The best replacement for pci e is pci.

The best alternatives to pci e are rated as following:
★★★★★  pci
★★★★  agp
★★★★  pci x
★★  agp 8x
★★  pci e 2.0
★★  pci express
★  pci e x16
★  apg
  pci-x
  pci slot
  agp video cards

Your alternative for pci e is not listed? Suggest!
Speaking about pci e, one probably shouldn't forget about socket a.

Other search terms related to pci e and their ratings are:
★★★★★ socket a
★★★ socket 462
You have in mind a companion for pci e and it is not yet here? Propose!



Google Trends

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pci e
pci
agp