Download HD Tune Pro 3.0 Trial
There is an option for AAM
The default setting of my WD5000AAKS was set to low noise (128) which is the slowest. I changed this setting all the way up to high performance (254)
Access seek time went down by 0.3
It seems this software changed is permanent and now my drive's benchmark's access seeks time is always 0.3 faster than before.