IO Evolution By facebooker_8723205061038638 1981 ISA 16 MB/s, Half Duplex CMOS, Parallel 1988 EISA Extended ISA 1992 PCI 1997 AGP 2003 PCIe 1.0 2007 PCIe 2.0 2010 PCIe 3.0 2017 PCIe 4.0 2019 PCIe 5.0 2022 PCIe 6.0 2025 PCIe 7.0 (expected)