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what is USB Type-C?
What Is a Type-C Connector?
Type-C simply refers to the shape and size of the connector. It is the newest USB and is much smaller and shorter than the traditional Type-A connector that most people still use.USB Type-C was introduced in 2014, but it really began to take off this year. It is now in Apple laptops, Google’s Pixel C tablet and Pixel phones, HTC and LG smartphones, and a handful of laptops from Dell and HP.
Why Could It Beat Out Type-A?
The problem with Type-A connectors is that they are too big and cumbersome for many new devices, especially smartphones. Type-C attempts to resolve that.
What Are the Benefits of Type-C?
Type-C plugs can do the work of any other USB connector, but they are small enough to fit into phones as well as computers. They’re about the same size as Micro-B and just half of the height of Type-A ports.That means electronics makers won't need to use the Micro, Mini, and other types of USB ports anymore. Ultimately, you should be able to pack fewer cables into your travel bag, leaving more room for snacks and cheap paperbacks.Here's another benefit: USB Type-C plugs are reversible—there's no upside down, so they'll work no matter how you plug them in.
Do All Type-C Devices Work the Same?
No. There's a lot of variety in how fast data can be transferred through a USB Type-C cable and how long it takes to charge your device.Type-C connectors will work with devices that support USB 2.0, USB 3.0, and USB 3.1, which are standards that control the speed at which data is transferred. The higher the number, the better the performance. With USB 3.0, the maximum rate you can transfer data is 5 gigabits per second. The newest standard, USB 3.1, has a data rate up to twice as high, 10 gbps.Keep in mind that the slowest device controls the speed at which data moves. So if you're plugging your new laptop into a hard drive that follows USB 2.0, the max rate is just 480 megabits per second.Now, the truth is your files won’t move from one device to another quite as fast as the spec would suggest. So it’s best to consider these as relative numbers—USB 3.1 is up to twice as fast as USB 3.0, and up to 20 times as fast as USB 2.0.
What About Charging With Type-C?
Like data, the amount of power that can flow through a Type-C connector depends on the device you're charging.The maximum is 100 watts—which is more than enough to charge most laptops. Other USB Type-C chargers may deliver less power, such as 45 or 60 watts. The power can flow in either direction, and data can flow right alongside it.Some USB ports and cables also support "alternate modes" that allow them to transmit data in other forms in addition to USB. That includes video and audio, which is why you can connect a DisplayPort monitor to the MacBook's Type-C port.And USB Type-C ports will soon be able to support a variation on the HDMI signals used to carry hi-def video. It’s called HDMI Alternate Mode (Alt Mode), and new devices that support it should be appearing next year.
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