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.

  • Screen size (inch)

    27.0

  • Panel resolution

    2560x1440

  • Panel type

    OLED

  • Response time GtG

    0.03 ms

  • Sync technology (VRR)

    G-SYNC Compatible

  • Discover all the advantages this product has to offer

    View all specifications

Become a Gaming-Optimized Weapon for your Team with 360Hz and 0.03ms

With 360Hz monitors being the standard in professional e-sport tournaments and competitions, embrace team solidarity and enjoy an ultra-smooth experience with the incredible responsive of 360Hz and 0.03ms, honing your sharpness and gaming abilities to the next level, especially where optimal team collaboration is required.

VESA CERTIFIED DISPLAYHDR™ TRUE BLACK 400

The DisplayHDR™ True Black 400 brings you deeper, more accurate black levels , making your viewing experience richer and more immersive. No more washed-out dark scenes in movies and games. With TrueBlack400, you're in for a more realistic visual journey.

G-SYNC Compatible

Enable flawless picture quality by synchronising new generations of NVIDIA graphics cards* with this G-SYNC Compatible monitor. *Please refer to NVIDIA website for the complete list of GPUs working with G-SYNC Compatible monitors

Flicker Free

AOC Flicker-Free Technology utilises a DC (Direct Current) backlight panel, reducing flickering light levels. With eye strain and fatigue absolutely minimized, feel free to enjoy those long, intense gaming sessions in comfort!

Low Input Lag

Unleash your reflexes by switching to the AOC Low Input Lag mode. Forget graphical frills: this mode rewires the monitor in favour of raw response time, giving the ultimate edge in hair trigger stand offs.
  • Bezel type (front)
    3-sided frameless
  • Kensington Lock
  • I/O define: Connectors on rear cabinet
    Vertical insert
  • Stand screw spec
    M4 x 10, Thumb screw
  • VESA Mount screw Spec
    M4 x 10
  • Weight
    6.3kg
  • VESA Mount Support
    Yes
  • Bezel Colour (front)
    Black
  • Bezel finishing (front)
    Texture
  • Cabinet colour (backside)
    Black
  • Cabinet finishing (backside)
    Texture
  • Vesa wallmount
    100x100

Drivers & manuals

ManualsPublish dateSizeLanguageDownload
User manualFebruary 12, 2026Download pdf