Got the Arc Stealth Pro to mount a PRISM+ W340U PRO. This arm is strong... so strong that I'm sure Prism sends it to the gym!
Weight of the screen isn't a problem - the arm has been holding up the screen and its tilt without any shifting / movement for the past week and no adjustments have been required so far.
The arm is attached to a Vantage Ascend Dual to get the necessary height and horizontal reach to be hoisted directly above my iMac.
Fast delivery - ordered on Tuesday at the Suntec roadshow and it was delivered on Thursday morning.
They are my first monitor arms so I don't have a lot of compared them with. My experience has been positive. Delivery was quick and set up was easy. I really like the modular style, I can even add on a third arm later on. Once set, the monitors stay in place, no wobbling around. Overall, very happy with the purchase.
Great add on Arc Stealth Pro arm to the Vantage Ascend Dual. Really glad it was compatible as I needed the extra height and horizontal reach