A:Answer Hi gackdeux! Thank you for your question. On the 85" Q80A TV, the distance from the top mounting holes to the top of the TV is 8.2". The distance from the bottom mounting holes to the bottom of the TV is 18.4". The distance from the mounting holes to each side of the TV is 25.4".
Please keep an eye on Samsung's available Support Guides & User Manuals, as these are continuously updated to include each TV model size. The User Manual is available to you on Samsung's website now! You can find this on Samsung's website by clicking "Support" > "Manuals & Software" > "TVs & Home Theater" > "TVs". From there, you can select the Q80A TV under "4K QLED TVs" and download the User Manual, as well as the E-Manual. The E-Manual is also available directly on your TV at: Settings > Support > Open e-Manual. Should you have further questions, please reach out to Samsung Support at: 1-800-SAMSUNG (ask for TVs), available 8AM -12AM EST, 7 days a week, text HELP to 62913, LiveChat on Samsung.com, or Email: https://www.samsung.com/us/support/#contact_us_for_support. We look forward to hearing from you! ^Gina