Ultrawide Compatibility: Experience dual-screen efficiency with an ultra-wide monitor and laptop on one stand. Fits ultrawides up to 49 in size and 44 lbs in weight with VESA 75x75mm or 100x100mm mounting holes Ventilated Laptop Tray: Width adjusts to fit your laptop with rubber tabs that keep the device secure and protected. The ventilated tray provides airflow to prevent overheating. Fits laptops 10 to 15.6 and up to 11 lbs