asus m5a97 LE r2.0 has no heat sink over the caps between the cpu socket and
externals
asus m5a97 has the northbrige and southbridge next to each other "leave this
one alone.
asus m5a97 r2.0 the northbridge and southbridge are at 90 degree agles to
each other.
if you thinking of getting this motherboard get the asus m5a97 r2.0
or spend a bit more for the asus m5a99x evo r2.0
If you go to asus
http://uk.asus.com/Search/?SearchKey=m5a97
this will tell you exactly what the difference is.