I think all of us should be concerned about this :
Main source : TechARX Forum ? View topic - Recent revisional changes in mid and low end intel boards.
And some shocking reviews :
Spot the differences: Gigabyte motherboard revisions present markedly different test results | Hardware.Info United States
And here goes some other manufacturers :
A picture is worth a thousand words
Asrock H81M DGS
*twimages.vr-zone.net/2014/12/Asrock.png
MSI B85M-E33
*twimages.vr-zone.net/2014/12/MSI.png
GA-B85M-D3H
*twimages.vr-zone.net/2014/12/Gigabyte.png
Asus B85M-E - at last we can see something better
*twimages.vr-zone.net/2014/12/ASUS.png
Main source : TechARX Forum ? View topic - Recent revisional changes in mid and low end intel boards.
And some shocking reviews :
Spot the differences: Gigabyte motherboard revisions present markedly different test results | Hardware.Info United States
And here goes some other manufacturers :
A picture is worth a thousand words
Asrock H81M DGS
*twimages.vr-zone.net/2014/12/Asrock.png
MSI B85M-E33
*twimages.vr-zone.net/2014/12/MSI.png
GA-B85M-D3H
*twimages.vr-zone.net/2014/12/Gigabyte.png
Asus B85M-E - at last we can see something better
*twimages.vr-zone.net/2014/12/ASUS.png