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CD-RW Speeds

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Looking for some CD-RWs I could use with my parents’ aged computer, I stumbled across a little-known detail of CD-RWs: The discs available on the market are separated into different speed classes. So far, so boring, but the important thing to know is, higher class CD-RWs are not backwards compatible to lower class discs. This means you cannot burn a 12x-ultra-speed disc using a 4x-normal-speed recorder!

Speed classes are:

  • “Normal Speed”/”Low Speed”/”Multi Speed”: 1-4x
  • “High Speed”: 4-10x or 4-12x
  • “Ultra Speed”: 10-24x
  • “Ultra Speed+”: 16-32x

My parents’ Plextor PlexWriter 8/4/32A (PX-W8432T) is a 4x CD-RW recorder and is classified as a “normal speed” device. The attempt to write a “high speed” (or faster) disc only produces ATAPI error code 052700 (“write protected”) and fails.

So, if you plan to use that old CD-RW recorder of yours again, start looking for the correct discs. These aren’t in production for quite some time now and begin to get rare. I managed to find some at eBay.

Author: Tobias

Hallo, ich bin Tobias. Meine Leidenschaft gilt alten Autos. Je ausgefallener desto besser. Im Alltag schwöre ich auf meinen treuen '88 Volvo 745 und im Laufe der Zeit sammelten sich daneben in der Garage noch ein '79 AMC Pacer, ein '70 Chrysler 300 Hurst, ein '90 Toyota Sera und ein '94 Mazda 121 Ginza. Wenn ich gerade nicht an den Autos herumschraube, lasse ich den Nerd raushängen und schreibe hier irgendwas zu Online- und IT-Themen, Filmen oder Musik. Ihr findet mich auch .

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