MD9442:Compatibility - Dual monitor mount ideal for most screens up to 27" and 22lbs each with 75x75mm or 100x100mm backside mounting holes.
MD8SP:Compatibility-Suptek dual monitor mount is perfect for most most 17 inch to 32 inch LCD screens and computer monitors,weigh up to 22lbs,with 75x75mm or 100x100mm backside mounting holes.
MD9442:Fully aticulation - Rotate 360°, tilt ±90° up and down, swivel ±90° left and right, height adjustment along the center pole.
MD8SP:Full motion-The gas spring provides a smooth adjustment motion.Easy height adjustment, rotate 360°, tilt ±80° up and down, swivel ±180° left and right.
ALL:Two install options - C-clamp and optional grommet base save your valuable desk space(fits desk up to 3.85" thickness).