NeoNight

I noticed I can burn at 4x is it ok to do so or would the burn fail? I'am using a DL DVD-R verbatim double couche inscriptible for DL ver 3.0 this is what I see in image burn _NEC DVD_RW ND-3520AW 2.U5 (ATA) Current Profile: DVD-R DL Disc Information: Status: Empty Erasable: No Free Sectors: 4,171,104 Free Space: 8,542,420,992 bytes Free Time: 926:56:54 (MM:SS:FF) Supported Write Speeds: 2x, 4x DVD