The best replacement for pci express x16 is x1.

The best alternatives to pci express x16 are rated as following:
★★★★★  x1
★★★★  agp
★★★  pci express x1
★★  x4
★★  pci
★★  pci express 2.0
★  pci express 1
★  pci express x8
★  pci express
  pci express 2.1
  agp 8x
  pci express 2.0 x16
  pci express 3.0
  pci express 3.0 x16
  pci express x4
  agp x8
  pci express 2 x16
  pci express 2.0 x 16
  2.0 x16

Your alternative for pci express x16 is not listed? Suggest!


No companions for pci express x16 have been suggested so far.
You have in mind a companion for pci express x16 and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of pci express x16 in all years. Click on graph for more.
pci express x16
x1
agp