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macrumors bot
Original poster
Apr 12, 2001
58,675
22,287


USB4 Version 2.0 is in the works and when launched, it will allow for double the speeds of the current USB4 specification with existing USB-C cables. It will support up to 80Gb/s operation with both 40Gb/s USB-C passive cables and newly defined 80Gb/s active cables.

appleusbccable.jpg

The updated specification was announced today by the USB Promoter Group, comprising Apple, Microsoft, Intel, HP, STM, and others. USB Type-C and USB Power Delivery specifications will be updated to enable the higher level of data performance, and updates are being made to enable higher performance USB 3.2, DisplayPort, and PCIe data tunneling to better take advantage of the bandwidth improvement.

As outlined in the announcement, the updated USB4 specification will include the following:
  • Up to 80 Gbps operation, based on a new physical layer architecture, using existing 40 Gbps USB Type-C passive cables and newly-defined 80 Gbps USB Type-C active cables.
  • Updates to data and display protocols to better use the increase in available bandwidth.
  • USB data architecture updates now enable USB 3.2 data tunneling to exceed 20 Gbps.
  • Updated to align with the latest versions of the DisplayPort and PCIe specifications.
  • Backward compatibility with USB4 Version 1.0, USB 3.2, USB 2.0 and Thunderbolt 3.
The USB Promoter Group says that the updated specifications are expected to be published ahead of the USB DevDays developer events that are planned for November. The update is targeting developers at this time, with branding and marketing guidelines to be updated at a future date to include USB 80Gb/s for identifying certified products and cables.

Article Link: USB4 Version 2.0 to Offer 80Gb/s Transfer Speeds
 

JustinCymbal

macrumors 6502
Mar 25, 2008
353
2,047
Boston, Massachusetts
That’s incredible

This is definitely going to make a huge difference on future Macs that will have USB 4 Version 2.0 with regards to transferring video files

Apple has definitely staked a huge portion of their future business on the Mac lineup and an improvement as immense as this has massive potential to be a game changer for dominating the computing industry in the years going forward

Definitely am excited to see Apple continuing to innovate and improve upon products that are already unbelievable
 

ph001bi

macrumors 6502a
May 26, 2015
540
1,163
London


USB4 Version 2.0 is in the works and when launched, it will allow for double the speeds of the current USB4 specification with existing USB-C cables. It will support up to 80Gb/s operation with both 40Gb/s USB-C passive cables and newly defined 80Gb/s active cables.

appleusbccable.jpg

The updated specification was announced today by the USB Promoter Group, comprising Apple, Microsoft, Intel, HP, STM, and others. USB Type-C and USB Power Delivery specifications will be updated to enable the higher level of data performance, and updates are being made to enable higher performance USB 3.2, DisplayPort, and PCIe data tunneling to better take advantage of the bandwidth improvement.

As outlined in the announcement, the updated USB4 specification will include the following:
  • Up to 80 Gbps operation, based on a new physical layer architecture, using existing 40 Gbps USB Type-C passive cables and newly-defined 80 Gbps USB Type-C active cables.
  • Updates to data and display protocols to better use the increase in available bandwidth.
  • USB data architecture updates now enable USB 3.2 data tunneling to exceed 20 Gbps.
  • Updated to align with the latest versions of the DisplayPort and PCIe specifications.
  • Backward compatibility with USB4 Version 1.0, USB 3.2, USB 2.0 and Thunderbolt 3.
The USB Promoter Group says that the updated specifications are expected to be published ahead of the USB DevDays developer events that are planned for November. The update is targeting developers at this time, with branding and marketing guidelines to be updated at a future date to include USB 80Gb/s for identifying certified products and cables.

Article Link: USB4 Version 2.0 to Offer 80Gb/s Transfer Speeds
How will we differentiate between passive and active cables? Also, why USB 4 version 2.0, what's wrong with calling it 4.1 or 4.5 if they plan an USB 5 soon afterwards?
 

StralyanPithecus

macrumors 6502
I don't understand why people struggle with naming conventions.

It's not that difficult. Or maybe it's just needing something to complain about for the day?

That said, I'm looking forward to the speed increase using passive cables..
Because is a way for companies that make USB accessories to screw you, like USB4 fastest high speed cable (small lettering "but with speeds of an USB4 version 1").
 

MallardDuck

macrumors 65816
Jul 21, 2014
1,098
1,923
Love the USB-C connector, but trying to figure out what a cable or device actually supports has become a nightmare. 3.1, 3.2, Thunderbolt 3, Thunderbolt 4, power only, power and data, active, passive...once a cable hits the rats nest, how on earth are we supposed to know? Let alone the devices themselves.
 

falkon-engine

macrumors 6502a
Apr 30, 2010
783
2,032
Waiting on an announcement from Intel and Apple on thunderbolt 5. Thunderbolt's minimum feature set tends to be higher than USB's minimum feature set. I wonder if new TB5 controllers are coming to market soon... with support for USB4 v2 and some other goodies as well?
 

citysnaps

macrumors G3
Oct 10, 2011
9,870
20,440
Because is a way for companies that make USB accessories to screw you, like USB4 fastest high speed cable (small lettering "but with speeds of an USB4 version 1").


Yeah, the nefarious "companies" out to screw their customers. For sure that's a sound business plan for customer retention and growth.

Pro tip: Read, and most importantly, understand the specs before you buy a cable. Easy.
 
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