility: Xfinity, Spectrum, Cox, and other major providers
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