Pioneer DVR-S806 External Dual-Layer DVD+/-RW Writer (16x, 4x Dual-Layer) Writes to DVD-R/RW, DVD+R/RW, DVD+R DL (dual-layer), CD-R, CD-RW Up to 16x recording speed (DVD-R, DVD+R), up to 4x recording speed (DVD-RW, DVD+RW, DVD+DL) Up to 32x recording speed (CD-R), up to 24x recording speed (CD-RW) Offers a choice of FireWire or USB 2.0 connection Includes Nero and U-Lead software on CD-ROM