I'm looking into this also. Uplift makes a dual monitor mount with a "heavy" option for an extra $35. I may give it a try.
Shop displays and mounts that fit your Mac. Hold your Mac with stands and docks
. Two Monitor Computer Desk Mount Spring Arm Quick Release for Apple and. Mount Adapter Kit for iMac and LED Cinema or Apple Thunderbolt Display.
If you want to look for a monitor mount that can support Apple Thunderbolt 27" display, you need to consider two factorsâ€”weight capacity and VESA .
The Apple Thunderbolt Display is a 27-inch flat panel computer monitor sold by Apple Inc. from. Macbook Pro (2011): 2 Displays: Can daisy chain two Apple Thunderbolt Displays together to get two displays, but the laptop's LCD may turn off.
Apple Thunderbolt Display 27 a 1407 Aluminum Stand Monitor Mount LCD No. Thunderbolt Display A1407 27" Widescreen LCD Monitor w/ Apple Keyboard. vivo Dual LCD Monitor Desk Vertical Stand Mount Fits 2 Screens up to 30". (7).
Our Mac compatible ergonomic monitor arms will help you clear up valuable desk space. The Innovative iLift arm is a great choice for Apple Cinema Displays