I suppose I shouldn't buy from OWC, because they state flat out that Apple's DVD Player application only works with an internal optical drive or the Apple's external SuperDrive. To play DVDs with this drive, we recommend the free VLC Player, which can be downloaded from http://www.videolan.org/vlc/.Not only that but their M Disk only protects your data from degradation and loss for 1,000 years or more. Whatever happened to solid warranties? 
ryck
"What Were Once Vices Are Now Habits" The Doobie Brothers
iMac (Retina 5K, 27", 2020), 3.8 GHz 8 Core Intel Core i7, 8GB RAM, 2667 MHz DDR4
OS Sonoma 14.4.1
Canon Pixma TR 8520 Printer
Epson Perfection V500 Photo Scanner c/w VueScan software
TM on 1TB LaCie USB-C
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