If you have or are looking for a standard high-quality rip, here is what the technical profile usually looks like:
This refers to the method of storing 3D video. In an SBS file, the frame is split horizontally down the middle. The left half of the screen contains the image for your left eye, and the right half contains the image for your right eye. Harry Potter and the Deathly Hollows Part 2 3D SBS.mkv