Updated: Dec 30, 2020
There are crucial differences between each frame type. Make sure the frame can support the size you're looking for and your space.
Which one do you choose? Choose the one that best fits your needs. For most people with just a screen or two and who don't need a large tabletop space, the P, or S series is more than enough. If you're a professional multi-tasker and gamer, the X or L might be more suitable with the heavier lifting capacity and can accommodate a much larger desk size.