Full Details from Amazon.com : http://www.amazon.com/gp/product/B00078CTPY?tag=onigi-20
Sony DRU-720A Internal DVD R Double Layer/DVD RW (4X R 16X RW 8X-R)
Ultra-Fast 16X max Double LayerDual Format DVD Burner
Works With 47 GB DVDRRW and 85 GB Double Layer Discs
Record Up To 4 Hours Of Video on Double Layer Discs
16X max DVDRRW Double Layer DVD Burning
Compatible with Windows 2000 or Windows XP Home or Professional Operating Systems