8+ Best Modem To Work With Xfinity in 2023 (November)
John Grisham Nov 30, 2023 10:26 AM
A modem is an essential piece of hardware required to connect to an internet service provider such as Xfinity. It takes the signal from the provider and converts it into a format that can be used by a computer or other internet-enabled device. Generally, Xfinity customers will need a DOCSIS 3.0-certified modem that is capable of delivering speeds of up to 300 Mbps.
It is important to check with Xfinity to ensure that the modem is compatible with their service before purchasing.

Compare
No | Image | Product | Score | Check |
---|---|---|---|---|
1 | ![]() | NETGEAR Nighthawk Multi-Gig Cable Modem CM2000 | 8.8 | Check Price |
2 | ![]() | NETGEAR Cable Modem DOCSIS 3.1 | 8.8 | Check Price |
3 | ![]() | NETGEAR Cable Modem DOCSIS 3.0 | 8.8 | Check Price |
4 | ![]() | NETGEAR Cable Modem Wi-Fi Router Combo C6250 | 8.6 | Check Price |
5 | ![]() | NETGEAR Cable Modem WiFi Router Combo C6220 | 8.6 | Check Price |

NETGEAR Nighthawk Multi-Gig Cable Modem CM2000
Dimensions: 8.7 x 9.92 x 4.7 Inches
Warranty: 1-year warranty
Verdict:
The NETGEAR Nighthawk Multi-Gig Cable Modem CM2000 is a great choice for those who need high-speed internet access and want to save on rental fees. It is compatible with all major cable internet providers, works with any WiFi router, and has a multi-gig Ethernet port for the fastest and true multi-gig internet connections.
Specs:
• Built for fastest multi-gig speeds: best for cable provider plans up to 2.5Gbps
• Compatible with all major cable internet providers: including Xfinity, COX and Spectrum
• Works with any WiFi router, best with WiFi 6
• Multi-gig Ethernet: 1 x 2.5Gbps Ethernet port
• 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 32x8 channel bonding and OFDM (A) 2x2
Pros:
• Fastest multi-gig speeds
• Compatible with all major cable internet providers
• Works with any WiFi router
• Multi-gig Ethernet port
• Save monthly rental fees
• High-quality modem technology
Cons:
• Not compatible with Verizon, ATandT, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.

NETGEAR Cable Modem DOCSIS 3.1
Color: Black
Dimensions: 8.8 x 5.4 x 5.9 Inches
Verdict:
The NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem is a great choice for anyone looking for a reliable, high-speed internet connection. With its support for all cable internet speed tiers and DOCSIS 3.1 technology, it offers up to 10 times faster download speeds than DOCSIS 3.0.
Specs:
• DOCSIS 3.1 up to 10X faster download speeds than DOCSIS 3.0
• 32 downstream and 8 upstream channels for DOCSIS 3.0 connection
• Support all cable internet speed tiers, up to Gigabit (1000 Mbps) service
• Compatible with Xfinity from Comcast, Cox, Mediacom Cable, and more
• Separate router required for WiFi
• Not compatible with: Verizon, ATandT, or CenturyLink
Pros:
• High-speed internet connection
• Up to 10 times faster download speeds than DOCSIS 3.0
• Eliminates monthly cable modem rental fees
• Compatible with Xfinity from Comcast, Cox, Mediacom Cable, and more
Cons:
• Not compatible with Verizon, ATandT, or CenturyLink
• Separate router required for WiFi
• Not compatible with bundled voice services

NETGEAR Cable Modem DOCSIS 3.0
Color: BLACK
Dimensions: 5.2 x 1.7 x 6.6 Inches
Warranty: Limited (1) Year Warranty
Verdict
The NETGEAR Cable Modem DOCSIS 3.0 is a great option for cable internet users looking to save on monthly rental fees. It is compatible with all major cable internet providers and offers fast speeds up to 800 Mbps.
Specs
- Compatible with all major cable internet providers
- Save up to 168 Dollars/year in equipment rental fees
- Speeds up to 800 Mbps
- Connect any Wi-Fi router to this modem's Ethernet port
- 32x8 channel bonding, OFDM 2x2, and DOCSIS 3.1
- System requirements: Cable broadband Internet service, Microsoft Windows 7, 8, 10, Vista`, XP, 2000, Mac OS, or other operating systems running a TCP/IP network. Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher
Pros
- Compatible with all major cable internet providers
- Save money on rental fees
- Fast speeds up to 800 Mbps
- Connects to any Wi-Fi router
- 32x8 channel bonding, OFDM 2x2, and DOCSIS 3.1
Cons
- Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH, or any bundled voice service
- System requirements: Cable broadband Internet service, Microsoft Windows 7, 8, 10, Vista`, XP, 2000, Mac OS, or other operating systems running a TCP/IP network. Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher

NETGEAR Cable Modem Wi-Fi Router Combo C6250
Color: Black
Dimensions: 7.68 x 7.79 x 2.52 Inches
Warranty: Limited (1) Year Warranty
Verdict:
The NETGEAR Cable Modem Wi-Fi Router Combo C6250 is an excellent choice for those looking for a reliable, high-speed cable modem and Wi-Fi router combo. It is compatible with all major cable internet providers, and will save you money on equipment rental fees.
Specs:
- Compatible with all major cable internet providers (Xfinity by Comcast, COX, and Spectrum)
- Up to 1500 sq ft wireless coverage and 25 devices connected with AC1600 speed (up to 1600 Mbps)
- 2 Gigabit Ethernet ports and 1 USB port for fast wired connections
- DOCSIS 3.0 modem technology with 16x4 channel bonding
- Supports WEP and WPA/WPA2 wireless security protocols
Pros:
- Compatible with all major cable internet providers
- Fast WiFi performance and coverage
- Affordable rental fees
- Versatile connections
- Safe and secure
Cons:
- Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.

NETGEAR Cable Modem WiFi Router Combo C6220
Color: Black
Dimensions: 2.25 x 9.23 x 6.1 Inches
Warranty: 1-year warranty
Verdict:
The NETGEAR Cable Modem WiFi Router Combo C6220 is a great choice for those looking for a cost-effective solution for their cable internet plan and provides fast WiFi performance and versatile connections.
Specs:
- Compatible with all major cable internet providers (Xfinity, Cox, Spectrum)
- Saves up to $168/yr in equipment rental fees
- Speeds up to 200 Mbps (Xfinity)
- AC1200 WiFi speed
- 2 Gigabit Ethernet ports and 1 USB port
Pros:
- Cost-effective
- Fast WiFi performance
- Versatile connections
- Easy to setup and use
Cons:
- Not compatible with some providers such as Verizon, AT&T, and CenturyLink
- Not compatible with DSL providers, DirecTV, DISH, and any bundled voice service

NETGEAR Cable Modem CM700
Dimensions: 8.62 x 3.7 x 6.81 Inches
Warranty: 90 days limited warranty

NETGEAR Cable Modem
Color: black
Dimensions: 16.67 x 12.81 x 11.54 Inches
Warranty: 90 days limited warranty

NETGEAR Nighthawk Cable Modem
Color: Black
Dimensions: 3.4 x 6.1 x 10.3 Inches
Warranty: NETGEAR 1-year limited warranty
Last update on 2023-11-30 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API
Best Wireless Cable Modem 2023: Reviewed and Ranked: A wireless cable modem is one of the most convenient and cost-effective ways to connect to the internet..

The best modem to work with XFINITY is the Netgear Nighthawk C7800 modem. Image source: Amazon.com
What is the best modem to use with Xfinity services?
The best modem to use with Xfinity services is the Netgear CM1000. This modem is officially approved and recommended by Xfinity and is capable of delivering gigabit speeds, making it ideal for streaming and other high-bandwidth activities.
Are there any modems that are not compatible with Xfinity services?
Yes, there are some modems that are not compatible with Xfinity services. Examples include modems from other cable providers, modems without DOCSIS 3.0 technology, and modems without the required number of downstream channels. Additionally, modems with integrated Wi-Fi routers may not be compatible with Xfinity services.
Are there any differences between modems that work with Xfinity and modems that don't?
Yes, there are differences between modems that work with Xfinity and modems that don't. Xfinity-compatible modems must be certified by Comcast to comply with their network specifications. Additionally, Xfinity-compatible modems will typically have higher download speeds and are optimized to work with Xfinity services, such as streaming video. Non-Xfinity modems may not be certified by Comcast, which could result in slower connection speeds or unreliable service.
Are there any features that make certain modems better than others for use with Xfinity services?
Yes, there are several features that make certain modems better than others for use with Xfinity services. These features include:1. DOCSIS 3.0 and higher compatibility: This ensures fast speeds and reliable connections for Xfinity services.
2. Multiple Ethernet ports: Having multiple Ethernet ports allows for connecting multiple devices to the same modem.
3. Wi-Fi support: Wi-Fi support ensures that wireless devices can connect to the modem.
4. Voice support: Voice support allows you to make phone calls over the internet using your Xfinity service.
5. Security features: Security features such as firewalls, parental controls, and antivirus software help protect your network from malicious attacks.
6. Quality of Service (QoS): QoS helps prioritize traffic over your network, ensuring that high-priority tasks such as streaming video and gaming get the bandwidth they need.
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If you're looking for the best modem to work with Xfinity, you can't go wrong with the Netgear CM1000. Image source: Amazon.com