Slower traffic keep right

Which bus type uses full-duplex lanes to provide communication between devices?

A) PCI-X

B) mini PCI

C) PCIe

D) AGP

E) Which lane is the fast lane?

The answer: C) PCIe

PCI Express (PCIe) is a serial bus, unlike the parallel bus of PCI or PCI-X. With the serial connectivity, a device can communicate at top speed instead of being limited by the slowest device on the bus.

Want to know more? Watch “Motherboard Expansion Slots and Bus Speeds.” Motherboard expansion slots come in many different shapes, sizes, and speeds. In this video, you’ll learn about the characteristics and speeds of popular motherboard expansion slots.