10g can refer to different things depending on the context. Here are some possible meanings:

• 10 Gigabit Ethernet: 10 Gigabit Ethernet (10GE, 10GbE, or 10 GigE) is a group of computer networking technologies for transmitting Ethernet frames at a rate of 10 gigabits per second.
• 10G internet: 10G internet is a term used to describe an initiative of cable internet ISPs and organizations to create a cable internet network that supports 10 gigabit per second (10,000Mbps) download speeds and 6 gigabit per second (6,000Mbps) upload speeds. It is not yet available to consumers, but companies like Xfinity are rolling out 10G internet in certain markets.
• 10 grams: 10g can also refer to a unit of mass, specifically 10 grams.