If you are referring to a specific video file you've encountered elsewhere:
Today, it is a favorite for retro-tech enthusiasts like those on VOGONS who test it for its "transparent effects" and its role as a cheap second-monitor controller. Possible Alternative Contexts b6326.mp4
It featured a strong MPEG II decoder for its time, making it a decent budget choice for playing DVDs even if it couldn't handle high-end games. If you are referring to a specific video
Despite being a "speed monster" in reverse, it sold over 7 million units in 1998. Its success came from being dirt cheap and integrated into countless office motherboards where 3D gaming wasn't the priority. Its success came from being dirt cheap and
Some search results link "B6326" to documentation for the A46 Newark Bypass project in the UK, where it serves as a location or reference code.
The string sometimes appears in automated log files for video transcoding (e.g., /storage/6563-3262/.../VID_...mp4 ), which may be where a filename like "b6326.mp4" originated in a technical sense.
Released by Silicon Integrated Systems (SiS) in June 1997, the 6326 chip was widely mocked for its abysmal 3D performance compared to competitors like 3dfx or Nvidia.