The LG GGW-H20L Blu-ray/HD DVD drive brings you dual-layer DVD capability, LightScribe creativity, and LG quality. The drive connects via SATA. In dual-layer mode, you can write 8.5 GB of data to one dual-layer DVD, in DVD±R mode, you'll get 16X write speed, and you can burn Blu-ray and play HD DVD media, single or dual layered!