Review on Hassle-Free Acer Monitor VESA Mount Adapter Bracket - Compatible with G226HQL, G246HYL, G247HL, G277HL, G277HU, S200HQL, S200HL, S220HQL, S230HL, S232HL, S240HL, S242HL by Dianna Oden

I have the S200HQL as a small second monitor and this mount fits it. It's mostly stable, it rotates a bit and the stabilizer helps it not wobble as much. It doesn't sit flush due to the monitor's oddly shaped rear, but there's plenty of room to move the bar around and get fairly even pressure on it. I've deducted 2 stars for that reason. mine did NOT come with the included spacers which should have been. Mounting the S200HQL is not possible (at least not safely) without spacers. The screw went in very weakly and may not have held it at all. Luckily I managed to find a couple of washers that worked quite well. If I didn't have them I would have to wait for the seller/manufacturer to [hopefully] send them to me or I would have to go out and buy them. It would have been a 5 star rating (4 stars if I didn't get the parts but didn't need them) if the kit had included the spacers it was supposed to have. Bravo to the manufacturer for developing an adapter that allows the monitor to do what it wasn't originally intended to do. This saved me the purchase of another additional monitor. EDIT 3/4/18: I've decided to downgrade it to a 5 star rating due to the great customer service I received and the compensation for the missing pads. I have no doubt that if I needed the pads sent to me they would take care of me quickly. But a tip: make sure you have the spacers you need before you start the assembly. :)