Best Fast Modem In September 2026

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If you are looking for the Best Fast Modem of top quality, read our detailed reviews on them here before making the purchase decision.

To help you in your search, we have completed this list of the Best Fast Modem.

Top Rated Best Fast Modem Of 2026

Rank	Product Name	Score
1	MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast Buy Now	9.7 Buy Now
2	ARRIS SURFboard Factory Refurbished (32x8) DOCSIS 3.0 Cable Modem. Approved for XFINITY Comcast Buy Now	9.5 Buy Now
3	NETGEAR Cable Modem CM700 - Compatible with all Cable Providers including Xfinity Buy Now	9.1 Buy Now
4	MOTOROLA 24x8 Cable Modem, Model MB7621, DOCSIS 3.0. Approved by Comcast Xfinity, Cox Buy Now	8.8 Buy Now
5	NETGEAR CM500-1AZNAS (16x4) DOCSIS 3.0 Cable Modem, Max download speeds of 686Mbps, Certified Buy Now	8.6 Buy Now
6	MOTOROLA 8x4 Cable Modem, Model MB7220, 343 Mbps DOCSIS 3.0, Certified by Comcast Buy Now	8.3 Buy Now
7	NETGEAR CM700 (32x8) DOCSIS 3.0 Gigabit Cable Modem. Max download speeds of 1.4Gbps Buy Now	8.1 Buy Now
8	MOTOROLA MG7550 16x4 Cable Modem Plus AC1900 Dual Band WiFi Gigabit Router Buy Now	7.8 Buy Now
9	ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem, Approved for Cox, Spectrum, Xfinity Buy Now	7.5 Buy Now
10	Asus CM-16 Docsis 3.0 Cablelabs-Certified 16x4 686 Mbps Cable Modem Certified by Comcast Buy Now	7.2 Buy Now

1. MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast

• Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. a two-year warranty plus rugged lightning and power surge circuits protect your investment.
• This 16x4 docsis 3.0 cable modem provides speeds up to 686 mbps, sixteen times faster than docsis 2.0. a full-band capture digital tuner ensures a faster, more reliable internet.
• Requires cable internet service. certified by comcast xfinity for residential speeds up to extreme 300, by comcast business for speeds up to deluxe 250, time warner cable, cox, charter spectrum, brighthouse, and other leading cable service providers for modem ownership programs that typically save rental charges of $120 or more per year
• Setup is fast and easy with a few quick steps set out in a quick start guide. experienced usa-based customer support specialists are there to help if you need them.
• Cable modem's ethernet port connects to a computer, hdtv, game station, 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, mg7315, mg7540 and mg7550 have a built-in wireless router.)

2. ARRIS SURFboard Factory Refurbished (32x8) DOCSIS 3.0 Cable Modem. Approved for XFINITY Comcast

• Supports ipv4 and ipv6 the latest internet standard
• 32 download & 8 upload channels to future proof your modem as your cable isp enhances service offerings. recommended for plans of 300 mbps and above
• 90 day warranty. arris certified refurbished. us technical support
• Requires cable internet service. compatible with major u.s. cable providers like xfinity, spectrum, cox, suddenlink, mediacom, etc. not compatible with att, verizon or centurylink.

3. NETGEAR Cable Modem CM700 - Compatible with all Cable Providers including Xfinity

• Works with any wifi router: connect any wifi router to this modem's ethernet port to support all your wireless devices.
• Compatible with all major cable internet providers: including certification by xfinity by comcast, cox, and spectrum. not compatible with verizon, at&t, centurylink, dsl providers, directv, dish and any bundled voice service.
• Modem technology: engineered with 32x8 channel bonding and docsis 3.0.
• Ethernet connections: 1 gigabit ethernet port connects to your computer or separate wifi router.
• Save monthly rental fees: model cm700 replaces your cable modem saving you up to $168/yr in equipment rental fees.
• Built for super-fast speed: best for cable provider plans up to 500 mbps speed.

4. MOTOROLA 24x8 Cable Modem, Model MB7621, DOCSIS 3.0. Approved by Comcast Xfinity, Cox

• Requires cable internet service.approved by and for use with comcast xfinity and xfinity x1, cox, charter spectrum, time warner cable, brighthouse, cableone, suddenlink, rcn, and other cable service providers. eliminate cable modem rental fees up to 156 dollars per year.(savings are shown for xfinity and vary by cable service provider. no cable modem is compatible with ...
• Setup is fast and easy using the quick start guide. experienced usa-based motorola customer support specialists are happy to help if you need them. support is in english or spanish.
• Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. a two-year warranty plus rugged lightning and power surge circuits protect your investment. includes phone and web support by friendly, professional usa-based technical support specialists.
• Model mb7621 is recommended for actual cable internet service speeds up to 650 mbps. wirecutter rates this the best modem for most people. a full-band capture digital tuner ensures faster, more reliable internet.
• This cable modem's one gigabit ethernet port connects to a wifi router, computer, hdtv, game station, or streaming video device. great for use with whole home wifi or mesh networks like eero, google wifi, and orbi. (this cable modem does not have a built-in wireless router or telephone call capability. the motorola mg7315, mg7540, mg7550, and mg7700 have a built-in wire...

5. NETGEAR CM500-1AZNAS (16x4) DOCSIS 3.0 Cable Modem, Max download speeds of 686Mbps, Certified

• "the best cable modem" - the wire cutter
• Not compatible with: verizon, at&t, or centurylink. not compatible with bundled voice services
• Docsis 3. 0 up to 16x faster download speeds than docsis 2. 0. number of ethernet ports: one gigabit ethernet port with auto-sensing technology
• Compatible with infinity from comcast, spectrum, cox, cable one & more
• Support cable internet service plans up to 200 mbps. separate router required for wi-fi 16x4 channel bonding
• Eliminate monthly cable modem rental fees - up to 156 usd per year. system requirements- 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

6. MOTOROLA 8x4 Cable Modem, Model MB7220, 343 Mbps DOCSIS 3.0, Certified by Comcast

• Cable modem's ethernet port connects to a computer, hdtv, game station, or wireless router. (this cable modem does not have a built-in wireless router or voip telephone adapter. the motorola mg7310, mg7315, and mg7550 have a built-in wireless router.)
• Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. a two-year warranty plus rugged lightning and power surge circuits protect your investment.
• This 8x4 docsis 3.0 cable modem provides speeds up to 343 mbps, eight times faster than docsis 2.0. a full-band capture digital tuner ensures a faster, more reliable internet.
• Requires cable internet service. certified by comcast xfinity, time warner cable, cox, brighthouse, and other leading cable service providers for modem ownership programs that typically save rental charges of $120 or more per year
• Setup is fast and easy with a few quick steps set out in a quick start guide. experienced usa-based customer support specialists are there to help if you need them.

7. NETGEAR CM700 (32x8) DOCSIS 3.0 Gigabit Cable Modem. Max download speeds of 1.4Gbps

• Up to 1.4gbps download and upload speed. separate router required for wifi. 32x8 channel bonding . cable broadband internet service: please check your cable internet service provider web site for data speed tier compatibility.microsoft windows 7, 8, vista, xp, 2000, mac os, or other operating systems running a tcp/ip network. microsoft internet explorer 5.0, firefox 2.0...

8. MOTOROLA MG7550 16x4 Cable Modem Plus AC1900 Dual Band WiFi Gigabit Router

• Wireless power boost adds high-performance wifi power amplifiers to boost the wireless signals to the legal limit, giving a significant boost in speed and range. the router can work on wifi dfs frequencies, unlike most routers, so it is much less vulnerable to wifi interference from neighbors. in addition, anybeam beamforming at both 2.4 ghz and 5 ghz frequencies focuse...
• Requires cable internet service. approved by and for use with comcast xfinity and xfinity x1, cox, charter spectrum, time warner cable, suddenlink, wow!, cableone and other cable service providers. eliminate cable modem rental fees up to 156 dollars per year. (savings are shown for xfinity and vary by cable service provider. no cable modem is compatible with fiber optic...
• 16x4 docsis 3.0 cable modem plus a built-in ac1900 dual band (2.4 ghz and 5 ghz) wifi gigabit router with four gigabit (gige) ethernet ports, a firewalldfs, power boost, and more. this product is recommended for actual cable internet service speeds up to 375 mbps. a broadcom cable modem chipset provides security from denial of service attacks. wifi performance is except...
• Integrating the cable modem and router creates a reliable connection that reduces unwieldy wiring and power adapter clutter while conserving desk space. the vertical design minimizes shelf space and improves cooling while looking great in any home or office. a two-year warranty plus rugged lightning and power surge circuits protect your investment. includes phone and we...
• Built-in high-speed wifi router with ac1900 wifi, and power boost, and dfs provides internet access for wifi devices including smartphones, notebooks, tablets, game stations, hdtvs, amazon echo, google home, chromecast, roku, amazon fire tv, and appletv. four 10/100/1000 gigabit ethernet lan ports provide wired connections to windows and mac computers, hdtvs, game stati...

9. ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem, Approved for Cox, Spectrum, Xfinity

• 1 gigabit ethernet port for connecting to a wi-fi router or other device.
• Docsis 3.0 cable modem best for cable internet speed plans up to 600 mbps
• Compatible with major u.s. cable internet providers including cox, spectrum, xfinity & others. not compatible with att, verizon, centurylink or other dsl or fiber internet providers. compatible with major u.s. cable internet providers including cox, spectrum, xfinity & others. not compatible with att, verizon, centurylink or other dsl or fiber internet providers.
• 32 downstream x 8 upstream docsis 3.0 bonded channels
• Cable internet service required. does not inlcude wi-fi and does not support cable digital voice service.

10. Asus CM-16 Docsis 3.0 Cablelabs-Certified 16x4 686 Mbps Cable Modem Certified by Comcast

• Supports downstream of up to 686mbps and upstream of up to 131mbps
• Docsis 3.0 16x4 cable modem certified by comcast xfinity, spectrum (legacy time warner cable and charter) and cox
• Five front-facing led indicators easily reveal the status and signal strength of the cable modem
• Save up to $120 per year on rental fees by owning your own cable modem
• Pairs perfectly with asus signature routers such as rt-ac68u and rt-ac66u (router not included, separate purchase required for wifi connectivity)