PCI Express 4.0 Is Ready, PCI Express 5.0 In 2019
Written by Michael Larabel in Hardware on 9 June 2017 at 02:52 PM EDT. 71 Comments
HARDWARE --
The PCI-SIG has announced the finalized PCI Express 4.0 specifications and has laid out early details about PCI Express 5.0.

PCI Express 4.0 operates at 16GT/s and includes additional performance enhancements over PCI-E 3.0. PCI Express 4.0 can provide 64GB/s for each PCI-E 4.0 x16 slot. PCI Express 4.0 specification also allows for OCuLink-2 as a new alternative to Thunderbolt connections. PCI Express 4.0 devices aren't expected until late in 2017.

Meanwhile, PCI Express 5.0 is slated for release in 2019 and will deliver 32GT/s of bandwidth. These are big boosts over PCI Express 3.0 that was firmed up back in 2010 at 8GT/s.

Early details on PCI-E 5.0 via this press release.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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