Expansion Slots and Bus Speeds

Question 1

PCI (Peripheral Component Interconnect)

Answer 1

• Legacy expansion slots - Speeds from 133 MB/s to 533 MB/s

Question 2

PCI-X (PCI Extended)

Answer 2

Designed for servers (this is not PCI Express)

• 1,064 MB/s throughput

Question 3

PCIe (PCI Express)

Answer 3

Serial communication - xl, x2, x4, x8, xl6, x32 lanes
• High performance for devices like high-end graphics adapters
• PCI Express throughput per-lane in each direction
• Speeds from 250 MB/s to 2 GB/s

Question 4

Mini PCI and PCI Express Mini Card

Answer 4

PCI and PCI Express for laptops

• Adapter cards are internal to the device