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Ready to go for PCIE 2.1 or PCIE 3.0

Guys Good news , i met a friend of mine with same pc configuration

his configuration

intel p4 ht 3 ghz
intel 102ggc2 pcie 1.0 x16
2 gigs RAM
and he is using a HD 5770 1GB GDDR5 without any problem.

so this mean i am ready to select a pcie 2.1 card like 5670 or even a pcie 3.0 card like HD 7750( Which i really want).

help me
5 answers Last reply Best Answer
More about ready pcie pcie
  1. As already mention in one of the vast number of your other threads a PCI-e 2.1 card may or may not work in a PCI-e 1.0 slot. It will likely work since there have only been a few reported cases.

    Will a PCI-e 3.0 card work in a PCI-e 1.0 slot? That's unconfirmed since no one has tried it yet and report their success or failure.

    Conservative choice is the HD 5670 since most time there has been no issues.

    Or you can take leap of faith and try the HD 7750 knowing that you may have to return it.
  2. jaguarskx said:
    As already mention in one of the vast number of your other threads a PCI-e 2.1 card may or may not work in a PCI-e 1.0 slot. It will likely work since there have only been a few reported cases.

    Will a PCI-e 3.0 card work in a PCI-e 1.0 slot? That's unconfirmed since no one has tried it yet and report their success or failure.

    Conservative choice is the HD 5670 since most time there has been no issues.

    Or you can take leap of faith and try the HD 7750 knowing that you may have to return it.


    where can i ask for help on the pcie 3.0 case? please help me
  3. Best answer
    You can only ask someone who has attempted it. And just because it works for that person, it does not necessarily mean it will also work for you unless the motherboard is the same in both cases.
  4. PCI x16 cards are all forwards and backwards compatible. This means a PCIe x16 1.0 card will work and in a 3.0 slot, and a 3.0 card will work in a 1.0 slot. PCI3 3.0 cards just run faster on 3.0 slots, while 2.1, 2.0, and 1.0 slots will still run the card at reduced bandwidths which won't affect you at all since that card is overkill for that CPU anyways.
  5. Best answer selected by dgbkiller.
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