RTX Supports USD Meshes and Subdivision Surfaces (OpenSubdiv).
RTX supports USD Geom Points, a specific geometric primitive intended for rendering tiny particles such as as rain, dust, and sparks.
RTX supports the rendering of basis curves in USD along with the ability to author them. From hair to camera tracks, curve support grants greater flexibility in workflow for artists, developers and engineers alike.
RTX supports Open VDB volumes as textures using MDL.