Model S3221QSA | 31.5″ | Business/4K/Curved | Panel VA | Resolution 3840×2160 | Form factor 16:9 | Refresh rate 60Hz | Brightness 300 | Contrast 3000:1 | Display Matte | Response time 4 ms | Horizontal 178 degrees | Vertical 178 degrees | Displayable colours 1070 million | 2xHDMI | 1xDisplayPort | 2xUSB 3.0 | 1xUSB 3.0 type B | Speakers | Height adjustable | Tilt | 100 mm x 100 mm | Kensington lock | Colour Silver