Cable Modem Buying Guide: Best Selling and Highest Rated

As broadband internet connectivity becomes more mainstream, cable internet has become a leading standard. With the rental fees many cable internet service providers charge for a cable modem, it is usually more cost effective for users to purchase their own modems directly.

We took an in-depth look at the cable modems available on the market today and compared them by popularity and sales rankings. Based on our research, we put together this easy to use buying guide. Be sure to check which modems are compatible with your system and your internet service before you buy.

And now, our cable modem break down based on customer ratings and popularity.

Highest Rated Cable Modems on Amazon

Amazon cable modem reviews and ratingsAmazon customers rated a Zoom modem higher than any other models. A model by Netgear and two Arris cable modems follow. Another Zoom cable modem is next, followed by two more Arris/Motorola cable modems. Rounding out the top ten highest rated cable modems on Amazon are another Zoom unit, a modem by D-Link, yet another Arris model, and a uBee modem.

Rating Model
4.7 Zoom DOCSIS 3.0 Cable Modem 5341-02-03H
4.6 NETGEAR DOCSIS 3.0 Cable Modem CM500-100NAS
4.6 ARRIS / Motorola SurfBoard SB6141 DOCSIS 3.0 Cable Modem
4.5 ARRIS / Motorola SurfBoard SB6183 DOCSIS 3.0 Cable Modem
4.5 Zoom 5341 DOCSIS 3.0 Cable Modem 5341J
4.5 ARRIS / Motorola SurfBoard SB6121 DOCSIS 3.0 Cable Modem
4.5 ARRIS Touchstone Cable Modem CM820 DOCSIS 3.0 8×4
4.5 Zoom Telephonics AC1900 Cable Modem/Router (5363)
4.5 D-Link DCM-301 cable modem Docsis 3.0
4.5 Arris Tm722g Cable Modem Docsis 3.0
4.5 uBee (formerly Ambit) U10C018 DOCSIS 2.0 Cable Modem

Best-selling Cable Modems on Amazon

Bestselling cable modems at AmazonAmazon customers clearly favor Arris / Motorola cable modems over any other manufacturer. Analyzing Amazon sales data,  the top four best selling units are Arris models, followed by three Netgear cable modems.  The remainder of the top ten best-selling units on Amazon includes models by Linksys, Arris and Zoom.

Rank Model
1 ARRIS / Motorola SurfBoard SB6121 DOCSIS 3.0 Cable Modem
2 ARRIS / Motorola SurfBoard SB6141 DOCSIS 3.0 Cable Modem
3 ARRIS / Motorola SurfBoard SB6183 DOCSIS 3.0 Cable Modem
4 ARRIS / Motorola SURFboard SBG6580 DOCSIS 3.0 Cable Modem/ Wi-Fi N Router
5 NETGEAR DOCSIS 3.0 High Speed Cable Modem (CM500-100NAS)
6 NETGEAR N300 Wi-Fi DOCSIS 3.0 Cable Modem Router (C3000)
7 NETGEAR N600 Wi-Fi DOCSIS 3.0 Cable Modem Router (C3700)
8 Linksys Advanced DOCSIS 3.0 Cable Modem (DPC3008-CC)
9 ARRIS / Motorola Surfboard SBG6782-AC 3.0 Cable Modem and Wi-Fi Router
10 Zoom 5341 DOCSIS 3.0 Cable Modem 5341J

Highest Rated Cable Modems at Best Buy

Best buy cable modem ratings and reviewsBest Buy customers gave the highest ratings to three cable modems by Motorola / Arris. The next highest rated model at Best Buy is a Zoom modem. Five Netgear models are next highest rated by customers at Best Buy, and the top ten highest rated cable modem list at Best Buy is rounded out by another Motorola unit.

Rating Model
4.8 Motorola – Arris SURFboard 600 Series DOCSIS 3.0 Cable Modem Model: SB6183
4.7 Motorola – SURFboard DOCSIS 3.0 High-Speed Cable Modem Model: SB6141
4.6 Motorola – SURFboard DOCSIS 3.0 High-Speed Cable Modem Model: SB6121
4.6 Zoom – DOCSIS 3.0 High-Speed Cable Modem Model: 5341J
4.6 NETGEAR – AC1750 Dual-Band Wireless-AC Router with DOCSIS 3.0 Cable Modem Model: C6300-100NAS
4.6 NETGEAR – N450 WiFi Cable Modem Router Model: N450
4.4 NETGEAR – N600 Dual-Band Wireless-N Router with Built-in Cable Modem Model: C3700-100NAS
4.4 NETGEAR – N300 Wireless-N Router with DOCSIS 3.0 Cable Modem Model: C3000-100NAS
4.3 NETGEAR – Cable Modem Model: CMD31T
4.2 Motorola – SURFboard eXtreme DOCSIS 3.0 Wireless-N Cable Modem and Gigabit Router Model: SBG6580

Bestselling Cable Modems at Best Buy

Top selling cable modems at BestbuyThe best selling cable modems chart at Best Buy closely aligns with their customer ratings. The three best selling cable modems are Motorola units. Two Netgear cable modems are next up, after which is another Motorola model. The top ten list is rounded out with two more of the Netgear models, and two cable modems by Zoom.

Rank Model
1 Motorola – SURFboard DOCSIS 3.0 High-Speed Cable Modem Model: SB6141
2 Motorola – SURFboard eXtreme DOCSIS 3.0 Wireless-N Cable Modem and Gigabit Router Model: SBG6580
3 Motorola – SURFboard DOCSIS 3.0 High-Speed Cable Modem Model: SB6121
4 NETGEAR – N300 Wireless-N Router with DOCSIS 3.0 Cable Modem Model: C3000-100NAS
5 NETGEAR – N600 Dual-Band Wireless-N Router with Built-in Cable Modem Model: C3700-100NAS
6 Motorola – Arris SURFboard 600 Series DOCSIS 3.0 Cable Modem Model: SB6183
7 NETGEAR – Ethernet DOCSIS 3.0 High-Speed Cable Modem Model: CM400-100NAS
8 NETGEAR – AC1750 Dual-Band Wireless-AC Router with DOCSIS 3.0 Cable Modem Model: C6300-100NAS
9 Zoom – DOCSIS 3.0 High-Speed Cable Modem Model: 5341J
10 Zoom – N300 Wireless Router with DOCSIS 3.0 Cable Modem Model: 5354

Highest Rated Cable Modems at Wal-Mart

Wal-Mart cable modem ratings and reviewsWalmart customers gave the highest ratings to cable modems from Zoom and Netgear. Three Arris / Motorola units follow closely behind according to the ratings given by shoppers at Wal-mart. The top rated cable modems list at Wal-Mart is finished off with modems from Zoom and Netgear.

Rating Model
4.7 Zoom 5341J – Cable modem – Gigabit Ethernet – 343 Mbps
4.7 NETGEAR AC1750 WiFi DOCSIS 3.0 Cable Modem
4.6 ARRIS/Motorola SB6121 SURFboard DOCSIS 3.0 Cable Modem
4.4 ARRIS/Motorola SB6141 SURFboard DOCSIS 3.0 Cable Modem
4.3 ARRIS/Motorola SBG6580 SURFboard DOCSIS 3.0 Cable Modem and WiFi-N Router
4.3 Zoom 343Mbps DOCSIS 3 Wireless N Cable Modem/Router
4 NETGEAR DOCSIS 3.0 High-Speed Cable Modem

Best-selling Cable Modems at Walmart

Top selling cable modems at walmartThe most popular units based on sales data from Walmart doesn’t match up exactly with the highest rated list, but there are many parallels. The three best selling cable modems at Wal-mart are Arris units. The next two are Zoom modems. The final two cable modems on the bestsellers list at Walmart are models by D-Link and Netgear.

Rank Model
1 ARRIS/Motorola SB6121 SURFboard DOCSIS 3.0 Cable Modem
2 ARRIS/Motorola SBG6580 SURFboard DOCSIS 3.0 Cable Modem and WiFi-N Router
3 ARRIS/Motorola SB6141 SURFboard DOCSIS 3.0 Cable Modem
4 Zoom 343Mbps DOCSIS 3.0 Cable Modem Model 5341J
5 Zoom Cable Modem/Router with High-Performance Wireless 802.11ac
6 D-Link DOCSIS 3.0 Cable Modem
7 Netgear CM400-100NAS High Speed Cable Modem Docsis Cabl 3

Conclusion

Across the multiple channels, the clear standout manufacturer is Arris (Motorola). They have more models in both the highest rated and best selling lists than any other. Netgear and Zoom are also very popular choices. Be sure to check with your cable internet service provider to ensure you purchase a modem that is compatible with them.  Whichever modem you choose, you should likely save a significant amount of money on modem rental fees over the course of a few years.