Monitor
Q27G40SDE
27” QD-OLED 360Hz gaming monitor with 0.03ms response, DisplayHDR True Black 400 and NVIDIA G-Sync Compatible for elite competitive play.
Built for the Competitive Elite.
Experience uncompromising speed on a 27” QD-OLED display with 2560×1440 resolution, ultra-fast 360Hz refresh rate and 0.03ms response time. With 99% DCI-P3 color, DisplayHDR True Black 400 and NVIDIA G-Sync Compatible support for exceptional contrast, fluid motion and tournament-level precision.

VESA CERTIFIED DISPLAYHDR™ TRUE BLACK 400

G-SYNC Compatible

Flicker Free

Low Input Lag
Specifications
- Bezel type (front)3-sided frameless
- Kensington Lock
- I/O define: Connectors on rear cabinetVertical insert
- Stand screw specM4 x 10, Thumb screw
- VESA Mount screw SpecM4 x 10
- Weight6.3kg
- VESA Mount SupportYes
- Bezel Colour (front)Black
- Bezel finishing (front)Texture
- Cabinet colour (backside)Black
- Cabinet finishing (backside)Texture
- Vesa wallmount100x100
- Digital HDCP (HDMI version)HDCP 2.2
- DP HDCP versionHDCP 2.2
- HDMIHDMI 2.1 x 2
- DisplayPortDisplayPort 1.4 x 1
- Audio Output1x Audio out
- Screen size (inch)27.0
- Flat / CurvedFlat
- Curvature RadiusFlat
- Panel resolution2560x1440
- Aspect ratio16:9
- Panel typeOLED
- Backlight typeQD OLED
- Max Refresh rate360 Hz
- Response time GtG0.03 ms
- Static contrast ratio1.5M:1
- Viewing angle (CR10)178/178
- Display colours1.073B (10 bits)
- Brightness in nitsSDR: 250nits (APL 100%) nits, HDR: 450 (APL 10%) nits, HDR E/P: 1000 (APL 3%) nits
- Color GamutDCI-P3 99% @CIE 1976 Coverage(Typ.)
- OD Response (typical)0.03 ms GtG
- Support 1:1 function
- Local Dimming ZonesOLED
- Tilt-3(+/-2)~21.5(+/-1.5)
- OSD typeAOC Gaming
- Plug & Play CompatibilityYes, DDC/CI
- Operation SystemWindows 8.1/10/11, MacOS
- Power supplyInternal
- Power consumption standby in watts0.5
- Power consumption off in watts0.3
- Power LED indicator (Operation)White
- Power LED indicator (Standby)Orange
- Product dimensions incl. base (WxHxD) mm609.3*456.7*192.2(mm)
- Product dimensions excl. base (WxHxD) mm609.3*357.7*58.2(mm)
- Packaging dimensions (WxHxD) mm (CN)780(W)*455(H)*139(D)mm
- Net weight excl. package (in kg)5.96
- Gross weight incl. package (in kg) (CN)7.55
- Product without stand (kg)5.14
- Carton materialPaper
- Carton material printColor Print
- Sync technology (VRR)G-SYNC Compatible
- HDR (High Dynamic Range)VESA Certified DisplayHDR™ True Black 400
- Flicker-FreeFlicker Free
- Blue Light TechnologyAnti Blue Light
- Multiview (PbP, PiP)PiP+PbP
Drivers & manuals
| Manuals | Publish date | Size | Language | Download |
|---|---|---|---|---|
| User manual | February 12, 2026 | Download pdf |
| Drivers | Publish date | Size | Language | Download |
|---|---|---|---|---|
| Drivers | February 12, 2026 | Download zip |













