Media Info -

Writing - 8X (5.25X average) in 12:27 mins

The speed decreases to 4X instead of increasing to 8X again.

Reading 8X (6.05X Average)

DaTARIUS Scans -

The system could not perform complete measurements with the specific disc, after the 3.5GB mark. It is the exact point where the drive lowered the burning speed, as you can see in the CDSpeed graph. However, playability was not affected.