Analysis of information sources in references of the Wikipedia article "Optical disc drive" in English language version.
SmartWrite can overspeed certain 16X DVD±R media to a maximum of 24X
At this early stage anticipating anything is merely speculation but it's possible to make some informed predictions. From a practical perspective, spinning an optical disc at 10,000 RPM has long proven the realistic limit for half-height drives and 5,000 RPM for slim-types.