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Monitor · MODEL NOTES

LG UltraGear 27GS75Q-B

A QHD gaming display with a 180 Hz native mode and an optional DisplayPort overclock.

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The decision

The 27GS75Q-B belongs on a 1440p shortlist when its resolution, stand and available inputs fit the desk. Separate the native 180 Hz specification from the 200 Hz overclock. A move from an existing 165 Hz monitor should be justified by the whole experience, not merely the larger number on the box.

Consider it when

  • A QHD PC build using a compatible DisplayPort connection.
  • A desk setup needing height adjustment, tilt or pivot.

Look again when

  • Expecting every input to offer 200 Hz.
  • A headset microphone intended to connect through the monitor’s headphone output.

The checks that can change your choice

The overclock is an input-specific mode

The verified information gives 200 Hz overclock through DisplayPort. Check the selected input’s timing table and stability, and use the native rate if the faster mode does not behave reliably with your setup.

The audio jack is output only

Its three-pole headphone socket carries audio, not a headset microphone return. Connect a microphone to the PC or a suitable audio interface instead of expecting a four-pole headset to send voice through the display.

Published specifications

27-inch IPS; 2560 × 1440; 180 Hz native, up to 200 Hz overclock; adjustable stand.

BrandLG
Exact modelUltraGear 27GS75Q-B
Display27-inch IPS
Resolution2560 × 1440
Refresh rate180 Hz; 200 Hz OC via DisplayPort
Video inputs1 × DisplayPort 1.4; 2 × HDMI
Audio output3-pole headphone output; audio only
Stand and mountHeight, tilt, pivot; VESA 100 × 100 mm

200 Hz is an overclock mode; input and GPU limits apply. This is not the older 27GP850-B.

Catalog record checked . Manufacturer specifications. The individual references below show the dates used for these model notes.

Compare the choice, not just the name

LG 27GS75Q vs GIGABYTE M28U: 1440p refresh or 4K workspace?Compare the LG 27GS75Q-B and GIGABYTE M28U around native resolution, refresh modes, GPU demand and USB/KVM connections.Read the comparison ↗

A different choice worth checking

LG UltraGear 27GP850-BThe 27GP850-B is a practical reference point for a 1440p PC build: enough resolution for a larger workspace without starting at 4K. Choose it around the games, output port and stand arrangement you will actually use. Its 180 Hz overclock mode is not the native refresh rate and should not be the only reason to prefer it.Read this model’s tradeoffs ↗MSI MAG 274QRF QD E2MAG 274QRF QD E2 is useful when a 1440p gaming PC shares a desk with a compatible laptop. Its KVM and USB-C charging can make that arrangement more practical, but they need the correct upstream connections. Choose the E2 specifically; specifications from the earlier MAG274QRF-QD are not interchangeable.Read this model’s tradeoffs ↗

These alternatives address related choices. Recheck their platform, connections and fit before treating one as a replacement.

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Sources and review notes

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