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Bofferbrauer2 said:

It won't affect the PS4/XBO anymore, though. But it could affect their successors. Getting more than 100GB on an optical disc is proving to become impractical (UV lasers get stopped by the slightest dust particles, hence why a blue laser is the practical limit for end-users), but with increasingly bigger textures and game worlds, that won't be enough for long anymore.

Whilst your post is accurate... There is a successor to Blu-Ray known as the Archival Disk which starts at 300GB - 1 Terabyte of storage.
And Sony even managed to cram 3.3 Terabytes into a disk.

Whilst you are accurate that there are practical physical limits to the lasers... There are ways to cram more data in by reducing crosstalk and error detection... This is a similar issue that mechanical disks have had to deal with for awhile.

--::{PC Gaming Master Race}::--