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USB Type-C Cables to come with Power Rating Logos Now

The USB Type-C interface has had a revision with the new standard of USC Type-C 2.1. The official specifications have been published with the biggest change being made to USB’s ability to deliver power to devices. From the previous 100 Watts of power that USB Type-C 2.0 Power Delivery pushes, the new specification delivers 240 Watts of Power through the port.

USB-IF (Implementers Forum) Chairman Brad Saunders explains why this revision was necessary. His statement follows: “One hundred watts has served a lot of purposes, but there are markets that could benefit from more power — things like gaming notebooks or maybe a docking station that can distribute more power to the things connected to it”.

This change is a huge advancement for future devices, as carrying chunky power adapters will be a thing of the past. Manufacturers can keep the profile of the machines low by ditching the proprietary barrel adapters in favor of the thin and sleek port.

Consumer electronic devices such as TVs, Desktops and Entertainment systems that once required power adapters will soon transition over to the new standard. The day is near where these devices can be made ultra-thin yet very powerful. This is the vision that technology giants have and actively pursue when developing and manufacturing updated consumer electronics, and it will become a reality very soon.

Devices such as docks can also benefit from this new standard by being able to distribute a greater amount of power to connected devices which was once a problem with high powered devices creating power bottle necks and choking.

The takeover of USB generation 4 power delivery will give rise to future upgrades to the standard allowing for even higher power delivery through the cable and interface leading to home appliances and industry leading machinery utilizing it. This standard will quite literally be connecting the world with one adopted standard for all purposes.

This advancement is achieved thanks to a new type of cable called the EPR (Extended Power Range). This cable is rated at a higher voltage than other USB Type-C Power Delivery cables, providing 48 Volts to push 240 Watts of Power at the same 5 Amps of current. Introducing this new cable type has defined USB Type-C cables into two categories:

  1.  EPR (Extended Power Range) cables
  2. SPR (Standard Power Range) cables.

The old 100 Watt cables which delivered power at 5 Amps will be categorized as an EPR cable while the standard 60 Watt cable which delivers power only at 3 Amps will be placed into the SPR category. The EPR cables and the new standard will be made backwards compatible with the old interfaces thus maintaining compatibility with all generations of devices.

USB Gen 4 Labels

Devices, cables, and adapters which have adopted the new standard will be marked and labelled with the identifiers shown above so that they are easily differentiable from their previous generation counterparts.

The new standard will roll out to new revisions of devices being manufactured in the last quarter of 2021 around December and into January 2022 with the goal of mainstreaming the standard by the end of the first quarter of 2022.

Source: Businesswire, usb.org

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Rohan Johri

I am a technology journalist who researches in multiple computer technologies and evaluates its real-world applications through implementation in consumer and industry leading products.

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