(Copied from disk to desktop and verified as binary same by Beyond Compare 3.)The Quality control issue has to do with an inconsistent surface, be it the medium itself or the polycarbonate shell, near the edges of the disk.

The white printable surface looks great.

Function well and printable surface is great.

The inkjet-printable top surface is a bonus, even if you don't have an inkjet printer, it makes it easier to use a permanent marker or possibly a pencil (though I wouldn't recommend the latter).I can assure you that these do the job as well as any I have yet found, irrespective of cost

The printable surface is great that is comparable to original blu ray discs

Good printable front surface

GB 6x Blu-ray White Inkjet Printable Single Layer Recordable Disc BD-R, 50-Disc SpindleHighest Burn

That and literally it says 6x and thats as fast as I can burn.