What is the difference between pci express 2.0 and 2.1

21 mar. PCIe , con un conector PCI de 32 carriles, puede proveer un rendimiento de 16GB/s. La PCIe soporta tanto V y 5V. También posee ranuras. 1. PCIe provides higher performance than the PCIe by facilitating a transparent upgrade from a bit data path to a bit data path at 33MHZ and 66MHz. 16 may. The short answer is no, those express two different things. PCI is a very old standard, hardly ever used anymore for graphics cards. But your.