As an Amazon Associate I earn from qualifying purchases.
Great for use with whole home wifi or Mesh networks like eero, computer, Google WiFi, MG7550, and Orbi. Requires cable internet service. Approved by and for use with comcast xfinity and xfinity x1, and other cable service providers.
This cable modem does not have a built-in wireless router or telephone call capability. Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. Model mb7621 is recommended for actual cable internet service speeds up to 650 Mbps. This cable modem's 1 gigabit ethernet port connects to a wifi router, mg7540, or streaming video device. Wirecutter rates this “the best modem for most people.

5-gbps. Cable internet providers including Cox Gigablast, Spectrum Internet Gig, Xfinity Blast!/Extreme Pro and others. Cable internet service providers.
Simple and secure set-up: plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. A trusted name in home connectivity: better connectivity, better speed. For a complete list see additional details below. Compatibility: the surfboard s33 is compatible with major u. S. Warranty provided by arrIS: Product ships with 2-Year Limited Warranty.

Dedicated customer support: Live Chat and Phone Support available 8am -1am EST. Simple and secure set-up: plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Its 10x faster than DOCSIS 3.
Modem technology: docsis 3. 1 is the newest technology available from cable internet providers. Reduce your cable bill up to $168 dollars per year in cable modem rental fees Savings vary by cable service provider. A trusted name in home connectivity: better connectivity, better speed. Connect to a Wi-Fi router for networking. Ethernet ports: has two 1-gigabit ethernet ports to connect to a Wi-Fi router or other wired device.

Compatible with xfinity internet & voice service: certified by xfinity and ideal for Xfinity’s Triple Play plan.
Multi-gig ethernet: 1 x2. 5gbps ethernet port for the fastest, true multi-gig Internet connections. Modem technology: engineered with DOCSIS 3. 1 32x8 channel bonding and OFDMA 2x2. For the fastest internet, connect to a NETGEAR WiFi 6 router or Orbi Mesh system. Built for fastest multi-gig speeds: Best for cable provider plans up to 2. 5gbps.

1 service, 8, or other operating systems running a TCP/IP network, Mac OS, 10, Microsoft Windows 7, Firefox 2.0
Cm1000-1aznas is not compatible with: verizon, AT&T, or CenturyLink. Docsis 3. 1 specifications and is backward compatible with DOCSIS 3. 1 up to 10x faster download speeds than docsis 3. Separate router required for Wi-Fi. Support all cable internet speed tiers, up to Gigabit 1000 Mbps service. Eliminate monthly cable modem rental fees - up to $156 per year.

S. Two 1-gigabit Ethernet ports. Easily setup your modem with the SURFboard Central app. Cable internet providers. 32 downstream x 8 upstream docsis 3.

Wireless power boost for better speed and range - adds high-performance wi-fi power amplifiers to boost the wireless signals to the legal limit, giving a significant Boost in speed and range. Savings are shown for comcast Xfinity and vary by cable service provider.
A broadcom cable Modem Chipset provides security from denial of service attacks. Built-in high-speed router with ac1900 wireless and power boost - provides internet access for wi-Fi devices including smartphones, notebooks, tablets, and more.4 10/100/1000 gigabit ethernet lan ports provide wired connections to Windows and Mac computers and other Ethernet-capable devices. Fast 24x8 docsis 3. 0 cable modem plus a built-in ac1900 dual band 2.

The motorola mg7310, mg7540 and MG7550 have a built-in wireless router. Requires cable internet service. Certified by comcast xfinity for residential speeds up to extreme 300, cox, Time Warner Cable, Charter Spectrum, BrightHouse, by Comcast Business for speeds up to Deluxe 250, and other leading cable service providers for modem ownership programs that typically save rental charges of 120 dollar or more per year.
This 16x4 docsis 3. 0 cable modem provides speeds up to 686 mbps, sixteen times faster than DOCSIS 2. 0 Experienced usa-based customer support specialists are there to help if you need them. A full-band capture digital tuner ensures a faster, more reliable Internet. Setup is fast and easy with a few quick steps set out in a Quick Start guide.

The arris surfboard T25 DOCSIS 3. 1 cable modem is designed to bring you superior connectivity, increase your network capability and provide faster streaming and downloading throughout your home.
For use with Xfinity Internet & Voice Service. Save money: own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees. Ethernet & telephony ports: has two 1-gigabit ethernet ports to connect to a Wi-Fi router or other wired device plus two telephony ports for digital voice service. From a strusted brand with over 260 million modems sold and growing. Modem technology: docsis 3.

Cable internet service providers. It's approved for cable internet speed plans up to 1 Gbps. For a complete list see additional details below.
Cable internet providers including Cox Gigablast, Spectrum Internet Gig, Xfinity Gigabit/Gigabit x2 and others. Modem technology: docsis 3. 1 is the newest technology available from cable internet providers. Router technology: features four 1-gigabit ethernet ports and delivers Wi-Fi 6 speeds up to 3 Gbps 3, 000 Mbps.
1. Motorola
#ad
Cox, Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, and Spectrum | for Cable Plans Up to 900 Mbps | DOCSIS 3.0
#adMotorola #ad - Model mb7621 has no phone jack. No cable modem is compatible with fiber optic, dsl, at&t, charter spectrum, Cox, CableOne, BrightHouse, CenturyLink, Time Warner Cable, or satellite services from Verizon, RCN, SuddenLink, Frontier, and others. The motorola mg7315, game station, HDTV, and MG7700 have a built-in wireless router.Great for use with whole home wifi or Mesh networks like eero, computer, Google WiFi, MG7550, and Orbi. Requires cable internet service. Approved by and for use with comcast xfinity and xfinity x1, and other cable service providers.
More information #ad
Eliminate cable modem rental fees up to 156 dollars per year. Savings are shown for Xfinity and vary by cable service provider. A 2-year warranty plus rugged lightning and power surge circuits protect your investment. This cable modem does not have a built-in wireless router or telephone call capability. Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. Model mb7621 is recommended for actual cable internet service speeds up to 650 Mbps. This cable modem's 1 gigabit ethernet port connects to a wifi router, mg7540, or streaming video device. Wirecutter rates this “the best modem for most people.
Brand | Motorola #ad |
Manufacturer | MTRLC LLC #ad |
Height | 7.88 Inches |
Length | 7.25 Inches |
Weight | 0.07 Pounds |
Width | 2.25 Inches |
Part Number | MB7621-10 |
Model | MB7621 |
Warranty | 2 YEAR MANUFACTURER |
More information #ad
2. ARRIS
#ad
Spectrum & More | 1 & 2.5 Gbps Ports | 2.5 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty, Cox, ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gigabit Cable Modem | Approved for Comcast Xfinity
#adARRIS #ad - The arris surfboard s33 docsis 3. 1 cable modem is designed to bring you superior connectivity, increase your network capability and provide faster streaming and downloading throughout your home. It's approved for cable internet speed plans up to 2.5-gbps. Cable internet providers including Cox Gigablast, Spectrum Internet Gig, Xfinity Blast!/Extreme Pro and others. Cable internet service providers.
More information #ad
Certified for use with most U. S. Modem technology: docsis 3. 1 is the newest technology available from cable internet providers. Check your internet Service Provider ISP website to confirm compatibility. Simple and secure set-up: plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. A trusted name in home connectivity: better connectivity, better speed. For a complete list see additional details below. Compatibility: the surfboard s33 is compatible with major u. S. Warranty provided by arrIS: Product ships with 2-Year Limited Warranty.
Brand | ARRIS #ad |
Manufacturer | CommScope #ad |
Height | 4.74 Inches |
Length | 5.14 Inches |
Weight | 0.9 Pounds |
Width | 1.8 Inches |
Part Number | S33 |
Model | S33 |
Warranty | 2 year limited warranty |
More information #ad
3. ARRIS
#ad
ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Charter Spectrum, & more | Two 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 OFDM Channels | 2 Year Warranty, Cox
#adARRIS #ad - Warranty provided by arrIS: Product ships with 2-Year Limited Warranty. Cable internet service providers. Save money: own your modem and save. From a trusted brand with over 260 million modems sold and growing. It's approved for cable internet speed plans up to 1-Gbps.Dedicated customer support: Live Chat and Phone Support available 8am -1am EST. Simple and secure set-up: plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Its 10x faster than DOCSIS 3.
More information #ad
0, provides better security, reduces lag while gaming & enables multi-gig networking ability to run fast speeds on your copper cable from your internet provider. For a complete list see additional details below. Cable internet providers including Cox Gigablast, Spectrum Internet Gig, Xfinity Blast!/Extreme Pro and others. Modem technology: docsis 3. 1 is the newest technology available from cable internet providers. Reduce your cable bill up to $168 dollars per year in cable modem rental fees Savings vary by cable service provider. A trusted name in home connectivity: better connectivity, better speed. Connect to a Wi-Fi router for networking. Ethernet ports: has two 1-gigabit ethernet ports to connect to a Wi-Fi router or other wired device.
Brand | ARRIS #ad |
Manufacturer | CommScope #ad |
Height | 5 Inches |
Length | 5 Inches |
Width | 2 Inches |
Part Number | SB8200 |
Model | SB8200 |
Warranty | 2 year Limited Warranty |
More information #ad
4. NETGEAR
#ad
Supports Cable Plans Up to 2.5 Gbps, NETGEAR Nighthawk Xfinity Modem with Voice CM2050V Cable Modem DOCSIS 3.1 Gigabit, 2 Phone Lines
#adNETGEAR #ad - Not compatible with verizon, directV, AT&T, DSL providers, CenturyLink, DISH. Save monthly rental fees: Replaces your cable modem saving you up to $168/yr in equipment rental fees. Works with any wifi router, best with wifi 6: connect any wifi router to this modem’s Ethernet port to support all your wireless devices.Compatible with xfinity internet & voice service: certified by xfinity and ideal for Xfinity’s Triple Play plan.
More information #ad
Voice phone support: for use with xfinity Voice service and up to 2 telephone lines with enhanced call features including caller ID, 3-way conference calling, call forwarding and more. Multi-gig ethernet: 1 x2. 5gbps ethernet port for the fastest, true multi-gig Internet connections. Modem technology: engineered with DOCSIS 3. 1 32x8 channel bonding and OFDMA 2x2. For the fastest internet, connect to a NETGEAR WiFi 6 router or Orbi Mesh system. Built for fastest multi-gig speeds: Best for cable provider plans up to 2. 5gbps.
Brand | NETGEAR #ad |
Manufacturer | NETGEAR #ad |
Height | 8.2 Inches |
Length | 6.8 Inches |
Weight | 2.64 Pounds |
Width | 3.7 Inches |
Part Number | CM2050V-100NAS |
Model | CM2050V-100NAS |
Warranty | 1-year warranty |
More information #ad
5. NETGEAR
#ad
Cox. Compatible with Gig-Speed from Xfinity, CM1000-1AZNAS Renewed, Netgear Gigabit Cable Modem 32x8 DOCSIS 3.1 | for XFINITY by Comcast
#adNETGEAR #ad - Meets docsIS 3. Docsis 3. 0 32x8 channel bonding. System requirements- cable broadband internet service, safari 1. 4, vista, microsoft internet explorer 5. 0, please check your cable internet service provider web site for data speed tier compatibility and to ensure it provides DOCSIS 3.1 service, 8, or other operating systems running a TCP/IP network, Mac OS, 10, Microsoft Windows 7, Firefox 2.0
More information #ad
0, xp, 2000, otherwise this modem will only work as a DOCSIS 3.0 modem, or Google Chrome 11. 0 browsers or higher. 0 networks. 1 is ofdm 2x2+ docsiS 3. Not compatible with cable bundled voice services. Cm1000-1aznas is not compatible with: verizon, AT&T, or CenturyLink. Docsis 3. 1 specifications and is backward compatible with DOCSIS 3. 1 up to 10x faster download speeds than docsis 3. Separate router required for Wi-Fi. Support all cable internet speed tiers, up to Gigabit 1000 Mbps service. Eliminate monthly cable modem rental fees - up to $156 per year.
Brand | NETGEAR #ad |
Manufacturer | NETGEAR #ad |
Height | 4.53 Inches |
Length | 10.24 Inches |
Width | 7.24 Inches |
Part Number | Morza/va179 |
Model | CM1000-100NAS |
Warranty | 90 days limited warranty |
More information #ad
6. ARRIS
#ad
Charter Spectrum, ARRIS SURFboard SB8200-RB DOCSIS 3.1 Cable Modem | Approved for Comcast Xfinity, Cox, & more | Two 1 Gbps Ports | 1 Gbps Max Internet Speeds | 4 OFDM Channels Renewed
#adARRIS #ad - Docsis 3. 1 cable modem best for cable internet speed plans up to 2 gbps*. Docsis 3. 1 cable modem best for cable internet speed plans up to 2 gbps*. Compatible with xfinity Comcast, Charter Spectrum, Cox, and other major U.S. Two 1-gigabit Ethernet ports. Easily setup your modem with the SURFboard Central app. Cable internet providers. 32 downstream x 8 upstream docsis 3.
More information #ad
0 bonded channels, or 2 downstream x 2 upstream OFDM DOCSIS 3. 1 channels. Cable internet providers. 32 downstream x 8 upstream DOCSIS 3. 0 bonded channels, or 2 downstream x 2 upstream OFDM DOCSIS 3. 1 channels. Two 1-gigabit ethernet portsEasily setup your modem with the SURFboard Central app. Compatible with xfinity comcast, Charter Spectrum, Cox, and other major U. S.Brand | ARRIS #ad |
Manufacturer | Commscope #ad |
Height | 5.24 Inches |
Length | 1.65 Inches |
Weight | 1 Pounds |
Width | 5.24 Inches |
Part Number | SB8200-RB |
Model | SB8200-RB |
Warranty | 90 day manufacturer |
More information #ad
7. Motorola
#ad
Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0 + Gigabit Router
#adMotorola #ad - Eliminate up to 156 dollars per year in cable modem rental fees. Certified by all leading cable service providers including Comcast Xfinity, available from Verizon, AT&T, or satellite services, CenturyLink, Charter spectrum no cable Modem is compatible with fiber optic, Frontier, DSL, Cox, and others.Wireless power boost for better speed and range - adds high-performance wi-fi power amplifiers to boost the wireless signals to the legal limit, giving a significant Boost in speed and range. Savings are shown for comcast Xfinity and vary by cable service provider.
More information #ad
The maximum modem speed is 1000 Mbps, supporting service speeds up to 650 In addition, anybeam Performing at both 2. 4 ghz and 5 ghz frequencies focuses the signal on wireless clients to further enhance performance and range. A broadcom cable Modem Chipset provides security from denial of service attacks. Built-in high-speed router with ac1900 wireless and power boost - provides internet access for wi-Fi devices including smartphones, notebooks, tablets, and more.4 10/100/1000 gigabit ethernet lan ports provide wired connections to Windows and Mac computers and other Ethernet-capable devices. Fast 24x8 docsis 3. 0 cable modem plus a built-in ac1900 dual band 2.
Brand | Motorola #ad |
Manufacturer | Motorola #ad |
Height | 9 Inches |
Length | 8.6 Inches |
Weight | 1.5 Pounds |
Width | 2.6 Inches |
Part Number | MG7700-10 |
Model | MG7700 |
Warranty | 2 year manufacturer |
More information #ad
8. Motorola
#ad
Cox, Charter Spectrum, Model MB7420, Certified by Comcast XFINITY, 686 Mbps DOCSIS 3.0, MOTOROLA 16x4 Cable Modem, Time Warner Cable, BrightHouse, and More
#adMotorola #ad - Cable modem's ethernet port connects to a computer, hdtv, game station, mg7315, or wireless router. This model mb7420 cable modem does NOT have a built-in wireless router and does not have a telephone adapter or phone jack.The motorola mg7310, mg7540 and MG7550 have a built-in wireless router. Requires cable internet service. Certified by comcast xfinity for residential speeds up to extreme 300, cox, Time Warner Cable, Charter Spectrum, BrightHouse, by Comcast Business for speeds up to Deluxe 250, and other leading cable service providers for modem ownership programs that typically save rental charges of 120 dollar or more per year.
More information #ad
This 16x4 docsis 3. 0 cable modem provides speeds up to 686 mbps, sixteen times faster than DOCSIS 2. 0 Experienced usa-based customer support specialists are there to help if you need them. A full-band capture digital tuner ensures a faster, more reliable Internet. Setup is fast and easy with a few quick steps set out in a Quick Start guide.
Brand | Motorola #ad |
Manufacturer | MTRLC LLC #ad |
Height | 6.1 Inches |
Length | 4.9 Inches |
Weight | 0.58 Pounds |
Width | 2 Inches |
Part Number | MB7420-10 |
Model | MB7420-10 |
Warranty | 2 year manufacturer |
More information #ad
9. ARRIS
#ad
ARRIS SURFboard T25 DOCSIS 3.1 Gigabit Cable Modem | Comcast Xfinity Internet & Voice | Two 1 Gbps Ports | 2 Telephony Ports | 800 Mbps Max with Xfinity Internet Plans | 2 Year Warranty
#adARRIS #ad - Simple and secure set-up: plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. A trusted name in home connectivity: better connectivity, better speed. Compatibility: the surfboard t25 is compatible with Xfinity Internet & Voice service and is approved for cable internet speed plans up to 800 Mbps.The arris surfboard T25 DOCSIS 3. 1 cable modem is designed to bring you superior connectivity, increase your network capability and provide faster streaming and downloading throughout your home.
More information #ad
What's in the box: when you purchase you will get an ARRIS SURFboard T25 Cable Modem, Quick-Start guide, Power Supply, and 2-year warranty card. Warranty provided by arrIS: Product ships with 2-Year Limited Warranty. For use with Xfinity Internet & Voice Service. Save money: own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees. Ethernet & telephony ports: has two 1-gigabit ethernet ports to connect to a Wi-Fi router or other wired device plus two telephony ports for digital voice service. From a strusted brand with over 260 million modems sold and growing. Modem technology: docsis 3.
Brand | ARRIS #ad |
Manufacturer | CommScope #ad |
Weight | 1.7 Pounds |
Part Number | T25 |
Model | T25 |
Warranty | 2 Year limited |
More information #ad
10. ARRIS
#ad
Spectrum & More | Four 1 Gbps Ports | 1 Gbps Max Internet Speeds | 2 Year Warranty, Cox, ARRIS Surfboard G34 DOCSIS 3.1 Gigabit Cable Modem & Wi-Fi 6 Router AX3000 | Approved for Comast Xfinity
#adARRIS #ad - Reduce your cable bill up to $168 dollars per year in cable modem rental fees Savings vary by cable service provider. From a trusted brand with over 260 million modems sold and growing. Compatibility: the surfboard g34 is compatible with major u. S. What's in the box: when you purchase you will get an ARRIS SURFboard G34 Cable Modem, Quick-Start guide, Power Supply, and 2-year warranty card.Cable internet service providers. It's approved for cable internet speed plans up to 1 Gbps. For a complete list see additional details below.
More information #ad
Check your internet Service Provider ISP website to confirm compatibility. Warranty provided by arrIS: Product ships with 2-Year Limited Warranty. A trusted name in home connectivity: get high speeds, low latency, and a two-in-one product! With the ARRIS SURFboard G34 Wi-Fi Cable Modem, you will increase your network capability and get ultra-fast streaming and downloading throughout your home. Cable internet providers including Cox Gigablast, Spectrum Internet Gig, Xfinity Gigabit/Gigabit x2 and others. Modem technology: docsis 3. 1 is the newest technology available from cable internet providers. Router technology: features four 1-gigabit ethernet ports and delivers Wi-Fi 6 speeds up to 3 Gbps 3, 000 Mbps.
Brand | ARRIS #ad |
Manufacturer | CommScope #ad |
Height | 8 Inches |
Length | 10 Inches |
Width | 3 Inches |
Part Number | G34 |
Model | G34 |
Warranty | 2 year limited |
More information #ad