Experience absolute speed with a panoramic edge. In high-stakes gaming, the slightest delay or motion blur can break your concentration and cost you the win. The G-Master GCB2784HSU-B1 eliminates these barriers, pairing a satisfying 240Hz refresh rate with a 0.7ms MPRT response time for unparalleled motion clarity. Its 1500R curved VA panel delivers sharp FHD resolution, optimized for high-frame-rate performance, while pulling you deeper into the world and offering a superior static contrast ratio for the black depth. Supported by Adaptive Sync, this monitor delivers a seamless, high-velocity experience that ensures you see every movement first and react with perfect precision.
Technical specifications
Display
| Display diagonal | 68.6 cm (27") |
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| Display resolution | 1920 x 1080 pixels |
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| HD type | Full HD |
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| Native aspect ratio | 16:9 |
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| Display technology | LCD |
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| Panel type | VA |
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| Touchscreen | No |
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| Display brightness (typical) | 350 cd/m² |
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| Response time (MPRT) | 0.7 ms |
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| Screen shape | Curved |
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| Screen curvature rating | 1500R |
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| Contrast ratio (typical) | 4000:1 |
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| Contrast ratio (dynamic) | 80000000:1 |
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| Maximum refresh rate | 240 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 | 0.311 x 0.311 mm |
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| Horizontal scan range | 30 - 300 kHz |
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| Viewable size, horizontal | 59.8 cm |
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| Viewable size, vertical | 33.6 cm |
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| Display diagonal (metric) | 68 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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| Colour depth | 8 bit |
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| sRGB coverage (typical) | 99% |
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| NTSC coverage (typical) | 72% |
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Performance
| NVIDIA G-SYNC | No |
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| AMD FreeSync | Yes |
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| AMD FreeSync type | FreeSync Premium |
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| Flicker-free technology | Yes |
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| Low Blue Light technology | Yes |
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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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| Built-in camera | No |
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Design
| Market positioning | Gaming |
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| Product colour | Black |
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Ports & interfaces
| Built-in USB hub | Yes |
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| USB hub version | 2.0 |
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| Number of downstream ports | 2 |
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| HDMI | Yes |
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| HDMI ports quantity | 2 |
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| DisplayPorts quantity | 1 |
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| Headphone out | Yes |
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Ergonomics
| VESA mounting | Yes |
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| Panel mounting interface | 100 x 100 mm |
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| Cable management | Yes |
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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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| Swivelling | Yes |
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| Swivel angle range | -45 - 45° |
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| Tilt adjustment | Yes |
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| On Screen Display (OSD) languages | Czech, German, English, Spanish, French, Italian, Japanese, Dutch, Polish, Portuguese, Russian |
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Power
| Energy efficiency class (SDR) | E |
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| Energy efficiency class (HDR) | G |
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| Energy consumption (SDR) per 1000 hours | 21 kWh |
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| Energy consumption (HDR) per 1000 hours | 31 kWh |
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| Power consumption (typical) | 21 W |
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| Power consumption (standby) | 0.4 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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| Power supply type | Internal |
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Weight & dimensions
| Width (with stand) | 610.5 mm |
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| Depth (with stand) | 192.5 mm |
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| Height (with stand) | 466.5 mm |
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| Weight (with stand) | 5.4 kg |
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Sustainability
| Sustainability certificates | ErP |
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Technical details