The Samsung WMN-46VD is a 46" wall mount sized specifically for Samsung SMART Signage UD/UE series video walls. Because the mount is sized to the video wall, you install the mount first and then fit the video wall into it. Technical values stated by Samsung: VESA 400 x 400, 600 x 400 and 400 x 600 mm, product size 1213 x 539.8 x 39 mm landscape and 684 x 539.8 x 39 mm portrait (W x H x D), package weight 10.4 kg.