Speed copy files Caviar Black and Caviar Green

WD Internal Drives Desktop & Mobile Drives
1

hi

plz help me,
Copy Speed Caviar Black hard drive below the Caviar Green
Is there a way to solve the problem there?
My hard drive models, I use the following :
WMATV8585910
WCAV5H803596
WMAV51204025
Rate of all caviar black lower during transmission and copying

plz send solution for me : [edited] or [edited]

tanks

2

copying large files ( > 100mb) or smaller files ( < 1mb)?

copying files between drives or over a network?

3

Could we see some read benchmark graphs, eg HD Tune?
http://www.hdtune.com/