Why Should I buy own modem ?

In US most of the time you will be paying a rent of a cable modem from your ISP.

For example,
Comcast & Time Warner Cable TWC Router modem rent is in between $8 ~ $10 per month.

So in long run (Just one year of time-frame) if you buy a $90 cable modem then you will get ROI [Return On Investment] within a year.

Note : However some ISP’s like Charter integrate the modem rental fee into their prices, so you won’t save any money even-if you buy your own cable modem !!

There are so many cable modem models from Arris Motorola, then which cable modem is best for my home & office ?

All the websites telling high end technical funds are not useful to most of the people who only wants to select a simple cable modem for their home or office. Even I have over 25 years of R&D Expertise I feel unfair to bombard with my knowledge to you 😛

So I have sent some time to prepare simple feature and specs chart , including my easy to understand conversion of technical specifications for you. I am sure you need not refer to any other website after looking at this (No harm, but doing it will only confuse you a tonne !)

** TIP  ** One most important thing is the pricing strategy ! Even higher end specification modem you may get for cheaper price due to dynamic pricing strategy, hence don’t get astonished if you see Arris Surfboard SB6141 at much lower price than Arris Surfboard SB6121 !

Arris Motorola Surfboard SB6121 Vs SB6141 Vs SB6183 Vs SB6190 Cable Modem Feature & Specs Comparison Chart

Notes :

• All the above Arris Motorola cable modems are Compatible with major U.S. Cable Providers
• As per my understanding Arris Motorola cable modems are compatible with Comcast/Xfinity, Cox, Charter, Time Warner, Mediacom and Bright House, However they don’t work with Verizon FiOS or AT&T U-verse
  
  [Time Warner Cable TWC Approved Router Modems – Arris Surfboard SB6121, SB6141, SB6183, SB6190]
  See list of Time Warner Cable TWC Approved Router Modems here …How to check Xfinity compatible routers?
  Goto Guide in this link of official Xfinity Website to check xfinity compatible routerswhich devices are approved by Comcast? Visit here to get details
• Users are advised to check with their internet service provider for compatibility before buying any make modem for home or office internet use.

Only as bonus information I have added the most needed information on Arris Motorola cable modem front panel indicators, just print it out and display

I hope this simple still full of information article will help you selecting Arris Motorola Surfboard cable modem router for Time Warner and Comcast.

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Cheers !!