Here are the top 21-inch monitors you can buy

The HP M22f monitor features a 21.5-inch Full HD display with a 75Hz refresh rate. It has an always-on blue light filter that will keep your eyes comfortable. The monitor has also been made with 85% recycled materials and 5% recycled ocean bound plastics. Gamers can consider this monitor as it has AMD FreeSync technology for tear-free and lag-free gaming. It is also recommended for photo and video editing as it has sRGB color gamut.The HP M22f monitor is a good value for money option.

This is a 21.5-inch gaming monitor from Acer. It has a Full HD display with a 178-degree viewing angle. The Acer Nitro QG221Q has a 75Hz refresh rate and AMD FreeSync technology that helps reduce screen tearing and lag for a smooth gaming experience. There are also Acer Game Modes for different types of games and content. You also get one VGA port and one HDMI port with this monitor.In addition to gaming, the Acer Nitro QG221Q monitor is recommended for personal use as well.

The LG 22MK600M monitor has a 21.5-inch Full HD display with a 178-degree viewing angle. It has a 3-side borderless design and a stand that comes with a tilt adjustment. The monitor also has AMD FreeSync technology, and features like Black Stabiliser, Dynamic Action Sync and Crosshair for gaming. In terms of ports you get two HDMI ports, a headphone jack, and a D-sub port.The LG 22MK600M monitor is recommended for people who want a monitor for gaming and personal use.

This is a good looking 21.5-inch monitor for Acer that you can go for. The Acer HA220Q has a 21.5-inch Full HD display with thin bezels on all three sides, and a 178-degree viewing angle. It comes with eye care features like Blue Light Shield, Flickerless, and Comfyview. You also get a 75Hz refresh rate, and AMD FreeSync technology for gaming. There are two 2W stereo speakers, one HDMI port, and one VGA port with this monitor.The Acer HA220Q is a good looking monitor that you can go for.

The Lenovo L22i-30 features a 21.5-inch Full HD anti-glare display with a 75Hz refresh rate and a 178-degree viewing angle. This monitor too has a 3-side borderless design and a metallic stand with a phone holder. It also has a 4ms response time, and AMD FreeSync technology for a tear-free and lag-free gaming experience. The monitor has low blue light technology, and is flicker-free for eye comfort when you’re using it for long hours.The Lenovo L22i-30 is a budget friendly compact monitor that you can consider.

The Lenovo D22-20 monitor has a 21.5-inch Full HD display with a 75Hz refresh rate. It has a flicker-free display and anti-glare display with a 5ms response time that minimises motion blur. The monitor comes with one HDMI port, one VGA port and audio-out ports. It also has an adjustable front and back tilt stand, and it can be wall mounted.The Lenovo D22-20 is another 21.5-inch monitor that you can consider.