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AOC Monitors

AOC Monitors CQ27G4H 27" Curved Gaming Monitor QHD 180Hz 1500R VA 0.5ms FreeSync Premium Height Adjustable

SKU CH-1V5Q-F2SFP

A 27 inch 1500R curved QHD gaming monitor with a 180Hz refresh rate, .5ms response time and FreeSync Premium on a height adjustable stand

  • Screen size27 in (68.6 cm)
  • Display resolution1920 × 1080
  • Panel typeIPS
  • HDR formatHDR10
  • Image brightness250 cd/m2
  • Power draw21 W
  • Immersive 1500R curvature wraps a 27 inch QHD panel for wider field of view
  • 180Hz refresh rate and 0.5ms response eliminate motion blur in fast scenes
  • HDR10 support with 250 cd/m² brightness and 1000:1 contrast adds depth
  • Flicker-free and low blue light modes reduce eye strain during long sessions
  • Height-adjustable stand lets you set the screen at a comfortable viewing angle

Immersive 27-Inch Curved QHD Gaming Monitor

This 27-inch curved monitor delivers a QHD 2560 x 1440 resolution on a 1500R VA panel. The 180Hz refresh rate and 0.5ms response time target competitive gamers seeking fluid motion. HDR10 support adds highlight detail for compatible titles.

Verify DisplayPort 180Hz Capability And Desk Space

Confirm your graphics card can output 2560 x 1440 at 180Hz over DisplayPort for the advertised refresh rate. The curved 1500R profile demands sufficient desk depth for comfortable viewing distance. Ensure your system supports FreeSync Premium for variable refresh alignment.

Sustained 180Hz Stability With 250 cd/m² Brightness

The panel maintains 180Hz refresh performance during extended sessions without thermal throttling. Peak brightness holds at 250 cd/m² and contrast at 1000:1 under continuous load. Flicker-free backlighting and low blue light modes reduce eye strain over long periods.

How it compares

Measured against everything we stock in Monitors for Gamers, at today’s prices. Recalculated every night.

Price $242.99
Pricier than about 63% of the 839 comparable items (median $189.99).
Screen size 27 in (68.6 cm)
Typical for this category: the median of 814 items is 27 in.
Image brightness 250 cd/m2
Lower than about 80% of the 536 comparable items (median 300 nits).

Specifications

Product
Brand nameSAMSUNG
Product lineEW Series
Part numberCQ27G4H
Case colorBlue
Display
Screen size27 in (68.6 cm)
Display resolution1920 × 1080
Panel typeIPS
HDR formatHDR10
Image brightness250 cd/m2
Screen curvatureFlat Panel
Bezel styleFrameless
BacklightIPS/WLED
Panel finishGlossy
Display formatFHD
Variable refresh rateFreeSync (AMD Adaptive Sync)
Highest resolution1920 × 1080
Screen ratio16:9
Contrast1,000:1
Colors displayed16.7 Million
Vertical frequency180 Hz
Ports & slots
Connection typesHDMI
DVI ports2
HDMI ports1
DisplayPort connectors1 x DisplayPort 1.2
Video connectors1 × 12G-SDI
USB connections1 x USB 2.0 Type-A Downstream
USB 3.0 ports1 x USB 3.0 Upstream + 1 x USB 3.0 Downstream
Headphone jackAnti Glare Screen
Power
Power draw21 W
Size & build
Stand adjustabilityTilt
Product dimensions14.33 in W × 12.83 in H × 9.06 in D
Product weight8.528 kg
More details
OLEDLED
FrameAdaptive Sync

Questions about this item

What is in the box with the AOC CQ27G4H and what must be bought separately?

The monitor includes a height-adjustable stand and supports VESA mounting; a DisplayPort cable is required for the full 180 Hz refresh rate.

Which resolution version of the CQ27G4H should I choose?

This model is a single QHD version at 2560 x 1440; no other resolution options exist for this part number.

What does the 180 Hz figure mean once the monitor is in my system?

It delivers up to 180 frames per second over DisplayPort, giving smoother motion in fast-paced games when your graphics card can match that frame rate.

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