LG/Samsung 24 Speed SATA DUAL LAYER 
The dual layer DVD writer writes and re-writes all your data on a range of
media at exceptional speed. Capable of
writing DVD-R and DVD+R at a speed of 22x, you can burn one hour of DVD in
about 4 minutes. What is more, the dual layer compatibility will allow you
to store up to 8.5 GB of data on one disc. Burn & Play DVD's - Burn & Play
CD's
Upgrades available are....
Blu-ray™ Disc Combo Internal SATA 12x Super Multi Blue LightScribeTM with 3D Play back.
The CH12LS28 is LG’s internal dual format high definition drive that has the capability to read and play different Blu-ray formats. The CH12LS28 also reads and writes in three types of DVD formats in one convenient package – DVD+R, DVD-R and DVD-RAM.
10x Blu-ray Disc Rewriter
Read and write Blu-ray discs at 10x with the BH10LS30 Blu-ray rewriter that allows you record files, photos, or business documents onto a single dual layer BD-R Blu-ray disc. Play HD content from BD Video discs or record up to nine hours of high definition video. SATA interface technology allows for easier integration and ultimately faster performance while LightScribe gives you the added feature of etching customized labels onto a special coated LightScribe discs (sold separately). Get into the Blu with the BH10LS30 by LG.
The DVD ROM reads & writes CD's & DVD's and plays BluRays
The DVD Burner reads & writes CD's & DVD's and also plays & burns BluRays