Nero DiskSpeed 4: CD-R, CD-RW Media

Source: Ahead Software

Nero DiskSpeed 4's recordable CD media tests are done twice, once with a CD-R disc rated to 1x-52x burn speed, and again with a CD-RW rated to 4x-32x. This test is performed by simply placing blank recording media into the burner and running the benchmark. The software will detect if it is CD-R or CD-R/W media and run the appropriate tests.

CD-R

CD-RW

CD-R and CD-RW Media Benchmark Results
Optical Drive	Lite-on iHAS524		Lite-on iHAS424
Media	CD-R	CD-RW	CD-R	CD-RW
Media Write Speed:	48x	32x	48x	32x
Avg Speed:	36.78x	24.09x	36.77x	24.09x
Start Speed:	21.63x	16.06x	21.62x	16.05x
End Speed:	48.53x	32.18x	48.51x	32.18x
Type	CAV	Z-CLV	CAV	Z-CLV

Nero DiskSpeed 4: DVD+RW Media

Source: Ahead Software

Nero's DiskSpeed 4 tests a DVD+RW rated to 2.4-4x. This test is done by simply placing the blank recording media into the burner and running the application. The software will detect the type of DVD media and run the appropriate test.

DVD+RW

DVD+RW Media Benchmark Results
Optical Drive	Lite-On iHAS524	Lite-On iHAS424
Media	DVD+RW	DVD+RW
Media Write Speed:	4x	4x
Avg Speed:	9x	9x
Start Speed:	4.96x	4.97x
End Speed:	12.04x	12.04x
Random Seek Time:	105 ms	109ms
Interface Burst Rate	58 MB/s	59MB/s
Type	CAV	CAV

Nero DiskSpeed 4: DVD-R Media

Source: Ahead Software

Nero's DiskSpeed 4 tests a DVD-R by simply placing the blank recording media into the burner and running the app. The software will detect the type of DVD media and run the appropriate test.

DVD-R

DVD-R Media Benchmark Results
Optical Drive	Lite-On iHAS524	Lite-On iHAS424
Media	DVD-R	DVD-R
Media Write Speed:	16x	16x
Avg Speed:	12.09x	12.09x
Start Speed:	6.78x	6.77x
End Speed:	16.13x	16.14x
Type	CAV	CAV