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Posted by Wendy Collins
Posted on 04/03/06 13:19
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Writing performance DVD±R DL and DVD RAM
 

DVD+R Double Layer writing performance:


The specifications of this drive tell us that it should write DVD+R DL at 8x.

We used Nero CD-DVD Speed to create a data disc with the ND-4570A, and then used the Lite-On SHW-16H5S along with Nero CD-DVD Speed 'Disc Quality Check" to scan our disc.





The NEC ND-4570A used Z-CLV, (Zone-Constant Linear Velocity) to write DVD+R DL at 8x. This gives an average writing speed of 6.56x, and a writing time of 18 minutes and 33 seconds. The result is good. (Thanks to SVP UK for sending us this media).

DVD-R Double Layer writing performance:


The specifications of this drive tell us that it should write DVD-R DL at 8x.

We used Nero CD-DVD Speed to create a data disc with the ND-4570A, and then used the Lite-On SHW-16H5S along with Nero CD-DVD Speed 'Disc Quality Check" to scan our disc.




The NEC ND-4570A used Z-CLV, (Zone-Constant Linear Velocity) to write DVD-R DL at 6x. This gives an average writing speed of 5.67x, and a writing time of 20 minutes and 41 seconds. The result is good. (Thanks to SVP UK for sending us this media).

DVD-RAM writing performance:


The specifications of this drive tell us that it should write DVD-RAM at 5x.

We used Nero CD-DVD Speed to create a data disc with the ND-4570A, and then used Nero CD-DVD Speed 'Scan Disc" to scan our discs our disc for errors.

The NEC ND-4570A used CLV (Constant Linear Velocity) to write DVD-RAM at 5x. The average write speed is 4.86x and total writing time is 11 minutes and 26 seconds.

This concludes our preview of the NEC ND-4570A drive. Let us head on to the final page for our 'preview" conclusion…..

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Reactions on this item
I am shocked that also the 4570 does a very bad burn with VERBATIM 16x DVD-Media!

Disk-Quality score with MCC 004 at 84%
and wit MCC 003 at 70% is somenthing NOT acceptable for me!
This "new" 8x writing method was already introduced with Plextor 708 more than 3 years ago!
I wish I'd read the comments above before buying this buner.
Best quality Verbatim discs show lots of errors and jitter on this drive causing Nero Speed 4.7 to give a Disc Quality score of ZERO.
Same discs have a score of 94 and no jitter errors when burned on my ND 3520A.

AVOID THIS BURNER!!! :(
I find this drive very good for my purposes, its incredibly fast for writing CDs for University work I am always expecting a slow write speed, I sometimes even get the feeling that the CD hasnt burnt properly and have to check it but its fine.

I THINK THIS DVD-RW, CD-RW etc is very good! :B
I did terrible things to my 4570A, but it still works fine... :)
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