Pairing GV cards - versions

[BestGear 0]

Guys

 

Hope someone can help here, as the GV documentation is not granular enough to answer.

 

Do we know "how identical" GV cards need to be when paired?

 

as there are several versions of the 1120,1240 and 1480 cards - v3.1, 4.21, 4.32 etc etc - when pairing, do they need to be identical in revision?

 

I am looking at all PCI-E versions - no old PCI.

 

I appreciate that all identical may be desirable, but where sites are being upgraded, I dont want to get into a swap out game to ensure all identical cards across sites.

 

Thanks in advance

 

David