The Xfinity Flex streaming box is an option for customers with only Xfinity internet, and it connects to your TV via HDMI.

Looking for a cable provider? Read our Comcast Xfinity review first. See cost, plans, deals and reviews from Comcast customers.

If you’ve just bought a new 4K TV, you might be wondering if you need to buy a new HDMI cable to go with it. If you already have an HDMI cable, the quick answer is: Probably not.

Selecting the right HDMI cable for your setup used to be a simple thing. Now? Not so much. Here's how and why HDMI standards have changed and what to look for.

Not all HDMI cables are the same! Learn how to choose the right HDMI cable for your TV or monitor based on resolution, refresh rate, and features.