AOC U27G4R

Monitors

AOC U27G4R reviews

Product specifications and review coverage for this exact model.

COR ScoretbdAvailable after 3 critic reviews0 critics
AOC U27G4R

Image supplied through Icecat

Product overview

AOC U27G4R is listed in the computer monitors category. The recorded specifications include display diagonal: 68.6 cm (27"); display resolution: 3840 x 2160 pixels; panel type: Fast IPS; maximum refresh rate: 320 Hz. This entry covers manufacturer code U27G4R. Specifications relate to this exact source record; other editions or packages may differ.

Automatically assembled from the source specifications. This is a factual summary, not a hands-on review.

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Specifications

Manufacturer code: U27G4R. Icecat product 129871070 · Checked 17 Sep 2026. The source lists this code for Great Britain. No specifications are transferred from other editions.

Key specifications

The main features to compare for this exact model. Missing details are not assumed.

AOC U27G4R — key specifications
Screen size68.6 cm (27")
Screen resolution3840 x 2160 pixels
Panel typeFast IPS
Maximum refresh rate320 Hz
Response time1 ms
Display brightness (typical)400 cd/m²
High Dynamic Range (HDR) supportedYes
HDMI ports2
DisplayPort connections1

More product specifications

Open a section for the details that matter to you.

Audio & listening4 details
AOC U27G4R — Audio & listening
Digital horizontal frequency30 - 360 kHz
Digital vertical frequency48 - 320 Hz
Headphone outYes
Headphone outputs1
Display15 details
AOC U27G4R — Display
Display technologyLED
TouchscreenNo
Anti-glare screenYes
Screen shapeFlat
Contrast ratio (typical)1000:1
Contrast ratio (dynamic)80000000:1
Viewing angle, horizontal178°
Viewing angle, vertical178°
Display number of colours16.7 million colours
Display diagonal (metric)68.6 cm
High Dynamic Range (HDR) technologyDisplayHDR 400
Colour gamut standardAdobe RGB, DCI-P3, sRGB
On Screen Display (OSD)Yes
On Screen Display (OSD) languagesSimplified Chinese, Traditional Chinese, Czech, Dutch, English, Finnish, French, German, Italian, Japanese, Korean, Croatian, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Ukrainian
Native refresh rate60 Hz
Processor, memory & storage1 detail
AOC U27G4R — Processor, memory & storage
Frameless designYes
Connections & wireless12 details
AOC U27G4R — Connections & wireless
Built-in USB hubYes
USB hub version3.2 Gen 1 (3.1 Gen 1)
USB upstream port typeUSB Type-B
Number of upstream ports1
USB Type-A downstream ports quantity4
HDMIYes
HDMI version2.1
DisplayPort version1.4
Headphone connectivity3.5 mm
Panel mounting interface100 x 100 mm
DisplayPort cable length1.8 m
HDMI cable length1.8 m
Power & battery9 details
AOC U27G4R — Power & battery
Energy efficiency class (SDR)F
Energy efficiency class (HDR)G
Energy consumption (SDR) per 1000 hours25 kWh
Energy consumption (HDR) per 1000 hours50 kWh
Power consumption (typical)34 W
Power consumption (standby)0.5 W
Power consumption (off)0.3 W
Power supply typeInternal
Energy efficiency scaleA to G
Controls & features2 details
AOC U27G4R — Controls & features
Shadow controlYes
Motion blur reductionYes
Design & dimensions13 details
AOC U27G4R — Design & dimensions
Product colourBlack, Red
Front bezel colourBlack
VESA mountingYes
Height adjustmentYes
Adjustable height (max)13 cm
Width (with stand)613.9 mm
Depth (with stand)227.6 mm
Height (with stand)516 mm
Weight (with stand)6.35 kg
Width (without stand)613.9 mm
Depth (without stand)51.3 mm
Height (without stand)366.3 mm
Weight (without stand)4.41 kg
Software & compatibility3 details
AOC U27G4R — Software & compatibility
Brand specific technologiesCrosshair
Compliance certificatesCE
CertificationWEEE,REACH compliant,RoHs compliant,CB,TUV-Bauart-Mark,ISO 9241-307,EAC,FCC
Further product details33 details
AOC U27G4R — Further product details
HD type4K Ultra HD
Native aspect ratio16:9
LED backlightYes
Backlight typeW-LED
Response time measurement typeGTG (Gray to Gray)
Response time (MPRT)0.3 ms
Pixel density163 ppi
sRGB coverage (typical)124.7%
Adobe RGB coverage93.4%
DCI-P3 coverage95.9%
VESA Adaptive Sync supportYes
Flicker-free technologyYes
Low Blue Light technologyYes
Market positioningGaming
Detachable standYes
HDCPYes
HDCP version1.4/2.2
Cable lock slotYes
Cable lock slot typeKensington
PivotYes
Pivot angle-90 - 90°
SwivellingYes
Swivel angle range30 - 30°
Tilt adjustmentYes
Tilt angle range3.5 - 21.5°
Picture-in-PictureYes
Number of OSD languages19
Doesn't containMercury, PVC/BFR
Low input lagYes
FPS counterYes
Dial pointYes
Local dimmingYes
Bezel thickness typeFrameless
Packaging & supplied accessories6 details
AOC U27G4R — Packaging & supplied accessories
Package width825 mm
Package depth481 mm
Package height162 mm
Package weight9.95 kg
Cables includedAC, HDMI, DisplayPort
Warranty period3 year(s)

Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.