Buffalo  MediaStation DVD (+/-R) Portable Writer/ External 8x  USB 2.0 with CyberLink Software  DVSM-P58U2/B (Black) Portable MediaStation;Quick Setup Guide; Warranty Statement; Power Cord; Software and Driver CD Supports writing on DVD-RAM, DVD-R/RW/R-DL, DVD+R/RW/R-DL as well as CD-R/RW discs. It can write Single layer DVD at up to 8X and Dual layer DVD at up to 6X. Supports writing on DVD-RAM, DVD-R/RW/R-DL, DVD+R/RW/R-DL as well as CD-R/RW discs. It can write Single layer DVD at up to 8X and Dual layer DVD at up to 6X. 40x CD-R Read and Write Type Write (Read):DVD-RAM 5x(5x)/DVD-R SL 8x(8x)/DVD-R DL 6x(6x)/DVD-RW 6x(6x)/DVD+R SL 8x(8x)/DVD+R DL 6x(6x)/DVD+RW 6x(6x)/CD-R 48x(48x)/CD-RW 24x(32x)