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A USB (Universal Serial Bus) is a standard connection interface that enables communication between devices and a host controller such as a personal computer. It is most commonly used to connect peripherals such as mice, keyboards, printers, scanners, cameras, and flash drives to a computer. USB Type C made headlines in tech periodicals worldwide when a variant of Apple’s 12-inch Macbook was launched. It was the first notebook to incorporate Type-C in its design. You will likely find USB Mini in portable cameras, game controllers, and some old mobile phones. They typically have 5 pin configurations and are smaller than regular USB types, hence the name ‘mini’. However, they have largely been replaced by the smaller Micro-USB and USB-C connectors. 5 – USB Micro (Micro USB A, Micro USB B, And Micro USB B Superspeed) USB cables can be classified into USB Type A, USB Type B, USB Type C, USB Micro, USB Mini, and Lightning based on their physical design. Furthermore, USB connectors are divided into various versions based on their speeds, like USB 1.0, USB 2.0, USB 3.0, and USB 4.0. USB cables come in different shapes and designs. Therefore, based on their physical structure, they are classified as follows:
Here’s a table that lists major differences in speeds and performance of some USB versions. Key differences between some USB versions. USB 1.0 USB 3.2 Gen 2×2 is quite popular nowadays and offers a top speed of 20 Gbps using 2-lane operation (hence the name 2×2). This version is only compatible with USB Type C design. Since it offers considerably faster data transfer and charging speeds, most modern smartphones and even some laptops support this USB version. USB 4.0 USB Type C is arguably the most popular USB connector. It is also the most recent as it was introduced in 2014. Due to its small size, it easily fits into the smallest peripherals we use today, like smartphones, Bluetooth speakers, etc. It is a standard for connecting and charging devices, known for its compact size and functionality. Popularly known as Micro USB, this is a very common USB connector you will find in many smartphones these days. They were designed for use with smaller devices, such as smartphones, digital cameras, and other portable devices. The micro USB connector is made to be more durable and stand up to the kind of abuse portable electronics can undergo. So, if you are transferring data from your phone to your laptop via a USB cable, you will plug your phone (host) into the laptop’s USB port (receptor).Another cool thing about Type C is that it offers a bi-directional power supply; in other words, you can charge your smartphone from your laptop and vice versa. USB 4 and Type C connectors look almost identical, so, naturally, many users confuse the two and interchange the terms “Type C” and “USB 4”. Note that USB Type C refers to the physical design of USB connectors. In contrast, USB 4 denotes the USB version. USB 4 has nothing to do with the shape of the connector; it just indicates the performance and speed of the USB version. However, further updates were released over the next couple of years, which triggered the renaming of USB 3.0 (i.e., the latest USB version of that time) to USB 3.1 Gen 1.
It is safe to say that almost all electronic devices, including smartphones, laptops, tablets, desktops, Bluetooth speakers, and so on, rely on USB ports and cables for various functions. There are two types of micro USB connectors: Micro-A and Micro-B. Both have a similar width and approximately half the height of their mini USB counterparts. USB Mini are further divided into two variants: USB Mini A (or Mini USB A) and USB Mini B. These are smaller counterparts of Type A and Type B USB connectors. They are designed for their compact size, which makes them handy for smaller devices. USB Mini A and USB Mini B connectors. (Photo Credit: Wikimedia Commons) As such, you will most find these connectors on external hard drives, where vast amounts of data transfer occur regularly. 6 – Lightning Cable (For Apple Devices)As you can imagine, the design of the lightning connector makes it impossible to be used in any other device other than Apple devices, which makes it a nuisance for many users. It is also reversible, i.e., it can be plugged in either way without worrying about which is the right side up. There are different versions of USB based on how fast they transfer and receive data between two electronic devices. The main types of USB are as follows: So, USB 3.0 and USB 3.1 Gen 1 are essentially the same and have a top data transfer speed of 5 Gbps. Then, in July 2013, USB 3.1 Gen 2 was released, with its top data transfer speed at 10 Gbps. USB 3.0 was launched in September 2007 and could handle a top speed of 5 Gbps. This was the third major update to USB standards (the previous updates were versions USB 1.0 and USB 2.0).
It’s also capable of carrying a lot of power, so it can be used to charge larger devices like laptops, in addition to smaller devices like smartphones and tablets.But like any technology, USB or “Universal Serial Bus” (it’s quite a mouthful, isn’t it) has evolved a lot since its inception in 1995. As such, it is sometimes difficult and even overwhelming to understand and distinguish between terms like USB 3.0 vs. USB Type B. In this example, what does “Type B” mean exactly? How about “3.0”? What does that mean? Then, in September 2017, USB 3.2 was released. There are four versions of USB 3.2: Gen 1×1, Gen 1×2, Gen 2×1, and Gen 2×2. If your laptop or desktop computer has a USB port (where you can plug in USB devices), it will most likely be a USB Type-A port. Note that most modern Apple laptops (Macs) don’t have USB Type-A ports. 2 – USB Type B
USB 2.0 was launched in 2000 and significantly upgraded the maximum data transfer speed to 480 Mbps. In addition to that, it also enabled USB to have a better (and more efficient) current capability to provide charging to electronic devices like smartphones. USB 3.0
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