| Colour | Black |
| Connections | DVI, VGA (HD-15) |
| Diagonal Display Size | 21.5 in |
| Loudspeaker | None |
| Max Resolution | 1920 x 1080 |
| Response Time (ms) | 5 ms |
- A beauty to behold
- Acer EcoDisplay
- Thrilling imaging performance
- Visual precision high contrast
- Acer eColor management
The 21.5" Acer S221HQL monitor showcases an ultra slim, space-conscious design, with special attention paid to eco-friendliness via energy-saving white LED backlighting and more.