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HA3281A
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Display

Panel Size (inch) : 31.5
Aspect Ratio : 16:9
Resolution : 3840x2160
Pixel Pitch : 0.182mm
Display Viewing Area (H x V) : 697.92 x 392.58 mm
Display Surface : AGLR (Anti-Glare, Low-Reflection)
Panel Type : OLED
Viewing Angle (CR≧10, H/V) : 178°/ 178°
Brightness (Typ.) : 250cd/㎡
Contrast Ratio (Typ.) : 1,000,000:1
Display Colors : 1073.7M (10 bit)
Response Time : 0.1ms(GTG)
Flicker-free : Yes
Panel Size (inch) : 23.8
Aspect Ratio : 16:9
Display Viewing Area (H x V) : 527.04 x 296.46 mm
Display Surface : Anti-Glare
Backlight Type : LED
Panel Type : IPS
Viewing Angle (CR≧10, H/V) : 178°/ 178°
Pixel Pitch : 0.2745mm
Resolution : 1920x1080
Brightness (Typ.) : 250cd/㎡
Contrast Ratio (Typ.) : 1000:1
Display Colors : 16.7M
Response Time : 1ms MPRT
Refresh Rate (Max) : 75Hz
Flicker-free : Yes

Video Inputs

USB-C x 1 (DP Alt Mode)
HDMI(v2.0) x 3
DisplayPort 1.4 x 1
USB-C Power Delivery : 15W
USB Hub : 4x USB 3.2 Gen 2 Type-A
Earphone Jack : Yes

Accessories (vary by regions)

Cable Clip
Color pre-calibration report
DisplayPort cable
Ergonomic Stand
HDMI cable
Power adapter
Power cord
USB-C cable
Warranty Card
HDMI cable
Power cord
Quick start guide
Warranty Card

Signal Frequency

Digital Signal Frequency : 30~85 KHz (H) / 48~75 Hz (V)

Power Consumption

Power Consumption : < 23.2W
Power Saving Mode : < 0.5W
Power Off Mode : <0.3W
Voltage : 100-240V, 50/60Hz
Power Consumption : 12.1 W
Power Saving Mode : <0.5W
Power Off Mode : <0.3W
Voltage : 100-240V, 50/60Hz

Sensor

Embedded Colorimeter : Yes (Support Self-Calibration)
Ambient Light Sensor : Yes
Proximity Sensor : Yes

Mechanical Design

Tilt : Yes (+23° ~ -5°)
Height Adjustment : 0~130mm
Pivot : Yes (+90° ~ -90°)
Swivel : Yes (+30° ~ -30°)
VESA Wall Mount : 100x100mm
Kensington Lock : Yes
Tilt : Yes (+23° ~ -5°)
Height Adjustment : No
VESA Wall Mounting : 100x100mm
Kensington Lock : Yes

Note

*Box dimension is depending on actual size.

Weight (Esti.)

Net Weight : 14.8 kg (32.63 lbs)
Net Weight without Stand : 7.4 kg (16.31 lbs)
Gross Weight : 18.2 kg (40.12 lbs)
Net Weight : 3.9 kg (8.60 lbs)
Net Weight without Stand : 3.35 kg (7.39 lbs)
Gross Weight : 5.1 kg (11.24 lbs)
Net Weight without Stand : 3.55 kg (7.83 lbs)

Dimensions (Esti.)

Phys. Dimension with Stand (W x H x D) : 73.5 x 62.6 x 24.5 cm (28.94" x 24.65" x 9.65")
Phys. Dimension without Stand (W x H x D) : 73.54 x 46.69 x 5.44 cm (28.95" x 18.38" x 2.14")
Box Dimension (W x H x D) : 87.8 x 61.6 x 29.8 cm (34.57" x 24.25" x 11.73")
Phys. Dimension (W x H x D) : 54.12 x 38.83 x 19.94 cm (21.31" x 15.29" x 7.85")
Phys. Dimension without Stand (W x H x D) : 54.12 x 32.39 x 5.18 cm (21.31" x 12.75" x 2.04")
Box Dimension (W x H x D) : 60.30 x 39.20 x 13.00 cm (23.74" x 15.43" x 5.12")
Box Dimension (W x H x D) : 59.90 x 44.60 x 13.60 cm (23.58" x 17.56" x 5.35")

Reliability

Operation Temperature : 0°C ~ 40°C
Operation Humidity : 5% ~ 90%

Audio

Speaker : No
Speaker : Yes(2Wx2)

Certificate

Energy Star
TCO Certified
TÜV Flicker-free
TÜV Low Blue Light
AMD FreeSync

Compliance Standard

Energy Star
TÜV Flicker-free
TÜV Low Blue Light
ISO 13485
IEC 60601-1-2
AAPM TG18
AAPM TG270

I/O Ports

HDMI(v1.4) x 2
Earphone Jack : Yes

Features

Preset Mode : Native
Preset Mode : sRGB
Preset Mode : DICOM_0 lux
Preset Mode : DICOM_50 lux
Preset Mode : DICOM_100 lux
Preset Mode : DICOM_Auto
Preset Mode : User Mode 1
Preset Mode : User Mode 2
Color Temp. Selection : Yes(5000K, 5500K, 6500K, 7500K, 9300K, 12000K)
Monochrome : Off / Positive / Negative
Gamma adjustment : Yes (Support Gamma 2.0/2.2/2.4)
Aspect Control : Full / Dot to Dot / 1:1 Ratio
Pixel : 8MP / 6MP / 5MP / 3MP
PIP(PbP) Technology : Yes
ASUS Hardware Calibration : Yes
HDCP : Yes, 2.2
Low Blue Light : Yes
Eye Care+ Technology : Yes
Trace Free Technology : Yes
SPLENDID Technology : Yes
Color Temp. Selection : Yes(4 modes)
GamePlus : Yes
QuickFit : Yes
HDCP : Yes, 1.4
VRR Technology : Yes (Adaptive-Sync)
GameFast Input technology : Yes
Shadow Boost : Yes
Motion Sync : Yes
Low Blue Light : Yes
Eye Care+ Technology : Yes

Warranty

3 years (including panel burn-in)
    • Product Security Update Support Periods : 3 years (until 31/12/2026)
    • 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.
    • Please avoid hanging headphones or attaching any items that don't belong to the monitor itself to prevent reducing the monitor’s lifespan.