Note that the majority of tests and durability claims about M-DISC (particularly about the special recording layer) are about M-DISC DVD-Rs. Although manufactur

Note that the majority of tests and durability claims about M-DISC (particularly about the special recording layer) are about M-DISC DVD-Rs. Although manufacturer likes to conflate them in marketing, it's not clear whether the M-DISC BR-Rs are any different than regular HTL BD-Rs.