Full Details from Amazon.com : http://www.amazon.com/gp/product/B000FTEG1U?tag=onigi-20
Sony Vaio DVD R DL/DVD RW External Optical Drive ( VGP-DDRW4 )
DVDR double layer technology DVD-RW drive
Store up to 4 hours of DVD video or up to 85GB of data on one dual layer disc
Compatible with UX Series Micro PC
FireWire interface
8x DVDRW 6x DVD-RW 5x DVD-RAM rewrite speeds
