20 Best Cable Modem For Xfinity Gigabit (2022 Updated)

A cable modem is a device that connects a computer to the Internet using a coaxial cable. The modem converts the digital signal from the cable into an analog signal that can be used by the computer. A cable modem for xfinity gigabit is a high-speed modem that is capable of providing speeds of up to 1 Gbps.

This type of modem is typically used by people who have a high-speed Internet connection.

20 Best Cable Modem For Xfinity Gigabit

1. ARRIS Surfboard Cable Modem SB8200

ARRIS Surfboard Cable Modem SB8200

  • 2×2 OFDM/ OFDMA DOCSIS 3.1 channels and/or 32×8 SCQAM DOCSIS 3.0
  • 1.2 GHz Full Capture Bandwidth Tuner
  • Multi Processor Technology with ARM based Application Processor
  • Dual Gigabit Ethernet Ports with Auto Negotiate and Auto MDIX
  • Switchable upstream filters for 42 MHz or 85MHz operation

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Product Details

Specifications

Details
Manufacturer Part Number SB8200
Product Line SURFboard
Product Model SB8200
Product Name SURFboard Cable Modem
Package Type Retail

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LaChula007
Stuart1026
TCar

2. Netgear Cable Modem CM1000

Netgear Cable Modem CM1000

  • 32×8, Docsis 3.1

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Product Details

Specifications

Details
Device Type Cable modem
Form Factor External
Bus Gigabit Ethernet
Connectivity Technology Wired
Max Transfer Rate 1 Gbps

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Susan B
netgear.com
Oskicalbear

3. Netgear CM2050V-100NAS Nighthawk 2.5Gbps Cable Modem

Netgear CM2050V-100NAS Nighthawk 2.5Gbps Cable Modem

  • BUILT FOR FASTEST MULTI-GIG SPEEDS: Best for cable provider plans up to 2.5Gbps.
  • MULTI-GIG ETHERNET: 1 x2.5Gbps Ethernet port for the fastest, true multi-gig Internet connections.
  • SAVE MONTHLY RENTAL FEES: Replaces your cable modem saving you up to $168/yr in equipment rental fees.
  • MODEM TECHNOLOGY: Engineered with DOCSIS 3.1 32×8 channel bonding and OFDM(A) 2×2.

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Product Details

Specifications

Details
Device Type Cable modem
Form Factor External
Bus 2.5 Gigabit Ethernet
Connectivity Technology Wired
Max Transfer Rate 2.5 Gbps

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Terry

4. Netgear Nighthawk Multi-Gig Speed Cable Modem CM1200

Netgear Nighthawk Multi-Gig Speed Cable Modem CM1200

  • Works with any WiFi router: Connect any WiFi router to this modem’s Ethernet port to support all your wireless devices.
  • Save monthly rental fees: Model CM1200 replaces your cable modem saving you up to 168 dollars/yr in equipment rental fees.
  • Four (4) Gigabit Ethernet ports give you fast wired connections to your computer, separate WiFi router, printer, game box, and other devices.
  • Modem technology: Engineered with 32×8 channel bonding, OFDM 2×2, and DOCSIS 3.1.
  • Multi-gig ethernet: Link aggregation combines two 1G ports into one 2G port for faster wired ethernet speed.

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Product Details

Specifications

Details
Device Type Cable modem
Form Factor External
Bus Gigabit Ethernet
Connectivity Technology Wired
Max Transfer Rate 1 Gbps

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Troy
Gamemaster

5. ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem with 2.5 Gbps Ethernet Port, Approved for Cox, Xfinity, Spectrum & Others

ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem with 2.5 Gbps Ethernet Port, Approved for Cox, Xfinity, Spectrum & Others

  • MULTI-GIG NETWORKING: The SURFboard S33 features a 2.5 Gbps Ethernet port plus an additional 1 Gbps Ethernet port for a 2nd network.
  • Cable internet service required. Does NOT include Wi-Fi and does not support cable digital voice service.
  • DOCSIS 3.1 Cable Modem approved for cable internet speed plans up to 1.2 Gbps.
  • 32 downstream x 8 upstream DOCSIS 3.0 bonded channels, 2 downstream x 2 upstream OFDM DOCSIS 3 1 channels.
  • Connects to any existing Wi-Fi router for blazing-fast internet.

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Product Details

Specifications

Details
Style 3.1 Modem
Item Dimensions 5.14 x 1.8 x 4.74 Inches
Number of Ports 2
Connectivity Technology Ethernet
Internet service provider Suddenlink, Xfinity, Cox, Mediacom, Spectrum

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YourMainDude
UberRN
Gv1405

6. ARRIS – SURFboard 32 x 8 DOCSIS 3.1 Cable Modem – White SB8200

ARRIS - SURFboard 32 x 8 DOCSIS 3.1 Cable Modem - White SB8200

  • 32 x 8 Docsis 3.1

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Product Details

Specifications

Details
Device Type Cable modem
Form Factor External
Bus Gigabit Ethernet
Protocols & Specifications DOCSIS 3.1
Connectivity Technology Wired

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DESMO

7. Netgear Gigabit Cable Modem (32×8) Docsis 3.1 | for Xfinity by Comcast, Cox. Compatible with Gig-Speed from Xfinity – CM1000-1AZNAS (Renewed)

Netgear Gigabit Cable Modem (32x8) Docsis 3.1 | for Xfinity by Comcast, Cox. Compatible with Gig-Speed from Xfinity - CM1000-1AZNAS (Renewed)

  • Fast download and upload speed
  • Gigabit Ethernet port

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Product Details

Specifications

Details
Device Type Cable modem
Form Factor External
Bus Gigabit Ethernet
Connectivity Technology Wired
Max Transfer Rate 1 Gbps

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kingmt

8. Motorola – 32 x 8 DOCSIS 3.1 Cable Modem

Motorola - 32 x 8 DOCSIS 3.1 Cable Modem

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Product Details

Specifications

Details
Device Type Cable modem
Form Factor External
Modem
Bus Gigabit Ethernet
Max Transfer Rate 3.8 Gbps
Protocols & Specifications DOCSIS 2.0, DOCSIS 1.1, DOCSIS 3.0, DOCSIS 3.1
Digital Ports Qty 4
Networking
Connectivity Technology Wired
Data Link Protocol Gigabit Ethernet
Network / Transport Protocol TCP/IP, UDP/IP, ICMP/IP, ARP, FTP, DHCP
Remote Management Protocol SNMP 1, SNMP 2, SNMP 3, TFTP
Features Auto-uplink (auto MDI/MDI-X), IPv6 support, Network Bonding support
Expansion / Connectivity
Interfaces 1 x Cable – F connector 4 x 1000Base-T – RJ-45
Miscellaneous
Cables Included 1 x network cable
Compliant Standards FCC Part 15 B, FCC Part 15 C, RoHS, Lead-Free
Manufacturer Warranty
Service & Support Limited warranty – 2 years
Dimensions & Weight
Width 2.2 in
Depth 7.2 in
Height 7.9 in
Weight 18.45 oz
Environmental Parameters
Min Operating Temperature 32 °F
Max Operating Temperature 104 °F

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bcoley

9. Netgear Nighthawk Multi-Gig Cable Modem with Voice CM2050V – for Xfinity Internet & Voice Supports Cable Plans Up to 2.5Gbps 2 Phone Lines Docsis 3.1

Netgear Nighthawk Multi-Gig Cable Modem with Voice CM2050V - for Xfinity Internet & Voice Supports Cable Plans Up to 2.5Gbps 2 Phone Lines Docsis 3.1

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Product Details

10. ARRIS Surfboard 32×8 Docsis 3.1 Cable Modem for Xfinity Internet & Voice, Black

ARRIS Surfboard 32x8 Docsis 3.1 Cable Modem for Xfinity Internet & Voice, Black

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Product Details

Specifications

Details
Assembled Product Dimensions (L x W x H) 6.25 x 2.12 x 7.25 Inches

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MrEd
Maflagulator
MikeH

11. Arris SURFboard T25 Docsis 3.1 Gigabit Cable Modem for Xfinity Internet & Voice, Black

Arris SURFboard T25 Docsis 3.1 Gigabit Cable Modem for Xfinity Internet & Voice, Black

  • A great choice for Xfinity Internet & Voice gigabit speed subscribers.
  • The SURFboard T25 is perfect for high bandwidth homes.
  • Arris gives you the speed you need at the price you want. Save on Rental Fees.
  • Quick & Easy Setup.
  • Connect all your mobile devices and smart home products seamlessly with Arris.

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Product Details

Specifications

Details
Device Type Cable modem
Form Factor External
Bus Gigabit Ethernet
Processor Intel / ARM
Max Transfer Rate 10 Gbps

12. ARRIS Surfboard S33 Docsis 3.1 Cable Modem

ARRIS Surfboard S33 Docsis 3.1 Cable Modem

  • DOCSIS 3.1 cable modem best for cable internet speed plans up to 3.5 Gbps
  • Compatible with Cox, Spectrum, Xfinity and other major U.S. cable internet providers
  • 32 x 8 DOCSIS 3.0 modem channels
  • 2 downstream x 2 upstream OFDM DOCSIS 3.1 channels
  • One 2.5-Gigabit Ethernet port and One 1 Gigabit Ethernet port

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Product Details

Specifications

Details
Device Type Cable modem
Form Factor External
Bus 2.5 Gigabit Ethernet
Connectivity Technology Wired
Max Transfer Rate 3.5 Gbps

13. ARRIS Surfboard Docsis 3.1 Multi-Gigabit Cable Modem with 2.5 Gbps Ethernet Port, Approved for Cox, Xfinity, Spectrum and Others 1001360

ARRIS Surfboard Docsis 3.1 Multi-Gigabit Cable Modem with 2.5 Gbps Ethernet Port, Approved for Cox, Xfinity, Spectrum and Others 1001360

  • Connects to any existing Wi-Fi router for blazing-fast internet.
  • Stop renting your modem and save on monthly modem rental fees!
  • The ARRIS SURFboard DOCSIS 3.1 Multi-Gig cable modem optimizes the latest technology for uninterrupted working, streaming and gaming at top speeds.
  • Cable internet service required. Does NOT include Wi-Fi and does not support cable digital voice service.
  • Brand: ARRIS.

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Product Details

Specifications

Details
Assembled Product Dimensions (L x W x H) 4.74 x 1.80 x 5.14 Inches

14. Netgear CM1000-100NAS Docsis 3.1 Ultra-High Speed Cable Modem

Netgear CM1000-100NAS Docsis 3.1 Ultra-High Speed Cable Modem

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Product Details

Specifications

Details
Network (RJ-45) Yes
Phone Line (RJ-11) No
USB No
Number of Network (RJ-45) Ports 1
Broadband Transmission Speed 1024 Mbit/s

15. ARRIS Surfboard S33-RB Docsis 3.1 2.5Gbps Cable Modem – Xfinity, Spectrum, Cox & More (Renewed)

ARRIS Surfboard S33-RB Docsis 3.1 2.5Gbps Cable Modem - Xfinity, Spectrum, Cox & More (Renewed)

  • MULTI-GIG NETWORKING: The SURFboard S33 features a 2.5 Gbps Ethernet port plus an additional 1 Gbps Ethernet port for a 2nd network.
  • Cable internet service required. Does NOT include Wi-Fi and does not support cable digital voice service.
  • DOCSIS 3.1 Cable Modem approved for cable internet speed plans up to 1.2 Gbps.
  • 32 downstream x 8 upstream DOCSIS 3.0 bonded channels, 2 downstream x 2 upstream OFDM DOCSIS 3 1 channels.
  • Connects to any existing Wi-Fi router for blazing-fast internet.

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Product Details

Specifications

Details
Connectivity Technology Ethernet, Coaxial Cable
Compatible Devices Router, Personal Computer
Item Dimensions LxWxH 6 x 2 x 6 inches

16. ARRIS Surfboard T25 Docsis 3.1 Gigabit Cable Modem, Certified for Xfinity Internet & Voice (Black)

ARRIS Surfboard T25 Docsis 3.1 Gigabit Cable Modem, Certified for Xfinity Internet & Voice (Black)

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Product Details

17. ARRIS – Surfboard 32 x 8 Docsis 3.0 Voice Cable Modem for Xfinity – Black

ARRIS - Surfboard 32 x 8 Docsis 3.0 Voice Cable Modem for Xfinity - Black

  • DOCSIS 3.0 technology in the modem allows you to download data at a speed of up to 1.4 Gb per second
  • It features 2 voice ports where you can connect telephone lines
  • Assembled with multi-processor to help enhance the overall performance

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Product Details

Specifications

Details
Device Type Cable modem
Form Factor External
Bus Gigabit Ethernet
Max Transfer Rate 1.4 Gbps
Protocols & Specifications DOCSIS 3.0

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Oiprac
Tourist
NJSuZQ

18. Netgear CM700 (32×8) Docsis 3.0 Gigabit Cable Modem. Max Download Speeds of 1.4Gbps. Certified for Xfinity by Comcast, Time Warner Cable, Charter & Mo

Netgear CM700 (32x8) Docsis 3.0 Gigabit Cable Modem. Max Download Speeds of 1.4Gbps. Certified for Xfinity by Comcast, Time Warner Cable, Charter & Mo

  • 32 x 8 Docsis 3.0

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Specifications

Details
Size 32×8 Cable Modem (CM700)

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LittleJerry
Jo Atmon
MAMBAMAMA

19. ARRIS Surfboard (32×8) Docsis 3.0 Cable Modem for Xfinity Internet&Voice SBV3202

ARRIS Surfboard (32x8) Docsis 3.0 Cable Modem for Xfinity Internet&Voice SBV3202

  • Certified to work with Xfinity internet & voice service Not certified for use with other cable internet service providers
  • DOCSIS 3 0 cable Modem with 32 downstream x 8 upstream channels, best for Xfinity cable internet speed plans up to 600 Mbps
  • 1 Gigabit Ethernet port for connection to a Wi-Fi router or other wired device
  • 2 telephone ports for Xfinity digital voice service
  • Xfinity internet service required Does not include Wi-Fi

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Product Details

Specifications

Details
Piece Count 1
Maximum Data Transfer Rate 1.4 Gbps
System of Measurement U.S. Customary
Count Per Pack 10
Count 1

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Beans

20. Netgear Nighthawk CM1100 DOCSIS 3.1 Cable Modem

Netgear Nighthawk CM1100 DOCSIS 3.1 Cable Modem

  • Delivers true Multi-Gig Internet speeds with link aggregation support (compatible router Nighthawk AX8 8-Stream Wi-Fi 6 Router)
  • Meets DOCSIS 3.1 specifications and is backward compatible with DOCSIS 3.0 networks
  • Supports IPv6 – Internet standard

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Product Details

Specifications

Details
Device Type Cable modem
Form Factor External
Bus Gigabit Ethernet
Connectivity Technology Wired
Max Transfer Rate 2 Gbps

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AOF World Travels
1Joe
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Conclusion

The Comcast Xfinity Gigabit cable modem is one of the best on the market. It is very fast, reliable, and easy to use. The only downside is that it is a bit expensive. However, it is worth the price if you need the speed and reliability.

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