Ala Alba
Originally released in theaters, the Negima FINAL was released in the final limited edition volume of the manga. It was later released on blu-ray.
DVD
Volume 37 Limited Edition
Blu-ray's
These blu-ray releases not only the movie, but the OAD series as well.. In addition, they both contain songs pertaining to each series.
Mahou Sensei Negima! OAD Blu-ray Box
Negima BOX III