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Single layer refers to DVD'S with a capacity of 4.7 Gigabytes. Dual layer has more capacity for storage of 8.5 Gigabytes. If you are buying, you DO want the dual layer capability.
Sorry, there was a problem. Please try again later.Hi there. Thank you for sharing your experience with us. We understand your inquiry regarding the features of the LG Slim DVD Writer, Model #SP80NB80. To answer your question, "Double Layer" (often abbreviated as DL in the specifications) refers to the drive's capability to read and write to DVD discs that have two recordable layers on the same side. This allows the disc to hold approximately twice the amount of data (usually 8.5 GB) compared to a standard single-layer disc. https://www.bestbuy.com/product/lg-8x-external-usb-double-layer-dvdrw-cd-rw-drive-black/JXTZZLCVZK If you have any further questions about its features, please contact us on lgdigitalcare@lg.sprinklrsupport.com, and our team will be more than happy to assist you. —Renzo
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