Dvd_rw Nd-2500a2?

DVD_RW ND-2500A EIDE/ATAPI 8/4/2x DVD-R/RW, 8/4/2.4x DVD+R/ - x x 5.5.10.55/6.0.0.24
DVD_RW ND-2500A2 EIDE/ATAPI 8/4/2x DVD-R/RW, 8/4/2.4x DVD+R/ - x x 5.5.10.55/6.0.0.24

I’ve seen this type of thing before for LiteOn drives.
Ahead/Nero will sometimes receive engineering samples of drives that will never be released.
I doubt we will ever see a 2500A2…