- 21.5-inch Full HD (1920 x 1080) LED backlight display with IPS 178° wide viewing angle panel
- Extensive connectivity including HDMI and D-sub ports.
- ASUS Eye Care monitors feature TÜV Rheinland-certified Flicker-free and Low Blue Light technologies to ensure a comfortable viewing experience
C2221HE Business Monitor
ASUS C2221HE business monitor features 21.5-inch with sleek and frameless design, perfect addition to any home or office. IPS technology with stunningly wide 178° viewing angles, TÜV Rheinland-certified Flicker-free and Low Blue Light technology, up to 75Hz refresh rate plus Adaptive-Sync/FreeSync™ technology to eliminate screen tearing and choppy frame rates for even more comfortable and smooth gameplay. Compatible with VESA Wall Mount Standard (100 x 100 mm) to save on desktop space.
Lifelike views with 178° wide view angle
Full HD resolution and frameless IPS panel provides 178° viewing angles, both horizontally and vertically, so you can enjoy its beautiful visuals from almost any direction.
Perfect for multi-display setups
Whether you're playing games, watching a movie, or getting some work done, the frameless design creates the virtually seamless multi-display setup, giving users a panoramic display for even higher productivity.
Protect your eyes with ASUS Eye Care Technology
ASUS Blue Light Filter
The TÜV Rheinland-certified ASUS Blue Light Filter protects you from harmful blue light. It‘s easy to access, intuitive and flexible with seamless adjustment (0 to Maximum) via the OSD menu.
Flicker-free Technology
It's time to say goodbye to those tired, strained eyes. TÜV Rheinland-certified ASUS Flicker-Free technology to reduce flicker for a comfortable viewing experience. This technology helps minimize instances of eyestrain and other damaging ailments, especially when you spend long, countless hours in front of a display watching favorite videos.
Rest Reminder
It's time to take a break
Taking a brief 10-minute rest every half hour or so, or adopting the 20-20-20 rule, can help prevent eye strain. ASUS Eye Care Technology features Rest Reminder to help users set pop-up reminders onscreen, noting when it’s time to step away from the screen.
- Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
- All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
- Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
- PCB color and bundled software versions are subject to change without notice.
- Brand and product names mentioned are trademarks of their respective companies.
- The terms HDMI and HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.
- The actual transfer speed of USB 3.0, 3.1, 3.2, and/or Type-C will vary depending on many factors including the processing speed of the host device, file attributes and other factors related to system configuration and your operating environment.



