DVD WRITER Write speed : 16X Double layer, 16X DVD+-R, 52X CD-R Rewrite speed : 16x dvd+rw, 16x dvd-r, 32x cd-rw, DVD WRITERWrite speed : 16X Double layer, 16X DVD+-R, 52X CD-RRewrite speed : 16x dvd+rw, 16x dvd-r, 32x cd-rw, Read speed : 16x dvd-rom ,52x cd-rom LightScribe disc labeling technology Compatibility: desktop PCs only One-year warranty