Purchased this in 2015 and never used.

Ultra Slim 0.55 in Portable DVD Writer Drive USB 2.0 interface (up to 480Mbits /s, USB 3.0 Compatible) Max 8x DVD±R Write Speed Max 24x CD Write Speed M-DISC Support CD Family and DVD-ROM Read Compatible Buffer Under-Run Prevention Function Embedded Support TV Connectivity RoHS Compliant

LG has firmware updates available for this on their support website.