AOC G4 Q27G4SRU 27″ 320Hz Monitor

27 inch · 2560 x 1440 · 320 Hz · Fast IPS

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Screen size 27 inch
Resolution 2560 x 1440
Refresh rate 320 Hz
Panel Fast IPS
Response time 1 ms

AOC G4 Q27G4SRU 27″ 320Hz Monitor is a 27-inch monitor with 2560 x 1440 resolution, a 320 Hz refresh rate and Fast IPS panel. The high refresh rate makes fast games look smoother. It came out in 2025.

Released: 2025-03-21

Specifications

Key specs

Screen size: 27 inch
Resolution: 2560 x 1440
Refresh rate: 320 Hz
Panel: Fast IPS
Response time: 1 ms
Released: 2025-03-21
Part number: Q27G4SRU
EAN / UPC: 4038986182713

Display

Display diagonal: 68.6 cm (27")
Display resolution: 2560 x 1440 pixels
HD type: Quad HD
Native aspect ratio: 16:9
Display technology: LED
Panel type: Fast IPS
LED backlight: Yes
Backlight type: W-LED
Display brightness (typical): 450 cd/m²
Response time: 1 ms
Response time measurement type: GTG (Gray to Gray)
Response time (MPRT): 0.3 ms
Anti-glare screen: Yes
Screen shape: Flat
Contrast ratio (typical): 1000:1
Contrast ratio (dynamic): 80000000:1
Maximum refresh rate: 320 Hz
Viewing angle, horizontal: 178°
Viewing angle, vertical: 178°
Display number of colours: 1.07 billion colours
Pixel pitch: 0.2331 x 0.2331 mm
Pixel density: 108.8 ppi
Digital horizontal frequency: 30 - 450 kHz
Digital vertical frequency: 48 - 300 Hz
Display diagonal (metric): 68.58 cm
High Dynamic Range (HDR) supported: Yes
High Dynamic Range (HDR) technology: DisplayHDR 400
Colour gamut standard: Adobe RGB, DCI-P3, sRGB
sRGB coverage (typical): 124.2%
Adobe RGB coverage: 92.5%
DCI-P3 coverage: 96.2%

Performance

AMD FreeSync: Yes
VESA Adaptive Sync support: Yes
Flicker-free technology: Yes
Low Blue Light technology: Yes

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Multimedia

Number of speakers: 2
RMS rated power: 4 W
Built-in speaker(s): Yes

Design

Market positioning: Gaming
Product colour: Black, Red
Front bezel colour: Black
Detachable stand: Yes

Ports & interfaces

Built-in USB hub: Yes
HDMI: Yes
HDMI ports quantity: 2
HDMI version: 2.1
DisplayPorts quantity: 1
DisplayPort out version: 1.4
DisplayPort version: 1.4
Audio output: Yes
HDCP: Yes
HDCP version: 2.2

Ergonomics

VESA mounting: Yes
Panel mounting interface: 100 x 100 mm
Cable lock slot: Yes
Height adjustment: Yes
Adjustable height (max): 13 cm
Pivot: Yes
Pivot angle: -90 - 90°
Swivelling: Yes
Swivel angle range: -30 - 30°
Tilt adjustment: Yes
Tilt angle range: -3 - 21°
Picture-in-Picture: Yes

Power

Energy efficiency class (SDR): F
Energy efficiency class (HDR): G
Energy consumption (SDR) per 1000 hours: 25 kWh
Energy consumption (HDR) per 1000 hours: 40 kWh
Power consumption (typical): 26 W
Power consumption (standby): 0.5 W
Power consumption (off): 0.3 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Power supply type: Internal
Energy efficiency scale: A to G

Weight & dimensions

Width (with stand): 613.9 mm
Depth (with stand): 227.6 mm
Height (with stand): 516 mm
Weight (with stand): 6.11 kg
Width (without stand): 366.3 mm
Depth (without stand): 52.6 mm
Height (without stand): 366.3 mm
Weight (without stand): 4.17 kg

Other features

Brand specific technologies: Crosshair
Low input lag: Yes
FPS counter: Yes
Dial point: Yes
Shadow control: Yes
Motion blur reduction: Yes
Local dimming: Yes
Warranty period: 3 year(s)
Bezel thickness type: Frameless
Compliance certificates: CE
Certification: WEEE,REACH compliant,RoHs compliant,CB,TUV-Bauart-Mark,ISO 9241-307,EAC,FCC

Recycling data

Packaging recyclability rate: 100%

Technical details

Native refresh rate: 60 Hz

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About this product

Unleash next-level speed with the Q27G4SRU 27" QHD 320Hz gaming monitor Experience the cutting edge of competitive gaming with the Q27G4SRU—a groundbreaking 27" QHD monitor combining stunning resolution with an ultra-fast 320Hz refresh rate. Powered by a Fast IPS panel with 1ms GtG and MBR MPRT 0.3ms, it delivers unbelievably smooth, crystal-clear motion that keeps you ahead of the action. HDR400 brings visuals to life with deep contrast and vibrant detail, while the eSports base design and ergonomic stand offer comfort and stability during the most intense matches.

User manual (PDF)

Q27G4SRU vs similar monitors

	AOC G4 Q27G4SRU 27″ 320Hz Monitor	AOC AG276QSG2/11 27″ 360Hz Monitor	AOC G4 Q27G42ZE/69 27″ 260Hz Monitor	AOC G4 Q27G4ZRP 27″ 260Hz Monitor
Screen size	27 inch	27 inch	27 inch	27 inch
Resolution	2560 x 1440	2560 x 1440	2560 x 1440	2560 x 1440
Refresh rate	320 Hz	360 Hz	260 Hz	260 Hz
Panel	Fast IPS	Fast IPS	Fast IPS	Fast IPS
Response time	1 ms	1 ms	1 ms	1 ms
Released	2025	2026	2026	2026