ASUS C422AQ 21.5 LED ASUSPRO Monitor ASUS C422AQ 21.5in Widescreen IPS LCD Monitor, 5ms, 1920 x 1080, ASCR ... Please ensure that your original part number matches this exactly, or check with the manufactuer for compatiblity. Customers are responsible for compatiblity. This part is guaranteed to be fully functional, original and authentic. ASUS C422AQ 21.5in Widescreen IPS LCD Monitor, 5ms, 1920 x 1080, ASCR ...