Visit Amazon site : http://www.amazon.com/gp/product/B0007INC7I?tag=gallianostore-20

Sony DRX720UL External USB 2.0/i.Link DVD R Double Layer/DVD RW

Ultra-fast 16X max Double LayerDual Format DVD burner
16X max DVDRRW and Double Layer DVD burning
Includes Nero 66 Software Suite
Works with 47GB DVDRRW and 85GB Double Layer Discs
Compatible with Windows 2000 or Windows XP Home or Professional Operating Systems