LG GSA-H55N
LG’s <a href="http://uk.lge.com/prodmodeldetail.do?actType=search&page=1&modelCategoryId=050204&categoryId=050204&parentId=0502&modelCodeDisplay=GSAH55N&model=NOTHING#">GSA-H55N</a> DVD rewriter features <a href="http://www.securdisc.net/">SecurDisc</a> technology that provides data protection and authentication through a combination of drive hardware and software encryption. The GSA-H55N is described as a ‘Super Multi’ drive because, in the manufacturer's words, it is 'all DVD and CD formats compatible', including dual-layer DVD.