Vibrant Visuals. Smooth Performance. Everyday Efficiency.

Upgrade your workspace with the Acer EK221Q J0bi (UM.WE1ST.003), a 21.5-inch Full HD monitor engineered to blend everyday productivity with smooth entertainment. Featuring a crisp 1920x1080 resolution and an upgraded 120Hz refresh rate, this display eliminates motion blur and stuttering, making it an excellent choice for fluid office workflows, study sessions, and casual gaming.

Built with a high-contrast Vertical Alignment (VA) panel, it serves up deep blacks and brilliant whites alongside ultra-wide 178° viewing angles. No matter where you sit, your colors remain true and vivid. Combined with a sleek, minimalist design, it fits seamlessly into any home or corporate office setup.

Key Features

Fluid 120Hz Refresh Rate: Experience ultra-smooth scrolling, reduced lag, and more responsive transitions compared to standard 60Hz displays.
Deep VA Panel Contrast: A native 3,000:1 contrast ratio delivers richer blacks and punchier details for an immersive viewing experience.
1ms Response Time (VRB): Minimizes ghosting and trailing during fast-paced video playback or casual gaming sessions.
Adaptive-Sync Technology: Synchronizes your monitor's framerate with your graphics card to effectively eliminate screen tearing and choppy frame rates.
Acer VisionCare™ Protection: Work or play longer without the strain. Built-in BlueLightShield and Flickerless technologies protect your eyes from fatigue.
Versatile Connectivity: Equipped with both HDMI and VGA ports, offering easy plug-and-play compatibility with newer laptops, desktops, and legacy machines.

Technical Specifications

Specification Element	Product Details
Model Name	Acer EK221Q J0bi
Part Number	UM.WE1ST.003
Screen Size	21.5 inches (54.6 cm)
Panel Type	VA (Vertical Alignment)
Native Resolution	Full HD 1920 x 1080
Aspect Ratio	16:9
Refresh Rate	Up to 120Hz (via HDMI) \| 60Hz (via VGA)
Response Time	1ms VRB (Visual Response Boost)
Brightness	250 cd/m² (nits)
Static Contrast Ratio	3,000:1 (Native)
Color Support	16.7 Million Colors (99% sRGB)
Viewing Angles	178° Horizontal / 178° Vertical
Tearing Prevention	Adaptive-Sync Technology
Input Ports	1 x HDMI, 1 x VGA (D-Sub)
Ergonomics	Tilt Support (-5° to 15°)
VESA Wall Mount	Yes (100 x 100 mm)

Acer EK221Q J0bi 21.5" Full HD 120Hz Monitor (UM.WE1ST.003)