It's a firewire DVD burner that supports; Audio-CD, MP3 CD, Picture CD, VideoCD 3.0, SVCD, VCD, CD-ROM/XA, CD-Extra, CD+Graphics, DVD-ROM, CD-R, CD-RW, DVD-R, DVD-RW, DVD+RW, DVD+R. It can record to DVD without a PC and it's a standalone DVD movie player. Why buy a big huge tower PC when funky little external drives are this cool?