What is the maximum length of a PCI-Express Flexible Extension Cable?











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What is the maximum length a PCI-Express bus can be extended with a PCI-Express Flexible Extension Cable like this (36 Pin):



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  • 1




    What version of PCI express are you trying to extend? The environment you need to extend through makes a huge difference too, particularly with unshielded extenders.
    – David Schwartz
    Mar 4 '15 at 1:23












  • @DavidSchwartz In my case it is PCIe 3.0 but the other versions might be also interesting for other people looking here.
    – kimliv
    Mar 4 '15 at 11:55








  • 2




    This appears to be a fly by night product operating outside of the pci express specifications. Going by the specs you need a signal retimer chip on each end and a much different looking cable that can be 1 meter long iirc. That is with copper of course. There are fiber solutions that can be much, much longer.
    – psusi
    Mar 5 '15 at 16:04















up vote
1
down vote

favorite












What is the maximum length a PCI-Express bus can be extended with a PCI-Express Flexible Extension Cable like this (36 Pin):



enter image description here










share|improve this question




















  • 1




    What version of PCI express are you trying to extend? The environment you need to extend through makes a huge difference too, particularly with unshielded extenders.
    – David Schwartz
    Mar 4 '15 at 1:23












  • @DavidSchwartz In my case it is PCIe 3.0 but the other versions might be also interesting for other people looking here.
    – kimliv
    Mar 4 '15 at 11:55








  • 2




    This appears to be a fly by night product operating outside of the pci express specifications. Going by the specs you need a signal retimer chip on each end and a much different looking cable that can be 1 meter long iirc. That is with copper of course. There are fiber solutions that can be much, much longer.
    – psusi
    Mar 5 '15 at 16:04













up vote
1
down vote

favorite









up vote
1
down vote

favorite











What is the maximum length a PCI-Express bus can be extended with a PCI-Express Flexible Extension Cable like this (36 Pin):



enter image description here










share|improve this question















What is the maximum length a PCI-Express bus can be extended with a PCI-Express Flexible Extension Cable like this (36 Pin):



enter image description here







cable pci-express






share|improve this question















share|improve this question













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share|improve this question








edited Aug 24 '16 at 18:56









fixer1234

17.3k144280




17.3k144280










asked Mar 4 '15 at 0:25









kimliv

15019




15019








  • 1




    What version of PCI express are you trying to extend? The environment you need to extend through makes a huge difference too, particularly with unshielded extenders.
    – David Schwartz
    Mar 4 '15 at 1:23












  • @DavidSchwartz In my case it is PCIe 3.0 but the other versions might be also interesting for other people looking here.
    – kimliv
    Mar 4 '15 at 11:55








  • 2




    This appears to be a fly by night product operating outside of the pci express specifications. Going by the specs you need a signal retimer chip on each end and a much different looking cable that can be 1 meter long iirc. That is with copper of course. There are fiber solutions that can be much, much longer.
    – psusi
    Mar 5 '15 at 16:04














  • 1




    What version of PCI express are you trying to extend? The environment you need to extend through makes a huge difference too, particularly with unshielded extenders.
    – David Schwartz
    Mar 4 '15 at 1:23












  • @DavidSchwartz In my case it is PCIe 3.0 but the other versions might be also interesting for other people looking here.
    – kimliv
    Mar 4 '15 at 11:55








  • 2




    This appears to be a fly by night product operating outside of the pci express specifications. Going by the specs you need a signal retimer chip on each end and a much different looking cable that can be 1 meter long iirc. That is with copper of course. There are fiber solutions that can be much, much longer.
    – psusi
    Mar 5 '15 at 16:04








1




1




What version of PCI express are you trying to extend? The environment you need to extend through makes a huge difference too, particularly with unshielded extenders.
– David Schwartz
Mar 4 '15 at 1:23






What version of PCI express are you trying to extend? The environment you need to extend through makes a huge difference too, particularly with unshielded extenders.
– David Schwartz
Mar 4 '15 at 1:23














@DavidSchwartz In my case it is PCIe 3.0 but the other versions might be also interesting for other people looking here.
– kimliv
Mar 4 '15 at 11:55






@DavidSchwartz In my case it is PCIe 3.0 but the other versions might be also interesting for other people looking here.
– kimliv
Mar 4 '15 at 11:55






2




2




This appears to be a fly by night product operating outside of the pci express specifications. Going by the specs you need a signal retimer chip on each end and a much different looking cable that can be 1 meter long iirc. That is with copper of course. There are fiber solutions that can be much, much longer.
– psusi
Mar 5 '15 at 16:04




This appears to be a fly by night product operating outside of the pci express specifications. Going by the specs you need a signal retimer chip on each end and a much different looking cable that can be 1 meter long iirc. That is with copper of course. There are fiber solutions that can be much, much longer.
– psusi
Mar 5 '15 at 16:04










2 Answers
2






active

oldest

votes

















up vote
3
down vote



accepted










The maximum length for PCIe cable (all lane sizes) generation wise are as follows:



PCIe Gen 1: 15 inches.



PCIe Gen 2: 12 inches.



PCIe Gen 3: 8 inches.



Source






share|improve this answer




























    up vote
    0
    down vote













    This looks like a cheap (unshielded riser) and the answer with the short lengths is probably true.
    On the other hand, watch this video https://www.youtube.com/watch?v=q5xvwPa3r7M



    With good risers Linus achieved over 3m extension.






    share|improve this answer








    New contributor




    Mr X is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.














    • 2




      Linus achieves a lot of things. That doesn't mean it'll work with your particular motherboard and your other device. I wouldn't depend on it for anything where you need a reliable solution.
      – Jamie Hanrahan
      2 days ago










    • Yes, that's usually true. But in this case he just used the more expensive Thermaltake PCIe Extender. Nothing else. No special modifications. Ofc it's probably outside the official specs and you have to read the reviews of this item. And ofc I don't see a real need to extend PCIe even more than 30cm ...
      – Mr X
      yesterday













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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes








    up vote
    3
    down vote



    accepted










    The maximum length for PCIe cable (all lane sizes) generation wise are as follows:



    PCIe Gen 1: 15 inches.



    PCIe Gen 2: 12 inches.



    PCIe Gen 3: 8 inches.



    Source






    share|improve this answer

























      up vote
      3
      down vote



      accepted










      The maximum length for PCIe cable (all lane sizes) generation wise are as follows:



      PCIe Gen 1: 15 inches.



      PCIe Gen 2: 12 inches.



      PCIe Gen 3: 8 inches.



      Source






      share|improve this answer























        up vote
        3
        down vote



        accepted







        up vote
        3
        down vote



        accepted






        The maximum length for PCIe cable (all lane sizes) generation wise are as follows:



        PCIe Gen 1: 15 inches.



        PCIe Gen 2: 12 inches.



        PCIe Gen 3: 8 inches.



        Source






        share|improve this answer












        The maximum length for PCIe cable (all lane sizes) generation wise are as follows:



        PCIe Gen 1: 15 inches.



        PCIe Gen 2: 12 inches.



        PCIe Gen 3: 8 inches.



        Source







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Mar 5 '15 at 15:12









        Ayan

        2,22031120




        2,22031120
























            up vote
            0
            down vote













            This looks like a cheap (unshielded riser) and the answer with the short lengths is probably true.
            On the other hand, watch this video https://www.youtube.com/watch?v=q5xvwPa3r7M



            With good risers Linus achieved over 3m extension.






            share|improve this answer








            New contributor




            Mr X is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.














            • 2




              Linus achieves a lot of things. That doesn't mean it'll work with your particular motherboard and your other device. I wouldn't depend on it for anything where you need a reliable solution.
              – Jamie Hanrahan
              2 days ago










            • Yes, that's usually true. But in this case he just used the more expensive Thermaltake PCIe Extender. Nothing else. No special modifications. Ofc it's probably outside the official specs and you have to read the reviews of this item. And ofc I don't see a real need to extend PCIe even more than 30cm ...
              – Mr X
              yesterday

















            up vote
            0
            down vote













            This looks like a cheap (unshielded riser) and the answer with the short lengths is probably true.
            On the other hand, watch this video https://www.youtube.com/watch?v=q5xvwPa3r7M



            With good risers Linus achieved over 3m extension.






            share|improve this answer








            New contributor




            Mr X is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.














            • 2




              Linus achieves a lot of things. That doesn't mean it'll work with your particular motherboard and your other device. I wouldn't depend on it for anything where you need a reliable solution.
              – Jamie Hanrahan
              2 days ago










            • Yes, that's usually true. But in this case he just used the more expensive Thermaltake PCIe Extender. Nothing else. No special modifications. Ofc it's probably outside the official specs and you have to read the reviews of this item. And ofc I don't see a real need to extend PCIe even more than 30cm ...
              – Mr X
              yesterday















            up vote
            0
            down vote










            up vote
            0
            down vote









            This looks like a cheap (unshielded riser) and the answer with the short lengths is probably true.
            On the other hand, watch this video https://www.youtube.com/watch?v=q5xvwPa3r7M



            With good risers Linus achieved over 3m extension.






            share|improve this answer








            New contributor




            Mr X is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.









            This looks like a cheap (unshielded riser) and the answer with the short lengths is probably true.
            On the other hand, watch this video https://www.youtube.com/watch?v=q5xvwPa3r7M



            With good risers Linus achieved over 3m extension.







            share|improve this answer








            New contributor




            Mr X is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.









            share|improve this answer



            share|improve this answer






            New contributor




            Mr X is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.









            answered 2 days ago









            Mr X

            11




            11




            New contributor




            Mr X is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.





            New contributor





            Mr X is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.






            Mr X is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
            Check out our Code of Conduct.








            • 2




              Linus achieves a lot of things. That doesn't mean it'll work with your particular motherboard and your other device. I wouldn't depend on it for anything where you need a reliable solution.
              – Jamie Hanrahan
              2 days ago










            • Yes, that's usually true. But in this case he just used the more expensive Thermaltake PCIe Extender. Nothing else. No special modifications. Ofc it's probably outside the official specs and you have to read the reviews of this item. And ofc I don't see a real need to extend PCIe even more than 30cm ...
              – Mr X
              yesterday
















            • 2




              Linus achieves a lot of things. That doesn't mean it'll work with your particular motherboard and your other device. I wouldn't depend on it for anything where you need a reliable solution.
              – Jamie Hanrahan
              2 days ago










            • Yes, that's usually true. But in this case he just used the more expensive Thermaltake PCIe Extender. Nothing else. No special modifications. Ofc it's probably outside the official specs and you have to read the reviews of this item. And ofc I don't see a real need to extend PCIe even more than 30cm ...
              – Mr X
              yesterday










            2




            2




            Linus achieves a lot of things. That doesn't mean it'll work with your particular motherboard and your other device. I wouldn't depend on it for anything where you need a reliable solution.
            – Jamie Hanrahan
            2 days ago




            Linus achieves a lot of things. That doesn't mean it'll work with your particular motherboard and your other device. I wouldn't depend on it for anything where you need a reliable solution.
            – Jamie Hanrahan
            2 days ago












            Yes, that's usually true. But in this case he just used the more expensive Thermaltake PCIe Extender. Nothing else. No special modifications. Ofc it's probably outside the official specs and you have to read the reviews of this item. And ofc I don't see a real need to extend PCIe even more than 30cm ...
            – Mr X
            yesterday






            Yes, that's usually true. But in this case he just used the more expensive Thermaltake PCIe Extender. Nothing else. No special modifications. Ofc it's probably outside the official specs and you have to read the reviews of this item. And ofc I don't see a real need to extend PCIe even more than 30cm ...
            – Mr X
            yesterday




















             

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