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USB 3.2 Specification Published and Announced
A while ago there was already word out on the street that the USB Focus group would be announcing a new draft for upcoming USB 3.2, that has now been finalized and published. To keep things really simple, we're doubling thing up once again.
Where USB 3.0 aka 3.1 Gen1 was capable of 5 Gbps connectivity, USB 3.1 Gen2 did 10 Gbps. USB 3.2 will double that up-towards 20 Gbps. Divide it by 8 bits and that would be 2500 MB/sec from which you need to deduct encoding and errors. There is a distinction though as it is based up-on two-lane operation as tweakers.net spotted today.
Key characteristics of the USB 3.2 solution include:
- Two-lane operation using existing USB Type-C cables
- Continued use of existing SuperSpeed USB physical layer data rates and encoding techniques
- Minor update to hub specification to address increased performance and assure seamless transitions between single and two-lane operation
So basically using two 10 Gbit/s lanes you get towards a throughput of 20 Gbps. Obviously you will need a host and client connection that is compatible with the new standard. Current USB type C cabled would be compatible if they have been certified for 10 Gbps SuperSpeed USB. If you like to do some reading, there is a 548 page document available on the new 3.2 Spec, download here.
| USB version | Speed | Encoding | Connectors |
|---|---|---|---|
| USB 2.0 (incl usb 1.0 and 1.1) | up to 480 Mbps | 8 / 10bit | Type a, b (mini, micro), c |
| USB 3.1 Gen 1 (SuperSpeed Usb) | up to 5 Gbps | 8 / 10bit | Type a, b (mini, micro), c |
| USB 3.1 Gen 2 (SuperSpeed usb Gbps) | up to 10 Gbps | 128 / 130bit | Type a, b (micro), c |
| USB 3.2 (SuperSpeed usb 20 Gbps) |
up to 2 lanes 5 Gbps |
128 / 130bit | Type a, b (micro), c |
Emille
Senior Member
Posts: 785
Joined: 2014-09-22
Senior Member
Posts: 785
Joined: 2014-09-22
#5476307 Posted on: 09/27/2017 07:34 PM
Usb specs are becoming insane.
I only recently learned there was gen 1 and gen 2 3.1.
Why can't they just make a motherboard with 6x 3.2 slots and 6x 3.2 type c slots....or is type c going to become one of those jokes where is was one of those standards no one adopted.
Most motherboards I have seen have 1x type c slot....why even bother.
Usb specs are becoming insane.
I only recently learned there was gen 1 and gen 2 3.1.
Why can't they just make a motherboard with 6x 3.2 slots and 6x 3.2 type c slots....or is type c going to become one of those jokes where is was one of those standards no one adopted.
Most motherboards I have seen have 1x type c slot....why even bother.
lucidus
Senior Member
Posts: 11856
Joined: 2011-12-31
Senior Member
Posts: 11856
Joined: 2011-12-31
#5476311 Posted on: 09/27/2017 07:42 PM
Usb specs are becoming insane.
I only recently learned there was gen 1 and gen 2 3.1.
Why can't they just make a motherboard with 6x 3.2 slots and 6x 3.2 type c slots....or is type c going to become one of those jokes where is was one of those standards no one adopted.
Most motherboards I have seen have 1x type c slot....why even bother.
That lonely USB-C port is enough for Apple's Earpods lol.
Usb specs are becoming insane.
I only recently learned there was gen 1 and gen 2 3.1.
Why can't they just make a motherboard with 6x 3.2 slots and 6x 3.2 type c slots....or is type c going to become one of those jokes where is was one of those standards no one adopted.
Most motherboards I have seen have 1x type c slot....why even bother.
That lonely USB-C port is enough for Apple's Earpods lol.
MainFrame Alpha
Senior Member
Posts: 138
Joined: 2016-05-17
Senior Member
Posts: 138
Joined: 2016-05-17
#5476317 Posted on: 09/27/2017 07:51 PM
this is what technology dose, it moves forward, stop nagging and and be thankful for backward compatibility.
this is what technology dose, it moves forward, stop nagging and and be thankful for backward compatibility.
BlueRay
Senior Member
Posts: 269
Joined: 2015-11-18
Senior Member
Posts: 269
Joined: 2015-11-18
#5476319 Posted on: 09/27/2017 07:56 PM
Seems like USB doesn't feel "Universal" anymore. It's a huge fragmented mess. Different protocols and different connectors at the same time.
They have to settle down and let people adopt it. USB-C should've been the new standard connector it's been a while now since it was released but still no more than 1 Type-C connector on new motherboards. No front panel C towers either. This doesn't help adoption. It's a mess.
Seems like USB doesn't feel "Universal" anymore. It's a huge fragmented mess. Different protocols and different connectors at the same time.
They have to settle down and let people adopt it. USB-C should've been the new standard connector it's been a while now since it was released but still no more than 1 Type-C connector on new motherboards. No front panel C towers either. This doesn't help adoption. It's a mess.
Emille
Senior Member
Posts: 785
Joined: 2014-09-22
Senior Member
Posts: 785
Joined: 2014-09-22
#5476322 Posted on: 09/27/2017 07:59 PM
How is having not implemented new specs moving forward....
Motherboards still have pointless 2.0 slots, usb 3.0 only, a few gen 1 3.1 slots and a single type c connector.
That would be like calling the current existence of 16k displays 'moving forward' when no one even has access to them, let alone could afford them.
It will move forward when the legacy garbage doesn't comprise 80% of all usb slots on a motherboard.
this is what technology dose, it moves forward, stop nagging and and be thankful for backward compatibility.
How is having not implemented new specs moving forward....
Motherboards still have pointless 2.0 slots, usb 3.0 only, a few gen 1 3.1 slots and a single type c connector.
That would be like calling the current existence of 16k displays 'moving forward' when no one even has access to them, let alone could afford them.
It will move forward when the legacy garbage doesn't comprise 80% of all usb slots on a motherboard.
fry178
Senior Member
Posts: 1143
Joined: 2012-04-30
Senior Member
Posts: 1143
Joined: 2012-04-30
#5476324 Posted on: 09/27/2017 08:01 PM
@yeeeman
Lol. Cause they forced you at gun point to buy it, right?
Usb 3.0 is enough for most, including me even with a ssd as external backup.
@yeeeman
Lol. Cause they forced you at gun point to buy it, right?
Usb 3.0 is enough for most, including me even with a ssd as external backup.
Raider0001
Senior Member
Posts: 408
Joined: 2006-11-25
Senior Member
Posts: 408
Joined: 2006-11-25
#5476326 Posted on: 09/27/2017 08:05 PM
USB 3.2 ? Intel is like: Z470 Chipset coming UP!
USB 3.2 ? Intel is like: Z470 Chipset coming UP!
DLD
Senior Member
Posts: 822
Joined: 2002-09-14
Senior Member
Posts: 822
Joined: 2002-09-14
#5476331 Posted on: 09/27/2017 08:32 PM
Think I'll wait for 3.3.10059. That revision will be found on the Intel chipset Z470.9 based mobos... Though I can BARELY wait, that's how impressed I am with the advancement of USB specs....
Think I'll wait for 3.3.10059. That revision will be found on the Intel chipset Z470.9 based mobos... Though I can BARELY wait, that's how impressed I am with the advancement of USB specs....
RzrTrek
Senior Member
Posts: 2285
Joined: 2012-04-16
Senior Member
Posts: 2285
Joined: 2012-04-16
#5476334 Posted on: 09/27/2017 08:34 PM
I've got a USB3.1 and USB-C connection, none of which is being used and I honestly don't see any reason to jump on the USB-C hype train.
I've got a USB3.1 and USB-C connection, none of which is being used and I honestly don't see any reason to jump on the USB-C hype train.
Kaarme
Senior Member
Posts: 1622
Joined: 2013-03-10
Senior Member
Posts: 1622
Joined: 2013-03-10
#5476335 Posted on: 09/27/2017 08:38 PM
USB3 was much needed as USB2 was too slow for external HDs and was also holding back flash drives. After that I didn't really care anymore, but I have to say the Type-C connector is quite nice for a phone as there's no need to check the orientation.
USB3 was much needed as USB2 was too slow for external HDs and was also holding back flash drives. After that I didn't really care anymore, but I have to say the Type-C connector is quite nice for a phone as there's no need to check the orientation.
DLD
Senior Member
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Joined: 2002-09-14
Senior Member
Posts: 822
Joined: 2002-09-14
#5476340 Posted on: 09/27/2017 08:49 PM
But, of course - we are saved from extinction now that we do not have to
But, of course - we are saved from extinction now that we do not have to
worry about
"orientation". Because, lo and behold, disorientation of such magnitude could have lead us to unimaginable disasters, compared to (but not limited to) Irma, El Niño and alike...
Ouch! Something is missing here, in the new specs: whatever happened to RGB decoration?! I want every pin to be equipped with LED of a different color! 
Emille
Senior Member
Posts: 785
Joined: 2014-09-22
Senior Member
Posts: 785
Joined: 2014-09-22
#5476341 Posted on: 09/27/2017 08:55 PM
But, of course - we are saved from extinction now that we do not have to
I didn't even know sarcasm of this magnitude was even possible.
But, of course - we are saved from extinction now that we do not have to
worry about
"orientation". Because, lo and behold, disorientation of such magnitude could have lead us to unimaginable disasters, compared to (but not limited to) Irma, El Niño and alike...
Ouch! Something is missing here, in the new specs: whatever happened to RGB decoration?! I want every pin to be equipped with LED of a different color!
I didn't even know sarcasm of this magnitude was even possible.
Agent-A01
Senior Member
Posts: 11360
Joined: 2010-12-27
Senior Member
Posts: 11360
Joined: 2010-12-27
#5476343 Posted on: 09/27/2017 08:59 PM
Lots of typo errors in this article.
Thought you might want to know.
Lots of typo errors in this article.
Thought you might want to know.
SilAntoine
Junior Member
Posts: 6
Joined: 2014-12-27
Junior Member
Posts: 6
Joined: 2014-12-27
#5476362 Posted on: 09/27/2017 09:36 PM
Meanwhile PS/2 ports are still alive and well!
Meanwhile PS/2 ports are still alive and well!
Click here to post a comment for this news story on the message forum.
Member
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Joined: 2015-02-25
This is getting annoying already. I hate what industry does nowadays by moving at such a fast pace that even consumers cannot keep up.
Why they don't just release USB 4.0 with 1Tbps, with 1KW of power and call it a day for the next 10 years? They like to create one million revisions and release them once a week, like somebody would care.
I know that shareholders are crazy for more money and that new stuff drives the market and the sales in general, but come on! Take a vacation, enjoy some wine and live the life. Computers from 5 years ago are still very much ok and USB 3.0 is still plenty enough for pretty much everything you could possibly need.