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Black 27 inch UltraGear gaming monitor with three-side borderless screen on adjustable stand

LG Electronics

LG Electronics 27GS75Q-B 27" 180Hz 1ms IPS gaming monitor

SKU CH-3K9E-1B2G9 MPN 27GS75Q-B

A 27 inch IPS gaming monitor with a 180Hz refresh rate, 1ms response time, HDR10 and 99% sRGB colour coverage

  • Cabinet ColorBlack
  • Screen Size27"
  • Display TypeLED
  • Refresh Rate180Hz
  • HDR StandardHDR10
  • 180 Hz refresh rate keeps fast motion sharp
  • 1 ms response time reduces ghosting in quick scenes
  • QHD 2560 x 1440 resolution shows fine detail
  • IPS panel covers 99 % sRGB for accurate colour
  • G-SYNC Compatible and FreeSync prevent screen tearing

27-inch QHD Gaming Monitor

The LG UltraGear 27GS75Q-B is a 27-inch IPS gaming monitor built for competitive play at 2560 x 1440 resolution. It targets players who want high refresh rates and adaptive sync without stepping up to larger ultrawide formats. The three-side borderless design keeps the focus on the screen.

180Hz Refresh and 1ms Response

A 180Hz refresh rate combined with a 1ms GtG response time handles fast-paced shooters and racing titles comfortably. HDR10 support and 99% sRGB coverage provide vivid colour for single-player games. The panel runs out of headroom for professional colour-critical work that demands wider gamut coverage or hardware calibration.

NVIDIA G-SYNC Compatible and AMD FreeSync

Official G-SYNC Compatible validation plus AMD FreeSync support is the deciding spec for tear-free gaming on either GPU platform. The monitor includes one DisplayPort and two HDMI ports for multi-device connectivity. Height, tilt, and pivot adjustments let you set the viewing angle to match your desk.

Highlights

  • 180 Hz refresh rate keeps fast motion sharp
  • 1 ms response time reduces ghosting in quick scenes
  • QHD 2560 x 1440 resolution shows fine detail
  • IPS panel covers 99 % sRGB for accurate colour
  • G-SYNC Compatible and FreeSync prevent screen tearing

Specifications

BrandLG
SeriesUltraGear
Cabinet ColorBlack
Screen Size27"
Display TypeLED
Refresh Rate180Hz
HDR StandardHDR10
Shipping weight8.30 kg
Package size686 × 493 × 183 mm

Questions about this item

Will the 2560 x 1440 resolution and 180Hz refresh rate work with my older graphics card that only has HDMI 1.4 outputs?

The monitor includes two HDMI ports and one DisplayPort. HDMI 1.4 bandwidth limits 1440p to roughly 75Hz, so you would not reach the full 180Hz. Using a DisplayPort connection on a newer card is required for the maximum refresh rate.

How can I verify the 1ms response time and G-SYNC Compatible certification are active after setup?

Open the on-screen display menu and confirm the response time is set to the fastest option. In the NVIDIA Control Panel, enable G-SYNC for the 27GS75Q-B; a green G-SYNC indicator will appear in supported games when variable refresh rate is working.

Which cables are included in the box and what must I purchase separately for 180Hz at 2560 x 1440?

LG typically supplies an HDMI cable and a power cord. A DisplayPort cable is not included; you will need to buy a certified DisplayPort 1.2 or higher cable separately to achieve 180Hz at QHD resolution.

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