July 3, 2022

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Usb-c: Defined | How to Maximise It (and Why It Continues Improving)?



USB-C: With the oblong USB-C connector now familiar to coworkers, relatives, and strangers on airlines, it’s time to explore this intriguing standard’s potential.

The USB-C plug is currently standard on most new laptops, phones, and tablets. So are MacBooks, iPads, and Chromebooks.

That is, the older rectangular USB Type-A plug is slowly becoming extinct.

Some areas evolve faster than others. The new Mac Studio desktop, for example, includes six USB-C connectors, four of which are Thunderbolt 4 ports.

Apple iPhones, on the other hand, cling to the company’s exclusive Lightning connector.


USB Type-C, often known as USB-C, is rapidly becoming the standard connector for data and power transfer between computers.

  • Its symmetrical shape allows it to be inserted in any direction, up or down, alleviating many of the previous USB port’s problems.
  • I’m sold on that alone. But USB-C is improving data transfer rates and power delivery to devices.
  • Undeniably, powerful new technologies like Thunderbolt and USB Power Delivery are changing the way we think about our devices and operate in the office, on the road, and at home.
  • But there’s a dark side. The problem is that USB-C is based on the Universal Serial Bus specification, which is a muddle.

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Less technical people may be confused by today’s four primary USB protocols, which create an alphabet soup of standards. Here are the details:

The Most Widely Used Usb Spec Now Is USB 3.2 Gen 1

In addition to the Type-A rectangular plug, it also supports the oblon

  • The next speed boost comes in two flavors: double data lanes that follow the old speed restriction (USB 3.2 Gen 1×2) or a single lane that doubles the speed (USB 3.2 Gen 2×1). In either case, the peak throughput is 10Gbps.
  • The USB 3.2 Gen 2×2 protocol uses two lanes of double-speed data transfer to reach 20Gbps.
  • Confusion reigns when it comes to USB 3.2 single-lane protocols, which are effectively renamed USB 3.1 technologies. USB 3.1 Gen 1 and Gen 2 are the same as USB 3.2 Gen 1 and Gen 2×1.
  • The USB Implementers Forum (USB-IF) is the standard’s creator and steward.

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Device producers are advised to adopt “SuperSpeed USB” designations (see table below) to ease consumer marketing. In short, study the specs.


The SanDisk Extreme Pro Portable SSD is one of the first USB 3.2 Gen 2×2 storage devices available.

  • The Extreme Pro, with dimensions of 4.3 x 2.3 x 0.4 inches, can contain up to 4TB of data and secure information using AES.
  • Its performance relies on the system it is connected to. For example, I used the Extreme Pro with my two-year-old HP 590 desktop PC running Windows 10 and it delivered an average of 11.
  • Throughput of 3Gbps on Passmark PerformanceTest Disk Mark Not quite the 20Gbps SanDisk promises, but still amazing. To be honest, my desktop PC’s older PCI-

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Execution in a The 3.1Gbps I obtained from the Extreme Pro with my PC’s native USB 3.1 chip was still a threefold gain.

The 4TB Extreme Pro

Costs $630, but it’s also available in 1GB and 2GB versions for $210 and $300, respectively (prices may vary).

Other possibilities include Samsung’s T7 Portable SSD ($115 for 1TB), PNY Technologies’ 4TB X-Pro Portable SSD ($580 for 4TB), and WD’s Black P50 Game Drive SSD ($140 for 500GB).

Investing in High-quality Cables

  • Can help ensure faster data transfer.
  • The SuperSpeed USB emblem with a 5, 10, or 20 next to it indicates the top speed.
  • The fastest cable will function with slower devices, but it won’t improve their speed.
  • As we’ll see, future USB developments should further streamline cabling.

Power; Speed; and Video!

The USB-C standard also supports Intel’s Thunderbolt 3 data-transfer technology on many contemporary laptops and PCs.

  • A USB-C connector on a computer with Thunderbolt 3 may theoretically transmit data speeds up to 40Gbps.
  • With faster data transfer, the video may be sent over the same connection.
  • With USB-video C’s Alternate Mode (or “Alt Mode”), adapters can output video via HDMI, DisplayPort, VGA, and other video ports on monitors, TVs, and projectors.

Many contemporary phones and tablets, such as the Samsung Galaxy S22 and Tab S8 devices, may be plugged straight into a monitor at home or a projector at work.

Of Course, You’ll Need an Adaptor Cable or a Usb-c Hub to Connect

USB-C also supports the USB Power Delivery (USB PD) standard. A USB 2.0 port can only produce 2.5 watts, barely enough to charge a phone.

Now we’re talking 15 watts. It can deliver up to 100 watts of power, six times that of USB 3.1.

While this opens up the possibility of laptop-powered projectors, it is currently only utilized for high-power chargers and external batteries.

Then Usb4

USB is only beginning. USB4 is the next phase, which boosts speed and power supply (but loses the gap between “USB” and the version number).

  • USB4 can stream video to two 4K screens or one 8K display at up to 40Gbps.
  • Thankfully, USB4 not only supports but also requires the little oblong connector that USB-C introduced.
  • It’ll operate with existing devices, including USB 2.0 ones, but you’ll require an adaptor.
  • USB4 uses parts of the Thunderbolt 4 spec. It can set up two bidirectional 10Gbps or 20Gbps lanes for a 40Gbps peak speed.
  • That should be plenty for videoconferencing, which requires two-way data flow to avoid congestion.
  • Thunderbolt 4 will also be compatible with Thunderbolt 3 devices like docking stations and External Graphics Processing Units (eGPUs).
  • It has a dynamic data flow that adapts to the devices so older devices don’t slow down newer ones.

A Thunderbolt 4 cable is required to make this function, but Thunderbolt 4 cables are compatible with USB 2 (with adaptor) through USB4 systems.

A Data Cable as Close to Ubiquitous as There Is Today

A 2-meter (6.6-foot) cable is more than twice the current USB-C standard of 0.8 meters (31 inches).

Apple is working on a 3-meter (9.8-foot) Thunderbolt 4 cable. The cable costs $159, but the length alone may be worth it.

USB4 will have a huge “20 Gbps” or “40 Gbps” adjacent to an illustration of a cable and connector, while Thunderbolt 4 will have the iconic lightning bolt and the number 4.

This will be powered by a battery draw.

Expect USB4 goods around late 2022 or early 2023.

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