最近关于苹果明年为iPhone换用USB-C接口的消息甚嚣尘上，看起来，一根线走天下的方便指日可待了。 不过，你是否有疑惑，虽然都是USB-C接口，但实际上它可以对应雷电4、雷电3、USB 3.0、USB 4等多种协议，那么这之间到底有何区别呢？ 实际上我们通过官方的一张 ...

In the last 14 years, the Universal Serial Bus (USB) has become the standard interface to connect devices to a computer. Whether it’s an external hard drive, a camera, the mouse, a printer, or a ...

In a USB function – an embedded device with a USB interface – there is a USB peripheral controller chip. As shown in Figure 2, this chip has two key functions: it interfaces to the USB system ...

USB has been around for decades, and the sheer number of USB and Thunderbolt versions in 2025 can be bewildering. Here's what you need to know about USB 3, USB 4, Thunderbolt 3, Thunderbolt 4, and ...

Stop plugging your mouse into a USB 3 port—5 reasons USB 2.0 is secretly better ...

USB-C and Thunderbolt 3 are no longer new technology. But the similarities and differences can still wind up confusing even long-time users of the Mac. Where this tends to manifest itself these days ...

From the laptops on your desk to satellites in space and AI that seems to be everywhere, I cover many topics at PCMag. I've covered PCs and technology products for over 15 years at PCMag and other ...

Early adoption of USB 3.0 began in 2010, and more than 70 million USB 3.0 host chips shipped in 2011. Now, key USB software and systems providers are shipping high volumes of products with USB 3.0.

USB ports and connectors come in a variety of shapes and sizes. While you may be familiar with common types like USB Type-A and USB Type-C, there is also USB Type-B. It was introduced back in 1996 ...