GiliSoft RAM Disk can be useful for After Effects cache workflows on Windows when preview files, disk cache, and other short-lived composition data need faster temporary storage than the main project drive.
Preview-heavy motion workflows often create large amounts of temporary cache that are repeatedly regenerated. A RAM-backed drive can be a good fit for the temporary layer when those files are disposable and performance matters during active work.
This page is strongest for users specifically thinking about After Effects cache and preview-heavy temporary workflows rather than general media editing.