PCIe 4.0 specification released

Hard find a case where speed limitation hit current users.
Latency, yes, it could be better.
 
Eh. I'll be upgrading from PCIe 2.0.

Looks like Cannon will support it. Will be upgrading next year.
 
Why would you jump on PCI4 if PCI5 comes 2019, what different in todays workload will >PCI3 make?
 
Thor said:
Why would you jump on PCI4 if PCI5 comes 2019, what different in todays workload will >PCI3 make?
Click to expand...

I'm sitting with a 2600k oc'd to 4.6gHz. Looking to upgrade the CPU,Mobo,Ram next year. Haven't upgraded in 6 years.
 
Thor said:
Why would you jump on PCI4 if PCI5 comes 2019, what different in todays workload will >PCI3 make?
Click to expand...

It's certainly important for high speed networking (tightly coupled HPC), FPGA to CPU interoperability, and for GPU computing. There may be benefit in some games or future games, but very few are limited by host to GPU bandwidth. Possibly high resolution video processing too.
 
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cguy said:
It's certainly important for high speed networking (tightly coupled HPC), FPGA to CPU interoperability, and for GPU computing. There may be benefit in some games or future games, but very few are limited by host to GPU bandwidth. Possibly high resolution video processing too.
Click to expand...
Hence skip pci4 and wait for pci5
 
Thor said:
Hence skip pci4 and wait for pci5
Click to expand...

PCIE express 4 was announced in 2011. PCIE 3 in 2007. It took years to nail down the final revision, you likely won't actually see any mainstream PCIE 5.0 hardware until 2022 or so.
 
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