LG Ultra Slim Portable Blu-ray Burner WP50NB40 - Portable Archival

In this review the LG WP50NB40 is assessed as a compact external Blu-ray writer aimed at users who need reliable optical burns and long-term archival storage. The biggest reason to buy is its combination of slim portability and support for the BDXL 100GB format, which lets a single disc replace many DVDs for backups. The unit ships as a bundle with a 100GB BDXL disc and burning software, and the review focuses on real-world usability, compatibility and the drive's archival strengths.

Key Features

• BDXL 100GB support: The included 100GB BDXL disc provides very high capacity, allowing one disc to store the equivalent of about 21 DVDs for long-term backups.
• M-DISC compatibility: The bundle includes an M-DISC capable media layer concept that promises far greater durability than organic dye discs for archival storage.
• Portable slim design: The ultra slim black enclosure and USB 2.0 connection make it easy to carry and connect without adding desktop clutter.
• Cross-platform use: The drive supports Mac OS X (10.7.5 or higher) and Windows XP and newer, and users report it runs without drivers on macOS and Linux in many cases.
• Balanced burn/read speeds: Maximum burn and read speeds up to 6x for BD-R and BD DL, and up to 24x for CD-R, offering reasonable performance for optical media tasks.
• Included software and accessories: The retail box includes a USB 2.0 cord, installation disc and quick guide plus Cyberlink burning software for immediate use.

Who It's For

This drive suits photographers, small business owners and home users who need compact external optical burning and archival capability without a bulky desktop unit. If you archive large photo libraries, project files or system images, the 100GB BDXL disc and M-DISC technology are the main draws.

Users who rely on the absolute fastest multi-layer burning throughput or need native USB 3.0 throughput for the highest possible speeds should look elsewhere; the WP50NB40 uses USB 2.0 connectivity which limits transfer bandwidth compared with newer external drives.

Pros & Cons

Pros

• Reliable optical writing performance and strong customer reports of ease of installation and functionality.
• Supports BDXL and M-DISC media, enabling high-capacity, long-term archival storage on a single disc.
• Compact, ultra slim black housing and included cables/software make it convenient for travel and immediate setup.
• Broad compatibility with Mac and Windows systems and reported driverless operation on some macOS and Linux setups.

Cons

• USB 2.0 interface limits throughput compared with USB 3.0 external drives, so large burns may be slower.
• Buffer is modest at 4MB, so extremely bursty data streams may not be ideal without using the drive's underrun prevention feature.

Specifications

Model	LG WP50NB40
Included media	1 pack 100GB BDXL (M-DISC compatible)
Interface	USB 2.0
Max burn speeds	BD-R 6x, DVD-R/+R 8x, CD-R 24x
Max read speeds	BD-R 6x, DVD-R/+R 8x, CD-R 24x
Buffer	4MB with buffer under-run prevention
Compatibility	Mac OS X 10.7.5+, Windows XP SP3 and newer

Our Verdict

The LG WP50NB40 is a sensible choice for anyone needing a portable, reliable Blu-ray writer with true archival capability thanks to BDXL and M-DISC support. It offers excellent ease of use, cross-platform compatibility and a compact design, making it good value for users who prioritize long-term storage over top-tier transfer speeds.

Frequently Asked Questions

Does this drive need drivers on macOS?
Many users report it runs without drivers on macOS and Linux, though the included installation disc provides software for supported Windows and Mac setups.

What capacity does the included disc provide?
The bundled BDXL media is 100GB, roughly equivalent to about 21 standard DVDs on one disc for archives.

Can this drive write M-DISC for permanent storage?
Yes, the drive supports M-DISC compatible writing which uses a rock-like data layer intended for long-term durability.