It’s that dot-three that gets you

What is one of the unique characteristics of PCI version 2.3?

A) Increase to 133 MBps of throughput

B) Support for both 32 bit and 64 bit adapter cards

C) Support for both PCI and PCIe adapter cards

D) Dropped support for 5V keyed adapters

E) Added support for additional decimal places in a version number