Conclusion: Let us summarise the most important positive and negative points below: The LG BP40NS20 is a very impressive drive, it comes with a good software package, but most importantly it comes loaded with the latest technology. The drive can burn BDXL discs at 4x, it supports burning of MDISCS, and if you have the right hardware you can also enjoy 3D movies.
Pros: USB Powered, Excellent write quality with DVD±R media., Excellent CD-R writing quality., Sleek and stylish design, Excellent reading reliability., Supports 3D, BDXL and MDISC., Very good software bundle.
Conclusion: The BP40NS20 is a good example of what we've come to expect from LG's portable Super Multi Blue drives. Along with a good looking, compact design, this new Blu-ray Disc writer offers some of the fastest reading and writing speeds available on a portable drive as well as features like support for Millenniata's M-DISC technology. The BP40NS20 performed relatively well when writing to BD-R and BD-R DL media at 6x.
Pros: Writes to BD-R, BD-R DL and BD-R LTH media at 6x, Writes to BD-R TL media at 4x, Writes to BD-RE, BD-RE DL and BD-R TL media at 2x, Writes to DVD±R media at 8x, Writes to DVD+RW media at 8x, Writes to DVD-RW media at 6x, Writes to DVD±R DL media at 6x, Writes to M-DISC media at 4x, Reads single layer BD-ROM's at 6x, Reads BD-R, BD-RE and BD-R DL media at 6x, Reads single layer DVD-ROM's at 8x, Reads DVD±R, DVD±RW and DVD±R DL media at 8x, Reads and writes to DVD-RAM m...
Cons: Problems burning M-DISCs, High access times, Cannot set the book type of DVD+R or DVD+RW media, Overburns to only 95:10