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Confusion on PCIe Compatibility

Tags:
  • Graphics Cards
  • Compatibility
  • Motherboards
  • PCI Express
  • Graphics
Last response: in Graphics Cards
May 5, 2010 3:47:21 AM

I did search a bit but am still confused, so sorry if this was answered somewhere else.
Please just put yes or no to make this easier ;) 
1) I'm pretty sure PCI Express 2.1 x16 will work on a motherboard that supports PCI Express 2.0 x16 but just to make sure [YES/NO]
2) Will PCI Express 3.0 x16 work on a motherboard that supports PCI Express 2.0 x16 (when it comes out) [YES/NO]
3) Will PCI Express 2.0 x16 or 2.1 work on a motherboard that supports just PCI Express [YES/NO]

hopefully those were clear enough, thanks

More about : confusion pcie compatibility

a c 1648 U Graphics card
a c 1527 V Motherboard
May 5, 2010 3:57:05 AM

1)yes
2)time will tell (remember AGP changed)
3)2.0 yes 2.1 some issues with older motherboards some have fixes with BIOS update some don't.
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a b U Graphics card
a b V Motherboard
May 5, 2010 12:03:54 PM

1) Yes
2) Probably; they are trying to keep PCI-E fully backward compatable, and delayed PCI-E 3.0 for just that purpose
3) Sometimes [mostly?]; most cards can still run in a standard PCI-E x16 slot, but some cards/motherboards may have issues.
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a c 197 U Graphics card
a b V Motherboard
May 5, 2010 4:05:38 PM

1. Yes
2. Maybe
3. Mostly [some boards have issues with newer card]
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May 12, 2010 12:23:03 AM

Best answer selected by MikexNemesis14.
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