Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Display | |
| Pixel pitch | 0.182 x 0.182 mm |
| Contrast ratio (typical) | 1000000:1 |
| Viewing angle, horizontal | 178° |
| Viewing angle, vertical | 178° |
| Aspect ratio | 16:9 |
| Viewable size, horizontal | 69.8 cm |
| Viewable size, vertical | 39.3 cm |
| Display diagonal | 80 cm (31.5") |
| Response time | 0.1 ms |
| Colour depth | 10 bit |
| Display resolution | 4K 3840 x 2160 pixels |
| Display diagonal (metric) | 81.28 cm |
| Touchscreen | ![]() |
| Backlight type | OLED |
| Display technology | LCD |
| Anti-glare screen | ![]() |
| Native aspect ratio | 16:9 |
| HD type | 4K Ultra HD |
| Pixel density | 137.67 ppi |
| Panel type | OLED |
| Screen shape | Flat |
| Display number of colours | 1.073 billion colours |
| High Dynamic Range (HDR) supported | ![]() |
| Display brightness (typical) | 250 cd/m² |
| Colour gamut standard | sRGB |
| Ports & interfaces | |
| HDMI ports quantity | 3 |
| HDMI version | 2.0 |
| HDMI | ![]() |
| HDCP | ![]() |
| DisplayPorts quantity | 1 |
| HDCP version | 2.2 |
| DisplayPort version | 1.4 |
| Headphone out | ![]() |
| Built-in USB hub | ![]() |
| USB hub version | 3.2 Gen 2 (3.1 Gen 2) |
| Number of upstream ports | 1 |
| USB Type-A downstream ports quantity | 4 |
| USB Type-C downstream ports quantity | 1 |
| USB Type-C DisplayPort Alternate Mode | ![]() |
![]() | |
| USB Power Delivery up to | 15 W |
| Weight & dimensions | |
| Width (with stand) | 735.4 mm |
| Height (with stand) | 626.9 mm |
| Depth (with stand) | 245 mm |
| Weight (without stand) | 7.4 kg |
| Height (without stand) | 466.9 mm |
| Width (without stand) | 735.4 mm |
| Depth (without stand) | 54.4 mm |
| Weight (with stand) | 14.8 kg |
| Energy management | |
| Power consumption (typical) | 23.2 W |
| Power consumption (off) | 0.3 W |
| Power consumption (PowerSave) | 0.5 W |
| AC input frequency | 50/60 Hz |
| AC input voltage | 100 - 240 V |
| Energy efficiency scale | A to G |
| Energy efficiency class (SDR) | E |
| Energy efficiency class (HDR) | Not available |
| Energy consumption (SDR) per 1000 hours | 23 kWh |
| European Product Registry for Energy Labelling (EPREL) code | 1701832 |
| Operational conditions | |
| Operating relative humidity (H-H) | 5 - 90% |
| Operating temperature (T-T) | 0 - 40 °C |
| Packaging data | |
| Package weight | 18.2 kg |
| Package depth | 298 mm |
| Package height | 616 mm |
| Package width | 878 mm |
| Package type | Box |
| Ergonomics | |
| Cable lock slot | ![]() |
| Wall mountable | ![]() |
| Height adjustment | ![]() |
| Swivel angle range | -30 - 30° |
| Tilt angle range | -5 - 23° |
| Pivot | ![]() |
| Panel mounting interface | 100 x 100 mm |
| Swivelling | ![]() |
| Pivot angle | -90 - 90° |
| Tilt adjustment | ![]() |
| Cable lock slot type | Kensington |
| VESA mounting | ![]() |
| Adjustable height (max) | 13 cm |
| Packaging content | |
| Stand included | ![]() |
| Other features | |
| Brand specific technologies | Eye Care+ |
| Hardware calibration | ![]() |
| Design | |
| Product colour | Black |
| Detachable stand | ![]() |
| Feet colour | Black |
| Performance | |
| Flicker-free technology | ![]() |
| Low Blue Light technology | ![]() |
| Multimedia | |
| Built-in speaker(s) | ![]() |
| Built-in camera | ![]() |
| Sustainability | |
| Sustainability certificates | ENERGY STAR |
| EAN | 4711387306994 |
| Warranty | 1 year |
The ASUS HA3281A is a 31.5-inch monitor designed for professional applications, particularly in healthcare environments. Its 4K Ultra HD OLED panel provides a native resolution of 3840 x 2160, offering a high level of detail for viewing complex images. The display supports 1.07 billion colors and covers 100% of the sRGB gamut, which is intended for tasks requiring precise color reproduction. The OLED technology facilitates a 1,000,000:1 contrast ratio for deep blacks and a 0.1 ms response time for motion clarity.
Connectivity options include three HDMI 2.0 ports, one DisplayPort 1.4 input, and an integrated USB 3.2 Gen 2 hub with a USB-C upstream port. The monitor is equipped with an ergonomic stand that offers adjustments for height, tilt, swivel, and pivot, allowing for versatile positioning in a workspace. For alternative setups, it is compatible with a 100 x 100 mm VESA mount. To support viewing comfort during extended periods, the screen features an anti-glare surface, flicker-free technology, and a low blue light mode.
Key Features:- 31.5-inch screen with 3840 x 2160 4K Ultra HD resolution
- OLED flat panel with a 16:9 aspect ratio
- 0.1 ms response time
- 250 cd/m² typical brightness and 1,000,000:1 typical contrast ratio
- 10-bit color depth with 100% sRGB gamut coverage
- 3 HDMI 2.0 ports, 1 DisplayPort 1.4 port, and a USB-C hub
- Fully adjustable stand with tilt, swivel, pivot, and height controls
- 100 x 100 mm VESA mount compatible
- Features flicker-free and low blue light technologies
- Measures 735.4 x 626.9 x 245 mm and weighs 14.8 kg with stand
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