LaCie 301484U Desktop 22x DVD+-RW Drive Supports 8.5GB DVD+-R DL; 4.7GB DVD+-R/RW; 700MB CD-R; 650MB CD-RW Hi-Speed USB 2.0 and FireWire DVD speeds (Write, Rewrite, Read) - +RW - 22x8x16x / -RW - 22x6x16x / +-R DL - +R 16x, -R 12x / CD speeds (Write, Rewrite, Read) - 48x32x48x Unit Dimensions (WxHxD) - 9.89 x 6.80 x 1.76 in. / 251.1 x 172.8 x 44.8 mm; Weight - 3.09 lbs. / 1400 g System Requirements - FireWire- or USB-equipped computer