27" QHD IPS monitor with 120Hz refresh rate, USB-C docking, KVM, and ergonomic adjustability for efficient professional workflows.The AOC Q27P4C is a 27-inch QHD business monitor designed for modern multitasking. Its IPS panel delivers wide 178° viewing angles, 99% sRGB color, HDR10 support, and smooth 120Hz performance for clear, accurate visuals. With USB-C connectivity, KVM, a fully adjustable stand, eye-care features, and sustainable materials, it helps streamline device management and supports productive, comfortable workspaces.
Technical specifications
Display
| Display diagonal | 68.6 cm (27") |
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| Display resolution | 2560 x 1440 pixels |
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| HD type | Quad HD |
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| Native aspect ratio | 16:9 |
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| Panel type | IPS |
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| LED backlight | Yes |
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| Backlight type | W-LED |
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| Touchscreen | No |
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| Display brightness (typical) | 350 cd/m² |
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| Response time | 4 ms |
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| Response time measurement type | GTG (Gray to Gray) |
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| Response time (MPRT) | 1 ms |
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| Anti-glare screen | Yes |
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| Screen shape | Flat |
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| Contrast ratio (typical) | 1500:1 |
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| Contrast ratio (dynamic) | 50000000:1 |
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| Dynamic contrast ratio marketing name | Mega DCR |
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| Maximum refresh rate | 120 Hz |
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| Viewing angle, horizontal | 178° |
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| Viewing angle, vertical | 178° |
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| Display number of colours | 16.7 million colours |
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| Pixel pitch | 0.2331 x 0.2331 mm |
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| Pixel density | 109 ppi |
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| Viewable size, horizontal | 59.7 cm |
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| Viewable size, vertical | 33.6 cm |
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| Digital horizontal frequency | 30 - 230 kHz |
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| Digital vertical frequency | 48 - 120 Hz |
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| Display diagonal (metric) | 68.6 cm |
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| High Dynamic Range (HDR) supported | Yes |
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| High Dynamic Range (HDR) technology | High Dynamic Range 10 (HDR10) |
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| DDC/CI | Yes |
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| Haze rate | 25% |
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| Surface hardness | 3H |
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| Colour gamut standard | sRGB, DCI-P3 |
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| sRGB coverage (typical) | 100.1% |
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| Adobe RGB coverage | 91.6% |
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| DCI-P3 coverage | 95.9% |
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Performance
| NVIDIA G-SYNC | No |
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| AMD FreeSync | No |
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| Flicker-free technology | Yes |
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| Low Blue Light technology | Yes |
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| Operating system version | Windows 10/11, Mac OS |
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Multimedia
| Number of speakers | 2 |
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| RMS rated power | 4 W |
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| Built-in speaker(s) | Yes |
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Design
| Product colour | Black |
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| Front bezel colour | Black |
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| Detachable stand | Yes |
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Ports & interfaces
| USB hub version | 3.2 Gen 2 (3.1 Gen 2) |
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| USB Type-C downstream ports quantity | 1 |
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| HDMI | Yes |
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| HDMI ports quantity | 1 |
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| HDMI version | 2.1 |
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| DisplayPorts quantity | 1 |
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| DisplayPort out quantity | 1 |
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| DisplayPort version | 1.4 |
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| Audio output | Yes |
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| Headphone out | Yes |
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| Headphone connectivity | 3.5 mm |
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| Built-in KVM switch | Yes |
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| HDCP | Yes |
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| HDCP version | 2.2 |
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Network
Ergonomics
| VESA mounting | Yes |
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| Panel mounting interface | 100 x 100 mm |
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| Cable lock slot | Yes |
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| Cable lock slot type | Kensington |
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| Height adjustment | Yes |
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| Adjustable height (max) | 15 cm |
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| Pivot | Yes |
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| Pivot angle | -90 - 90° |
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| Swivelling | Yes |
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| Swivel angle range | -175 - 175° |
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| Tilt adjustment | Yes |
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| Tilt angle range | -5 - 30° |
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| Picture-in-Picture | Yes |
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Power
| Energy efficiency class (SDR) | C |
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| Power consumption (typical) | 26 W |
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| Power consumption (standby) | 0.3 W |
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| Power consumption (max) | 173 W |
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| Power consumption (off) | 0.3 W |
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| AC input voltage | 100 - 240 V |
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| AC input frequency | 50/60 Hz |
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| Input current | 2 A |
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| Power supply type | Internal |
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| Energy efficiency scale | A to G |
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Weight & dimensions
| Width (with stand) | 616 mm |
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| Depth (with stand) | 232.9 mm |
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| Height (with stand) | 548.7 mm |
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| Weight (with stand) | 6.12 kg |
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| Width (without stand) | 616 mm |
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| Depth (without stand) | 51.7 mm |
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| Height (without stand) | 361.5 mm |
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| Weight (without stand) | 4.37 kg |
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Sustainability
| Sustainability certificates | EPEAT Gold, TCO |
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| Doesn't contain | Mercury, PVC/BFR |
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Recycling data
| Product post-consumer recycled plastic | 85% |
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