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PCI-Express Gen 6.0 Specification to Finalize by 2021

btarunr

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

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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.
 
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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...
 
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bug

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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.
 
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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

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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...
 
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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

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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.
 
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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.
 
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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.
 
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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.

 

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

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.
 
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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!
 
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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...
 
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