As of now, the PCI Express 4.0 standard has been finalized and officially released. The new protocol promises twice the per-lane bandwidth of PCI Express 3.0, allowing a GPU or other accelerator to transfer up to 64GB/s in a duplex x16 link. It’s also been a long time coming. Initially, PCIe evolved relatively quickly. It debuted in 2003 with up to 8GB/s of bandwidth in … [Read more...]