USB connections are most common for all types of cables and external devices, but countless versions and connection types can lead to confusion. Even though the more general offerings tend to fall into only one or two categories there are different generations and many types to consider. USB 3.1 is currently one of the most common standards, but what is USB 3.1? How is it different from what came before and after? That is what we are explaining here.
The reliable USB port standard is one of the most commonly used standards on the planet. However, the USB Implementers Forum (an overview that oversees the development of standards formed between companies such as Intel, Microsoft, Apple, and HP) is constantly working on that improvement. USB 3.1 is just one of many advances that have been achieved over the past two decades.
With numbers
USB 3.1 is a generation number indicating the data transfer rate of the USB connector, not its shape or size. The maximum transfer rate of USB 3.1 (confusingly also called USB 3.1 Gen 2) which was officially released in July 2013 is 10 gigabits per second (Gbps). It works fine up to 1,250 megabytes per second (MBps) - pay attention to capitalization. It has a maximum transfer rate of 5 Gbps and superseded the USB 3.0 replaced by the rare USB 3.2 which has the maximum transfer rate of 20 GB / s.
These speeds are all the theoretical maximums of the USB standard and are rarely used on a daily basis, but using a USB 3.1 rated USB 3.1 device improves the transfer speed of files of most sizes I will. only.
USB 3.1 is not supported by all recent devices, but support has gradually expanded over the last few years. A good example of the change between hardware generations is Dell's XPS 13 laptop. 2017 XPS 13 9360 The laptop was shipped with two USB 3.0 ports, but the 2018 and 2019 models replaced them with the USB 3.1 connection of USB-C flavor. I will explain it in detail later.
Another big advantage of USB 3.1 is that it can support features called Power Delivery 2.0. It allows you to supply up to 100 watts of power to devices with compatible ports connected, thereby enabling larger devices such as laptops to be charged with a single USB cable. This is most commonly seen on laptops that utilize the new USB-C standard.
USB-C is not the same as 3.1
It is related to USB 3.1 (and 3.2) in many cases, USB - C is not the same thing. USB type such as A, B, C represents the port and connector shape and form factor, not the data transfer rate. Many modern devices migrate from USB-A, USB-B, and micro-USB ports, which are small, reversible and often USB X, closely related to higher transfer rates. did. That is not necessarily the case, but the fastest USB 3.2 transfer rate is only possible with USB-C.
USB-A is still being offered on some devices for legacy support of old accessories and cables that are still using that standard, but laptops and smartphones are only shipped with USB-C connection It is getting increasingly common.
It does not guarantee that it is USB 3.1, regardless of whether a laptop, tablet, or smartphone has a USB-A, USB-C, or other connection in its steering room. Microsoft Surface Book 2 comes with two USB - A ports and one USB - C port. These are all "USB Gen 1", in fact it's USB 3.0, not 3.1. It is hard to understand, but if you care about the latest standards being applied to new hardware, it shows how important it is to read between lines.
Thunderbolt 3
To make it even more confusing, the USB - C port is also compatible with Thunderbolt 3. Thunderbolt 3 uses the USB - C port and provides a data transfer rate of up to 40 Gbps, that is, 4 times the USB 3.1, or even 2 times. That's the fastest USB 3.2. Although it may be compatible with the USB 3.1 cable, it is not necessarily the case.
Where USB 3.1 is designed for data transfer and charging, Thunderbolt 3 covers a wider range of capabilities. It is a media for billing and data transfer at the same time, it is also a content streaming solution. That developer, Intel, not only charges the device, but also simultaneously sells data and video to the externally connected display. By using the USB - C port, its compatibility has been greatly expanded compared to the previous generation mini - DisplayPort connector.
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