The PCI-SIG has officially announcedthe new PCI-Express 4.0 will offer a bandwidth 2 times higher thanthe PCI-Express 3.0. While the components adopting the PCI-Express3.0 have not won our configurations, the interest group PCI-SIG hasalready announced its successor, the PCI-Express 4.0.

The program for this new standard, abandwidth doubled to 16 GT / s (GigaTransferts per second) line whichcorresponds to 2

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GB / s. In practice, an operator graphics cardPCI-Express 4.0 x16 benefit from a bi-directional bandwidth of 32 GB/ s. It will also be backward compatible with previous generations ofPCI Express.

If you intend to purchase a laptopsoon, no need to postpone your purchase unless you are very patient.It will indeed wait until 2014 to see 2015 as the PCI-Express 4.0 isfinalized and the corresponding components arrive on the market.