I have 2 NEW HDD WD15EARS Green
1 HDD have firmware revision 80.00A80(from hdparm)- low speed read-write(1~15 Mb /sec)
2 HDD have firmware revision 51.0AB51(from hdparm)- its very good HDD- full speed
PS may be question to WD company make upgrade_utility from 80.00A80 to 51.0AB51???..
Sorry my bad english…