Sony DRX510UL 4x USB 2.0 DVD&plusmn;RW Drive High-speed external USB 2.0 DVDRW Drive Features 4x write, 2.4x rewrite, and 12x read speeds for DVD+RW; 4x write, 2x rewrite, and 12x read speeds for DVD-RW; 24x write, 16x rewrite, and 32x read speeds for CD 8 MB buffer Includes Veritas RecordNow DX. Vertias DLA, Veritas Simple Backup, Sonic Solutions MyDVD, ArcSoft ShowBiz, Cyberlink PowerDVD, MusicMatch Jukebox Compatible with Windows 98SE, 2000, Me, and XP