Motherboard - Expansion slots

Question 1

What does PCI-e stand for?

Answer 1

Peripheral Component Interconnect Express

Question 2

What are PCI-e’s predecessors?

Answer 2

PCI (1.x,2.x,3.x), PCI-X

Question 3

What are some characteristics of PCI?

Answer 3

Both 32 bit and 64 bit bus (PCI 1.0 and up)
Parallel interface (multiple bits sent concurrently)
Bus mastering (device connects directly to bus with no contact w/ CPU)
Half duplex

Question 4

How fast is PCI?

Answer 4

33 MHz at 133 or 266 MB/s

66 MHz at 266 or 533 MB/s (PCI 2.1 and up)

Question 5

How fast is PCI-X?

Answer 5

PCI-X 1.0 133 MHz at 1.06 GB/s

PCI-X 2.0 up to 533 MHz at 4.26 GB/s

Question 6

How fast is PCI-e 1.0 single lane speed?

Answer 6

250 MBps

Question 7

How fast is PCI-e 2.0 single lane speed?

Answer 7

500 MBps

Question 8

How fast is PCI-e 3.0 single lane speed?

Answer 8

1 GBps

Question 9

How fast is PCI-e 4.0 single lane speed?

Answer 9

2 GBps

Question 10

How fast is a 16-lane PCI-e 4.0 card?

Answer 10

Up to 32 GBps

Question 11

What is the transfer rate of PCI-e 1.0 single lane?

Answer 11

2.5 GT/s (Giga Transfer) (each transfer is a bit) (10 -> 8 conversion between transfer rate and bandwidth) due to additional encoding)

Question 12

What is the transfer rate of a single lane of PCI-e 4.0?

Answer 12

16 GTps (130:128 conversion between transfer rate and bandwidth due to additional encoding)

Question 13

What is the transfer rate of PCI-e 2.0 single lane?

Answer 13

5.0 GTps (10 -> 8 conversion between transfer rate and bandwidth due to additional encoding)

Question 14

What is the transfer rate of PCI-e 3.0 single lane?

Answer 14

8 GTps (130:128 conversion between transfer rate and bandwidth due to additional encoding)