Price: $109.99 - $89.99
(as of Mar 27, 2024 00:19:39 UTC – Details)
Product Description
The smart choice for your cable Internet service
Eliminate monthly cable modem rental fees – Typically saves 168 dollars per year in Xfinity cable modem rental fees. Actual savings depend on your service provider.
800+ Mbps – Maximum actual Internet download speed
GigE Ethernet port – For a high-speed wired connection to any router, computer, or other Internet-capable device.
Connect any WiFi router you choose
Plugs easily into any router for shared Internet access by all your WiFi and Ethernet-capable devices. This flexible approach lets you pair this cable modem with any router you choose for your WiFi needs, including a mesh router or gaming router.
If the MB7621’s Ethernet port isn’t used for a router, it can plug into a computer, HDTV, game station, or other Ethernet device.
Compatible with Most Cable Providers
Certified by Comcast Xfinity, Cox, Charter Spectrum, and other cable providers.
* Not compatible with Verizon, AT&T, CenturyLink, and other fiber optic, satellite, or DSL services.
Fast Internet Speed
Connects fast with just 3 connections – power, coax cable, and Ethernet.
Supports internet plans with speeds up to 900 Mbps
For other service providers, supported service speeds are similar to Comcast.
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Customer Reviews
4.3 out of 5 stars
4,311
4.4 out of 5 stars
6,311
4.4 out of 5 stars
28,833
4.4 out of 5 stars
28,833
4.4 out of 5 stars
28,833
Price
$89.99$89.99
$68.15$68.15
$89.99$89.99
$149.99$149.99
$223.15$223.15
Product Type (This table only includes cable modems with NO built-in WiFi router)
8×4 Cable Modem 16×4 Cable Modem 24×8 Cable Modem DOCSIS 3.1 plus 32×8 3.0 Cable Modem DOCSIS 3.1 plus 32×8 3.0 Cable Modem
DOCSIS Channel Bonding
8×4 DOCSIS 3.0 16×4 DOCSIS 3.0 24×8 DOCSIS 3.0 DOCSIS 3.1 plus 32×8 DOCSIS 3.0 DOCSIS 3.1 plus 32×8 DOCSIS 3.0
Certified for These Cable Internet Services. Typically Works with Many Others.
Comcast Xfinity, Cox, Spectrum, Sparklight (CableOne), WOW! Comcast Xfinity, Cox, Spectrum, Suddenlink, Sparklight (CableOne) Comcast Xfinity, Cox, Spectrum, Suddenlink, Sparklight (CableOne) Comcast Xfinity, Cox Comcast Xfinity, Cox
Recommended by Comcast Xfinity for Internet Service This Speed Tier or Below
200 Mbps 300 Mbps 800 Mbps 1000 Mbps 2500 Mbps
Maximum Internet Download Speed (Actual speeds are lower)
343 Mbps 686 Mbps 1000+ Mbps 1000+ Mbps 2500 Mbps
Built-in WiFi Router
No No No No No
Gigabit Ethernet Ports
1 1 1 1 1 (2.5 Gbps)
Works With Any WiFi Router That Has an Ethernet WAN port
✓
✓
✓
✓
✓
Telephone Ports
No No No No No
What Modem/Router Product is Most Similar to This Modem-Only Product?
Yes, MG7315 Yes, MG7540 Yes, MG7700 None, but works with any router that has an Ethernet WAN port Yes, MG8702
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 1 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 wireless router.)
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 fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MB7621 has no phone jack.)
Setup is fast and easy using the quick start guide.
Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A 2-year warranty plus rugged lightning and power surge circuits protect your investment.
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