For iMAC buy this in white SMMA1027 and combine with SSA1007 for a monitor arm solution

The SMMA1014/27 is constructed primarily from die cast aluminum and is integrated with innovative counterbalance technology. The arm can hold screen up to 9kgs (19.8lbs). The built-in gas spring can be easily be adjusted to take varied weights that the arm holds. The advanced VESA plate includes -40° to +90° of fingertip tilt that enables both sit to stand and touch screen applications. The plate also allows 360° landscape to portrait viewing. A hidden cable management integrated in arm easily
conceals cables beneath channel covers.

• All metal construction
• Clamps to desktop or through-hole mounted
• Internal Spring
• Available in black

Data Sheet

Installation Manual