Best Seller Surfboard SB6141 Docsis 3 Cable Modem

Surfboard SB6141 is DOCSIS 3.0 cable modem used to be under Motorola, it is now under Arris umbrella. What does it do?


Motorola is very well known in Cable modem devices, and mostly its cable modem products are rated above 4.0 out of 5 star customer ratings averagely. You can mention Surfboard SB6120 and SB6121 that have been widely used by majority of Cable subscribers and are supported by most Cable operators. Motorola Cable modem products are now under Arris umbrella. With the successful achievement for Surfboard SB6120/6121, how SB6141 perform?

What this product does

It is a native cable modem; it does the same function as the previous version SB6120 – interface device installed in home premises from local Cable operator. You can connect directly to a single computer with NIC adapter or typically it is connected to a wireless router to create home wireless network.

Since it is a native modem, you must connect it to the wireless router for sharing the internet with many computers within the network. Do not connect it to a wireless access point unless you will only connect one computer at a time. Native modem doesn’t have NAT feature for sharing the internet. Motorola cable modem that includes NAT feature is SBG6580. Surfboard SBG6580 includes the NAT feature and is integrated with wireless N router – all-in-one device for your home wifi network.

Main features

  • Native cable modem with DOCSIS 3.0 technology
  • Can be compatible with most major Cable operators such as Comcast/Xfinity, Cox, Charter, Time Warner, Mediacom, Bright House
  • Up to eight channel bonding for downstream (300Mbps) and up to four channel bonding upstream (100Mbps)
  • Gigabit Ethernet port and optional USB port
  • AES encryption
  • IPv4 and IPv6 ready
Arris Surfboard sb6141

With the above features, this modem is ideal for connecting to any types of high performance router, ideal for streaming video, online gaming and voice. You can connect new types of wireless ac1900 such as Netgear R7000 night hawk or Asus RT-AC68U

Now, learn more spec details and see how this SB6141 is rated in Amazon

SB6141 Vs SB6120

Both SB6120 and 6141 are native DOCSIS 3.0 cable modems. The main difference between the two modems is the downstream speed. The downstream speed for SB6120 is up to four channel bonding which is equivalent up to 100Mbps, and upstream speed is the same. On the other hand, Surfboard SB6141 enable downstream speed up to eight channel bonding which is equivalent up to 343Mbps, and the upstream speed is up to four channel bonding (up to 131Mbps). In addition SB6141 is able to provision and manage IP multicast.

You might also need to consider new Surfboard SB6183 which downstream speeds is up to 680Mbps (16 channel bonding) which is twice as fast as the speeds of SB6141.

Note: TP-link has released a new DOCSIS 3.0 cable modem with 8 channel bonding downstream and 4 channel bonding upstream. Compared with SB6141, TP-link is almost having the same features with Gigabit Ethernet port, however TP-link offers cheaper price compared with Surfboard SB6141.

Click here for TP-link TC-7610 Cable modem spec details.

Note: Arris releases a new Surfboard SB6183 which is designed with 16/4 channel bonding delivering speeds of up to 680Mbps downstream.

Surfboard SB6183

The Internet speed delivered by the provider to the customer’s premises sometimes slower than Broadband modem technology installed. Cable modem technology can now provide download speeds exceeding the speeds that can be provided by the cable provider. Surfboard SB6183 can provide download speeds of up to 600Mbps much faster than (almost twice) the speeds of SB6141. The price offered by the SB6183 is less than $ 100 while the price of SB6141 is about $ 75. With the price difference of about $ 25 to get the speeds twice faster than SB6141, it will change your mind to choose SB6183 should you upgrade your aging device.

Surfboard SB6183

Main features

  • DOCSIS 3.0 Cable Lab certified
  • 16x channel bonding downstream and 4x channel bonding upstream
  • Download speeds of up to 600Mbps, upstream up to 100Mbps
  • RF Immunity protecting against service interference
  • Gigabit Ethernet ports
  • Comes with MoCA reject filter

See also comparison between many different DOCSIS 3 cable modems regarding channel bonding capability.

Click here for SB6183 spec and price

Linksys CM3024 DOCSIS 3.0 cable modem

For you that are Linksys users, people usually prefer certain brand name, with your existing Linksys wireless routers you might like to use the same Linksys cable modem. Linksys offers CM3024 high speed cable modem.

Unlike the other two cable modem products, Linksys CM3024 comes with higher downstream channel bonding, higher download internet speed compared with Surfboard SB6141 and SB6183.

Linksys CM3024 DOCSIS 3.0 cable modem


  • DOCSIS 3.0 cable modem with 24x channel bonding downstream and 4x channel bonding upstream
  • High speed up to 960Mbps downstream and up to 240Mbps upload
  • High performance Intel Puma 5 chipset for high performance internet speed
  • Compatible with all major internet providers

With high speed up to 960Mbps you can subscribe to any cable modem providers, Linksys CM3024 is compatible all major cable modem providers available in the market today.

Click here to learn more details Linksys CM3024

For all-in-one mesh wifi system, you may consider mesh wifi system with built-in cable modem – see Netgear Orbi CBK40 mesh wifi system – a mesh wifi router with built-in DOCSIS 3.0 cable modem.

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