DVD Writer Help !!!

[dreams]

Hello all..

I recently bought a SONY DVD Writer DW-Q30A (OEM)

Since its an OEM Version i want to know wats the Max Spped it can Write a DVD.. The shopkeeper told its 16X..

How to check it..

And also its a Dual Layer DVD Writer..

I want to knw wats this Dual Layer.. can write for abt 8.7GB in a DVD.. How is it possible..

I cant understand this concept of Dual Layer..

Please help..

TIA

[siriusb]

When in doubt, google.
http://www.newegg.com/Product/Produc...10#DetailSpecs

Dual layer dvds have, er, two layers on one side of the disc, so that the amount of writable surface doubles (almost). Hence 8.x GB.