I’ve just run Nero’s Scandisc surface scan on three different readers with the same freshly burned CMC 40X rated disc. The disc is close to full, with 700MB of data and it was burned at 40X on my MSI CR40-A 40/12/40 RW drive.
On a Ricoh MP5125A 32x reader (8X DVD) I get the following
On a Asus DVD-E616 48X reader (16X DVD) I get the following:
On a Hitachi GD-2500BX 24X reader (6x DVD) I get this:
I guess this highlights how different readers can post wildly varying results. Which reader would you believe and does the fact that these are all actually DVD Writers or Readers make any difference?