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    Product Info
    Name: 24/10/40A
    Company: Plextor
    Price: Click To Find Lowest
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    SLCentralHardwareReviewsStorage Apr 24th, 2019 - 11:29 PM EST
    Plextor 24x10x40a CD-RW
    Author: Tom Solinap
    Date Posted: December 5th, 2001
    SLRating: 9/10

    Z-CLV

    What the Z-CLV method does is basically break up the CD into several zones and write at a constant speed in those zones. So the recorder is not really recording at 24X the entire time, but at different speeds depending on the zone. The speeds for each zone are determined by numerous amounts of testing. This method works with PoweRec II and BURN-proof to ensure reliability. Although it would be nice if the recorder actually recorded at 24X the entire time, this strategy provides more reliability I guess. The graph below shows how everything is broken up and what speed is used.

    PoweRec II

    One thing that always amazes me is all the acronyms that get created when new technology comes out. PoweRec stands for Plextor Optimised Writing Error Reduction Control. What does that mean? Well what PoweRec does is it determines the optimum recording speed depending on the quality of the CD recordable media you are using. The flow chart below (from the Plextor Site) basically shows the write process with the PoweRec II built in. You'll probably also notice that it's broken up into the zones in the Z-CLV method. The recorder can opt to increase the recording speed depending on the write quality of the current media. The quality in a particular zone will determine the speed for the next zone. So what you basically have is assurance that even though you're using those cheap CD-Rs you just bought, the drive is still optimized to handle them. Although you might not be so thrilled that you can only write at 16X on certain CD-R media, it's better this way so that you won't get as many errors.

    >> BURN-proof/First Impression And Installation

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    Article Navigation

    1. Introduction/Specs & Features
    2. Z-CLV/PowerRec II
    3. BURN-proof/First Impression & Installation
    4. Performance
    5. Is It A Worthy Upgrade?/Value
    6. Pros & Cons/Conclusion

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