first thing ya need to do me old coconut is not type in capitals its hard to read and is deemed to be shouting...
Couple of things you could try different media (might just be the discs) or a slower write speed..
Surface Pro (2017) vs Surface Pro 4
20 groundbreaking 3D animation techniques
How to mine Bitcoin on Mac
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.