PCI-Express Gen 6.0 Specification to Finalize by 2021

btarunr · Oct 16, 2019

With 64 Gbps bandwidth per lane, 256 Gbps in x4, and a whopping 1 Tbps in x16 (128 GB/s per direction), PCI-Express 6.0 will debut in 2021 as 5G adoption hits critical mass in markets across the globe, to support server nodes, high-bandwidth network infrastructure, and lighting fast I/O for HPC and AI applications. Development of the new standard is already underway, with the specification having achieved a pre-release version 0.3, according to the PCI-SIG, the body that develops and maintains the PCI IP.

Further development, prototyping, and testing of the standard will run through 2020 as drafts of the standard are dispatched to interested parties. With the specification published in 2021, the first devices implementing it could arrive the following year. Granted, very few devices need 1 Tbps bandwidth, but the exercise of doubling bandwidth every 3 or so years has its maximum impact on devices that only have wiring for one PCIe lane, and directly impacts bandwidth of other I/O specifications that are derived from PCIe, such as USB, Thunderbolt, CXL, etc.

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TheLostSwede · Oct 16, 2019

And 2025 until it maybe arrives in anything remotely consumery...

Blueberries · Oct 16, 2019

My generation survived AOL, Dial-Up, and some day we'll be telling stories about HDDs and early SSDs that couldn't transfer files at 100GB/s.

TheLostSwede · Oct 16, 2019

Blueberries said:
My generation survived AOL, Dial-Up, and some day we'll be telling stories about HDDs and early SSDs that couldn't transfer files at 100GB/s.

Dual 5¼" floppy drives, now that's something to tell stories about...

Frick · Oct 16, 2019

TheLostSwede said:
And 2025 until it maybe arrives in anything remotely consumery...

To be fair most consumers don't actually have any means of using it. Yet, anyway.

TheLostSwede · Oct 16, 2019

Frick said:
To be fair most consumers don't actually have any means of using it. Yet, anyway.

Most likely not even by 2025...
But I guess the PCIe SIG doesn't really care about consumer products...

Blueberries · Oct 16, 2019

TheLostSwede said:
Dual 5¼" floppy drives, now that's something to tell stories about...

Kids these days will never know about Museum Madness

TheLostSwede · Oct 16, 2019

Blueberries said:
Kids these days will never know about Museum Madness

Or learn how to spell prophylactics in Leisure Suit Larry...

bug · Oct 16, 2019

TheLostSwede said:
Dual 5¼" floppy drives, now that's something to tell stories about...

That and Sinclair ZX Spectrum :rockout:

And once more, while nobody will need the bandwidth of a x16 PCIe 6.0 slot in the foreseeable future, being able to run a NVMe SSD off just one PCIe lane opens up a whole lot of possibilities. Especially if/when someone figures out how to multiplex several slow devices onto just one lane.

ZoneDymo · Oct 16, 2019

So when will GPU's just be PCI x4?
Seems the bandwith will be more then plenty for now and maybe it can free up some real-estate on a motherboard if its all x4

bug · Oct 16, 2019

ZoneDymo said:
So when will GPU's just be PCI x4?
Seems the bandwith will be more then plenty for now and maybe it can free up some real-estate on a motherboard if its all x4

Eh, this spec is only expected in 2021. So we're like 3 years away from its first incarnation...

OGoc · Oct 16, 2019

Latency on PCIe is around 900ns.... a max of 1,100,000 IOPS for an SSD which is close to some enterprise SSD's today.

PCIe throughput is incredible but there is a reason SLI doesn't work the way it's supposed to... it needs much lower latency than PCIe can offer.

bug · Oct 16, 2019

OGoc said:
Latency on PCIe is around 900ns.... a max of 1,100,000 IOPS for an SSD which is close to some enterprise SSD's today.

PCIe throughput is incredible but there is a reason SLI doesn't work the way it's supposed to... it needs much lower latency than PCIe can offer.

Well, RAM latency has been ~15ns since forever, so it's not that bad. PCIe is basically just one order of magnitude slower which is about where you'd expect it to be.

amit_talkin · Oct 16, 2019

I miss those slow days, You could just sit back and enjoy stuffs. Now a days everything is so fast and taken granted, hard to enjoy anything. Things come and go fast. This applies to life as well.

Deleted member 178884 · Oct 16, 2019

amit_talkin said:
I miss those slow days, You could just sit back and enjoy stuffs. Now a days everything is so fast and taken granted, hard to enjoy anything. Things come and go fast. This applies to life as well.

Except if this applied to tech, nothing would've moved forward, it's about time it takes a move.

owcraftsman · Oct 16, 2019

Great so we will see it released for public consumption sometime in 2024 see ya then cause I'm sure nothing will change between now and then.
For that matter, we won't see 5.0 til 2H 2021if 18 months from finalized spec to production holds true.
I read these things to gage my upgrade cycle which ranges between every 1-1/2 to 2 years.
What this tells me is I need to adjust that to every 3 years if I want to wait till things double.
That doesn't take into account that when released we actually see a doubling at release.
Truth is PCIe 4.0 hasn't double anything and it's hard to get excited about any of it.

eidairaman1 · Oct 16, 2019

First DDR5 then pcie 6, AMD might as well jump at that

Vayra86 · Oct 16, 2019

amit_talkin said:
I miss those slow days, You could just sit back and enjoy stuffs. Now a days everything is so fast and taken granted, hard to enjoy anything. Things come and go fast. This applies to life as well.

Gotta go fast!

About life... that's just us getting old

Xx Tek Tip xX said:
Except if this applied to tech, nothing would've moved forward, it's about time it takes a move.

You say that, but.... we're still learning how to deal with something like 'the internet'.

I do agree tech is going too fast for us in a general sense. I mean, hardware progress perhaps not. But what we do with it... definitely. Look at data/privacy, look at security, look at people addicted to phones. We're fast obtaining powerful tools and what do we do with them... watch cat videos and troll each other,, and bring Orwell's dreams to reality.

DeathtoGnomes · Oct 16, 2019

TheLostSwede said:
Dual 5¼" floppy drives, now that's something to tell stories about...

8 inch.... :shadedshu:

eidairaman1 said:
First DDR5 then pcie 6, AMD might as well jump at that

AM4+ with pci 5 and ddr5 mei-ybe.

TheLostSwede · Oct 16, 2019

DeathtoGnomes said:
8 inch....

Never used though, although I've seen the drives and the disks...
I did use dual 5¼" floppy drives though, one for the programming language to load from and one to save to.

Compis - Wikipedia

en.wikipedia.org

thesmokingman · Oct 16, 2019

TheLostSwede said:
Dual 5¼" floppy drives, now that's something to tell stories about...

I don't miss the days of setting your own IRQs!

johnspack · Oct 17, 2019

5 1/4" floppies, dam I miss those days. I remember using an rll controller and using debug did a low level format on a 40mb mfm drive and getting 60mbs. That was just the cats azz!

TheLostSwede · Oct 17, 2019

thesmokingman said:
I don't miss the days of setting your own IRQs!

Well, at least you didn't have any conflicts...
The early days of plug'n'pray wasn't so great...

BorgOvermind · Oct 17, 2019

thesmokingman said:
I don't miss the days of setting your own IRQs!

set blaster=A220 I5 D1 T4

Unlike the multiple layers of emulation used today, when setting it correctly it actually worked.
And audio was actually of high quality up to XP, not hyper-emulated and turned to junk.

Prima.Vera · Oct 18, 2019

BorgOvermind said:
set blaster=A220 I5 D1 T4

Unlike the multiple layers of emulation used today, when setting it correctly it actually worked.
And audio was actually of high quality up to XP, not hyper-emulated and turned to junk.

I raise you with the

mode con rate=32 delay=1 in autoexec.bat file

A cookie for the ones that know what it does.

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System Name	Overlord Mk MLI
Processor	AMD Ryzen 7 7800X3D
Motherboard	Gigabyte X670E Aorus Master
Cooling	Noctua NH-D15 SE with offsets
Memory	32GB Team T-Create Expert DDR5 6000 MHz @ CL30-34-34-68
Video Card(s)	Gainward GeForce RTX 4080 Phantom GS
Storage	1TB Solidigm P44 Pro, 2 TB Corsair MP600 Pro, 2TB Kingston KC3000
Display(s)	Acer XV272K LVbmiipruzx 4K@160Hz
Case	Fractal Design Torrent Compact
Audio Device(s)	Corsair Virtuoso SE
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Keyboard	Corsair K70 Max
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Mouse	Logitech G602
Keyboard	Dell SK3205
Software	Windows 10 Pro
Benchmark Scores	Rimworld 4K ready!

System Name	Overlord Mk MLI
Processor	AMD Ryzen 7 7800X3D
Motherboard	Gigabyte X670E Aorus Master
Cooling	Noctua NH-D15 SE with offsets
Memory	32GB Team T-Create Expert DDR5 6000 MHz @ CL30-34-34-68
Video Card(s)	Gainward GeForce RTX 4080 Phantom GS
Storage	1TB Solidigm P44 Pro, 2 TB Corsair MP600 Pro, 2TB Kingston KC3000
Display(s)	Acer XV272K LVbmiipruzx 4K@160Hz
Case	Fractal Design Torrent Compact
Audio Device(s)	Corsair Virtuoso SE
Power Supply	be quiet! Pure Power 12 M 850 W
Mouse	Logitech G502 Lightspeed
Keyboard	Corsair K70 Max
Software	Windows 10 Pro
Benchmark Scores	https://valid.x86.fr/yfsd9w

PCI-Express Gen 6.0 Specification to Finalize by 2021

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Prima.Vera

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