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Home > Hardware Reviews > Optical Storage > DVD Recorders Double Layer

Wednesday, December 15, 2004
PlextorPX-716A Preview

4. PlexTools/CDSpeed Scans - Page 1

Plextor PX-716A Writer - Page 4

PlexTools/CDSpeed Scans - Page 1

In order to test the writing quality and readability of the burned media, we used two readers in combination with two software packages:

  • The LiteON SOHD-167T with patched firmware being able to read DVD5 up to 16X CAV and DVD9 up to 10X CAV. For the transfer rate tests, we used the latest Nero CDSpeed version.
  • The Plextor PX-712A with the latest available firmware. For scanning the disc, we used the latest PlexTools version at 2X CLV reading speed, BURST mode, with middle accuracy.
  • The Plextor PX-716A with the latest available firmware and the same setting as the 712 just for indicating any differences between the two drives.

In general, a "perfect" disc should have a smooth reading curve, very low PIE/POE and zero (0) POF error rates. Most times, even when a disc has very low PIE/POE error rates, the reading curve may not be smooth, exhibiting dropoffs. Due to the fact that we oversped the reading capabilities of the LiteON SOHD-167T, such drops are expected, especially near the outer area of the disc.

The measurements below should be taken not as the absolute criteria of the burning quality, but as an indication level.

- Mitsubishi Chemicals 16X DVD+R @ 16X

  • Plextor PX-712A

  • Plextor PX-716A

Excellent writing quality. Notice the similarity between the 712 and 716 results.

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