https://www.newegg.com/p/2U5-030U-000B5
WALI Quad Monitor Stand, Height Adjustable Free-Standing Monitor Desk Mount, fits 4 Computer...
Buy WALI Quad Monitor Stand, Height Adjustable Free-Standing Monitor Desk Mount, fits 4 Computer Screens up to 27 Inch, Holds up to 22lbs per Screen (GMF004)...
quad monitor stand
https://www.startech.com/en-ca/display-mounting-ergonomics/armquadss
Desktop Quad Monitor Stand - Ergonomic VESA 4 Monitor Arm (2x2) up to 32" (17.6lb/8kg) - Free...
Desktop Quad Monitor Stand - Ergonomic VESA 4 Monitor Arm (2x2) up to 32" (17.6lb/8kg) - Free Standing Articulating Universal Pole Mount - Height...
https://www.officedepot.com/a/products/374459/Amer-Stand-desk-clamp-mount-for/;jsessionid=0000lhnJ8fI5B4Uh2OBol0GSth7:17h4h7c4g
Amer Mounts Quad Monitor Stand Mount 2 over 2 Supports Flat Panel Sizes 15 to 24 AMR4SU - Office...
Aluminum Alloy Structure Arm Angle Adjustment 90 Degree Monitor Rotation Height Adjustment Cable Management Easy Installation VESA Mounting 100 10075X75...
https://www.startech.com/en-dk/display-mounting-ergonomics/armquadss
Desktop Quad Monitor Stand - Ergonomic VESA 4 Monitor Arm (2x2) up to 32" (17.6lb/8kg) - Free...
Desktop Quad Monitor Stand - Ergonomic VESA 4 Monitor Arm (2x2) up to 32" (17.6lb/8kg) - Free Standing Articulating Universal Pole Mount - Height...