Everytime I use this I expect my coworkers to react with "how did you find that so fast!?" and I can share the magic with them, but they're probably just thinking about what to order for lunch.
I could be wrong, but I believe it searches the MFT directly rather than having to index files on disk, making it a lot faster. Everything would be faster for network drives because of this though.
[0] https://www.voidtools.com/