The 4K Blu-ray is widely considered the "gold standard" for this movie due to its high bitrate and uncompressed audio. If you're interested, I can:
Google provides the official Nolan-approved transfer. You can rent it in 4K for $3.99. The audio is lossless (compared to the AAC 128kbps junk on DownloadHub). downloadhub interstellar full
: The IMAX-filmed sequences deserve the biggest display possible. Sound Matters The Review: The Impossible Dream, Rendered in 480p