Likely a leftover descriptor from a video file or a projected download time on a legacy connection.
What (e.g., Windows 11, Windows 10) are you using? 25 Minutes 225 Megabytes Driver Download
It’s not your imagination – drivers are getting larger. A graphics driver that was 150 MB in 2015 is now often over 600 MB. Why? Likely a leftover descriptor from a video file