No, you cannot securely mount your Samsung Odyssey G5 G55T (34 inch) to it. The mount supports VESA 75x75 or 100x100 mm, max. 40 inch 16:9 or 43 inch ultrawide and 10 kg payload, but the Odyssey G55T typically has VESA 100x100 mm and weighs over 10 kg (approx. 8-12 kg depending on model). Check the exact specs of your monitor and consult our Community for more details.