PCI-Express Gen 4 is on the way. 1 reply

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FileTrekker Über Admin

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15th December 2002

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#1 2 years ago

Gen 3 has been around for a while now, but Gen 4 should be out next year, and promises to provide double the bandwidth of the current PCI-e specification (16 GT/s rather than 8 GT/s)

I'm not sure why all this extra bandwidth is necessary, hilariously the first device to support the standard will be a 100Gb/s networking adapter. Fast, but pretty sure it's already doable with the current standard.

I don't see this having a big performance improvement for GPUs, honestly, but perhaps there are uses for it down the road for SSD's and things of that nature?

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RadioactiveLobster Forum Admin

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#2 2 years ago

With the upcoming speeds of XPoint memory and NVME drives, I can see servers saturating PCI rather easily.

The issue at the moment is the bottle neck is going to be he DMI interface.

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