Comcast has tested 10G networks at download speeds of 4 gbps.
Comcast has installed its first 10G network at download speeds of multiple gbps.
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Comcast tests 10G modem prototype at download speed of 4 gigabits per second

  • Posted byby Dean Takahashi
  • Updated
  • 2 min

Comcast said it successfully tested a prototype 10G modem using the core technology that could deliver multigigabit speeds to tens of millions of homes.

In a lab test, a full duplex DOCSIS 4.0 system-on-chip (SoC) cable modem built by Broadcom delivered upload and download speeds faster than 4 gigabits per second (Gbps) powered by 10G network technology.

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Written by

Dean Takahashi

Dean Takahashi is editorial director for GamesBeat. He has been a tech journalist since 1988, and he has covered games as a beat since 1996. He was lead writer for GamesBeat at VentureBeat from 2008 to April 2025. Prior to that, he wrote for the San Jose Mercury News, the Red Herring, the Wall Street Journal, the Los Angeles Times, and the Dallas Times-Herald. He is the author of two books, "Opening the Xbox" and "The Xbox 360 Uncloaked." He organizes the annual GamesBeat Next, GamesBeat Summit and GamesBeat Insider Series: Hollywood and Games conferences and is a frequent speaker at gaming and tech events. He lives in the San Francisco Bay Area.