It all depends on how impatient you are. Lower burning speed=greater reliability. I write DVD at 2 speed and it takes 30mins to fill a 4.7gb DVD. CDR at 4 speed will take about 15-20 mins to write a full 700MB on a CDR-80.
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
Comment envoyer gratuitement des gros fichiers ?