Bu40n 1.00 Firmware | Hot 2025 |

For those looking to back up their 4K Ultra HD Blu-ray collections to a media server (e.g., Plex or Jellyfin), the BU40N with firmware 1.00 is considered the "gold standard" for LibreDrive compatibility.

: Never cross-flash firmware between desktop drives and slim drives like the BU40N; doing so will likely brick your hardware. : Community-standard tools for this process include the SDFtool Flasher MakeMKV firmware pack BU40N - Which firmware is best? - Page 2 - www.makemkv.com bu40n 1.00 firmware

Open MakeMKV. Look at the "Drive Information" panel. Note the "Firmware version." If it is 1.00, you are done. If it is higher (e.g., 1.03 or 1.14), proceed. For those looking to back up their 4K