Best Motorola 7621 In September 2026

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To help you choose the Best Motorola 7621, we’ve put together this comprehensive guide. We have tried to cover as much variety as possible. Hope you will find it helpful!

To help you in your search, we have completed this list of the Best Motorola 7621.

Top Rated Best Motorola 7621 Of 2026

Rank	Product Name	Score
1	Motorola SB5102 SURFboard Cable Modem (SB5100 Series) Buy Now	9.7 Buy Now
2	NETGEAR CM500-100NAR DOCSIS 3.0 Cable Modem with 16x4 Max Download speeds of 680Mbps Buy Now	9.5 Buy Now
3	Motorola SBG6580 SURFboard eXtreme 3.0 Wireless Cable Modem Gateway - Latest Version Buy Now	9.1 Buy Now
4	Linksys High Speed DOCSIS 3.0 24x8 Cable Modem, for Comcast/Xfinity, Time Warner, 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 SB6180 DOCSIS 3.0 Cable Modem in Non-Retail Packaging (Brown Box) Buy Now	8.3 Buy Now
7	Motorola MB7220-10 8x4 Cable Modem, Model MB7220, 343 Mbps DOCSIS 3.0, Certified Buy Now	8.1 Buy Now
8	Motorola SURFboard SB6182 DOCSIS 3.0 Cable Modem Buy Now	7.8 Buy Now
9	MOTOROLA 24x8 Cable Modem, Model MB7621, DOCSIS 3.0. Approved by Comcast Xfinity, Cox Buy Now	7.5 Buy Now
10	NETGEAR 24x8 Cable Modem, DOCSIS 3.0 | Certified for XFINITY by Comcast, Spectrum Buy Now	7.2 Buy Now

1. Motorola SB5102 SURFboard Cable Modem (SB5100 Series)

• 10/100base-t ethernet (rj-45) data port
• Compatible with windows , macintosh and unix computers
• Plug-and-play installation
• Supports up to 63 computers on a single internet connection (additional networking hardware required.)

2. NETGEAR CM500-100NAR DOCSIS 3.0 Cable Modem with 16x4 Max Download speeds of 680Mbps

• Eliminate monthly cable modem rental fee's ($120 or more a year).
• Docsis 3.0 cable modem with 1 gigabit ethernet port.
• Netgear certified refurbished product is manufacturer refurbished to work and look as new with 90 day warranty and email support. all accessories are included with limited documentation and additional information online.
• Up to 680mbps download and upload speed. separate router required for wifi. 16x4 channel bonding
• Gigabit ethernet portfastest wired speeds to connect your router or computer
• Netgear refurbished product may have a removed serial number. you will need to state the product is refurbished (state the full part number) if emailing customer support. see the attached (image) flyer to obtain the serial number and mac address information that maybe needed by your cable provider before contacting them.

3. Motorola SBG6580 SURFboard eXtreme 3.0 Wireless Cable Modem Gateway - Latest Version

• Includes a 4-port gigabit ethernet router
• Compatible with spectrum and comcast xfinity
• 8 download and 4 upload channels
• Switchable 2.4/5.0 ghz dual-band and 802.11n wi-fi
• Download speeds up to 343 mbps

4. Linksys High Speed DOCSIS 3.0 24x8 Cable Modem, for Comcast/Xfinity, Time Warner, Cox

• Easy plug and play setup
• High speed cable modem only, does not include telephone/voice ports
• Experience high-speed wi-fi speeds from your existing isp plans up to 300 mbps ideal for hd media streaming, simultaneous online gaming, web surfing and more
• Features intel puma 6 chipset to achieve high-speed downstream and upstream performance

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

• Compatible with infinity from comcast, spectrum, cox, cable one & more
• 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
• Support cable internet service plans up to 200 mbps. separate router required for wi-fi 16x4 channel bonding
• 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
• Not compatible with: verizon, at&t, or centurylink. not compatible with bundled voice services
• "the best cable modem" - the wire cutter

6. Motorola SB6180 DOCSIS 3.0 Cable Modem in Non-Retail Packaging (Brown Box)

• 10/100/1000 mbps ethernet port to connect with router or computer
• Compatible with major cable internet providers. contact your isp to verify compatibility.
• Good for streaming audio / video and gaming on multiple devices at a time
• Compatible with windows, macintosh and unix computers
• Docsis 3.0 certified, capable of up to 300 mbps and upload speeds up to 120 mbps based on your cable provider service

7. Motorola MB7220-10 8x4 Cable Modem, Model MB7220, 343 Mbps DOCSIS 3.0, Certified

8. Motorola SURFboard SB6182 DOCSIS 3.0 Cable Modem

• Channel bonding of up to 8 downstream and 4 upstream channels, 1 ghz capable tuners, supports ipv4 and ipv6 to expand network addressing capabilities
• Docsis/eurodocsis 3.0-based, backward compatible to docsis 2.0 and 1.x
• Gige (rj-45) data port enables flexible, high-speed connectivity with auto negotiate and auto mdix
• Works the same as sb6180 but faster and more reliable!

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

• 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.
• 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...
• 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.
• 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 ...
• 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.

10. NETGEAR 24x8 Cable Modem, DOCSIS 3.0 | Certified for XFINITY by Comcast, Spectrum

• Compatible with comcast xfinity, time warner cable, charter, cox, cablevision, and more. requires cable internet service
• Support cable internet service plans up to 300mbps. recommended for all speed tiers up to 500 mbps. separate router required for wifi. 24x8 channel bonding
• Docsis 3.0 cable modem with 1 gigabit ethernet port. docsis 3.0 unleashes 8x faster download speeds than docsis 2.0
• Ideal for streaming 4k uhd content, fastest downloads, and high-speed online gaming
• Cable modem only (no wifi router).memory: 8 mb nor flash and 128 mb ram
• Not compatible with: verizon, at&t, or centurylink