Comcast Tests DOCS 4.0 Modem Exceeding 4 Gbps

Comcast has successfully tested a prototype 10G modem that delivered upload and downloads exceeding 4 Gbps, it said Thursday. It said the lab test used a DOCSIS 4.0 SoC cable modem built by Broadcom. It said modem speeds "are expected to increase significantly" beyond 4 Gbps as the 10G architecture gets refined.