AOPEN
AOPEN by Acer 31.5 Inch 4K UHD ZeroFrame Home & Office Monitor | AMD FreeSync | Ultra-Thin Stylish Design | HDR 10 | 4ms G to G | Low Blue Light | Tilt | DP 1.2 & 2 x HDMI 2.0
$149.99
Last updated Jul 28, 2026 at 2:32pm
AOPEN
About this product
About this item 31.5" 4K UHD (3840 x 2160) Widescreen VA Display | Ultra-Thin with ZeroFrame
AMD FreeSync Technology
Refresh Rate: 60Hz | Response Time: 4ms (G to G) | HDR 10 Support
VESA mounting compliant (75 x 75mm) | Ergonomic Tilt: -5° to 15°
Ports: 1 x Display Port 1.2 & 2 x HDMI 2.0 Ports (HDMI Cable Included)
Price History
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Specifications
| Aspect Ratio | 16:9 |
| Screen Finish | Matte |
| Contrast Ratio | 100,000,000:1 |
| Refresh Rate | 60 hertz |
| Display Type | LCD |
| Display Technology | LCD |
| Viewing Angle | 170 degrees |
| Brightness | 250 Nits |
| Picture Quality Enhancement Technology | AOPEN VisionCare, AOPEN BlueLightShield™ |
| Screen Size | 31.5 inches |
| Item Dimensions D x W x H | 8.81"D x 28.15"W x 20.18"H |
| Item Weight | 12.3 pounds |
| Resolution | 4K UHD 2160p |
| Display Resolution Maximum | 3840 x 2160 |
| Native Resolution | 3840x2160 |
| Voltage | 5 |
| Connectivity Technology | DisplayPort, HDMI |
| Hardware Connectivity | HDMI |
| Adaptive Sync | FreeSync |
| Additional Features | Frameless, Tilt Adjustment |
| Specific Uses For Product | Business, Gaming, Personal |
| Color | Black |
| Mounting Type | Wall Mount |
| Compatible Devices | Devices with HDMI or DisplayPort connectivity |
| Warranty Type | 3 Years Manufacturer Limited Warranty |
| Shape | Flat |
| Brand | AOPEN |
| Model Number | UM.JS2AA.003 |
| Model Name | AOPEN 32SA2QK biip |
| Warranty Description | 3 year parts and labor |
| UPC | 195133225793 |
| Manufacturer | Acer |
| Best Sellers Rank | #53,927 in Electronics ( See Top 100 in Electronics ) #1,354 in Computer Monitors |
| ASIN | B0CK9FZRLT |
| Customer Reviews | 3.8 out of 5 stars |
| Response Time | 4 milliseconds |
| Total Number of HDMI Ports | 2 |
| Number of Component Outputs | 2 |
