As with the previous LiteOn releases, the SHW-1635S supports up to 48X writing speed with CD media, while it supports up to 24X with CD-RW.

• CD-R Format

According to Nero CDSpeed, the drive confirmed its maximum 48X speed. The test started at 21.82X and finished at 48.89X, having an average speed of 37.06X. Click on the image below for an enlarged view.

• CD-R Recording Times

For the burning tests, we created an 80min data compilation through Nero Burning Rom, recording the data on several 700MB discs. The LiteON SOHW-1693S needed only 2:38 minutes to complete this task at the maximum 48X writing speed.

In the following graph, we can see the recording times the LiteOn 1635S reported with various CD-R media inserted.

- Overburning Test

The drive supports overburning up to 99mins.

• CD-RW Format

The LiteON SOHW-1635S supports 24X Z-CLV rewriting speed with Ultra Speed Rewritable Media (US-RW).

Below you can see the Nero CD-DVD Speed writing simulation test with blank 24X US-RW media from Mitsubishi Chemicals.

The drive starts the writing task at 15.99X and steps up to a maximum of 24.00X with an overall average speed of 22.48X.