This one has 17 Rows the M2/ASP has 22 Rows. Also, the M2/ASP is a little thicker than that one from what I read as well as being taller.
Thick Height Width Volume
ASP race 3.5 12.55 17 746.7
And yes the M2 is still available.
ASP=M2 because before M2 it was ASP.