Recommended Server for using 4/5 TDM2406E cards

Hello all

I need your support

I have 5 TDM2406E PCI cards to use for asterisk, but I am having problem to search a server that support such 5 PCI slots, would you like to recommend me server that meet my requirements.
Does PCI 2.2 compliant card can be installed on PCI and PCI-X slots.

Thanks