... pad with 3 pot hub DVD RW DVD burnerDVD RW with cooling pad with 3 pot hub1 ... :80mm*80mm*15mm3.SIZE:333mm*330mm*22mm4.DVD RW SUPPORT USB 2.05.MAX TRANMITTING SPEED 480 ... .OR ABOVE8.DISPLAY DISK FORMAT:DVD-R/RW,DVD+R/RW,DVD-ROM(SINGLE/DOUBLE LAYER) 9.VIDEO ... .SPEED 24X,CD-R MAX.SPEED 24X,CD-RW MAX.SPEED 10X,DVD-ROM 11.MAX.SPEED ... ,DVD+R MAX.SPEED 8X,DVD-RW MAX.SPEED12.4X,DVD+RW MAX.SPEED 4X,CAN RECORD D ...