Title
Title
Specification
| Basic Information | |
| Brand | KOORUI |
| Model | S2741LM |
| Product Type | Gaming Monitor |
| Panel Type | Fast IPS / QD Mini LED |
| Display Technology | Mini LED |
| Screen Size | 27 Inch |
| Screen Shape | Flat |
| Aspect Ratio | 16:9 |
| Display | |
| Resolution | 3840 × 2160 (4K UHD) |
| Refresh Rate | 4K UHD: 160Hz / Full HD: 320Hz |
| Dual Mode | 4K 160Hz / FHD 320Hz |
| Response Time | 1ms (OD) |
| OD Levels | 5ms / 3ms / 1ms |
| Brightness | SDR > 550 nits |
| HDR Brightness | HDR > 1400 nits |
| Contrast Ratio | 300,000:1 Static |
| Dynamic Contrast Ratio | 1,000,000:1 |
| Viewing Angle | 178° / 178° |
| Pixel Density | 163 PPI |
| Pixel Pitch | 0.155mm |
| Color Depth | 10-bit |
| Color Support | 1.07 Billion Colors |
| sRGB Coverage | 99% |
| DCI-P3 Coverage | 98% |
| Adobe RGB Coverage | 99% |
| Color Accuracy | ΔE ≈ 0.55 |
| Local Dimming | 1152 Mini LED Dimming Zones |
| HDR & Gaming Features | |
| HDR | HDR1400 |
| Adaptive Sync | Yes |
| AMD FreeSync | Yes |
| NVIDIA G-SYNC | Yes |
| OD Acceleration | Yes |
| VRR | Yes |
| Crosshair | Yes |
| Eye Care | Yes |
| Custom Shortcuts | Yes |
| Dual Mode Gaming | 4K 160Hz / FHD 320Hz |
| Connectivity | |
| HDMI | 2 × HDMI 2.1 |
| DisplayPort | 1 × DisplayPort 1.4 |
| USB Type-C | 1 × USB-C, up to 90W Power Delivery |
| USB-A | 2 × USB-A Gen 3.1 |
| USB-B | 1 × USB-B |
| Audio Out | 1 × Audio Out |
| VGA | Not Available |
| Built-in Speaker | No |
| Bluetooth | No |
| Wi-Fi | No |
| Stand & Ergonomics | |
| Height Adjustment | 130mm |
| Tilt Adjustment | -5° to +20° |
| Swivel / Horizontal Adjustment | ±30° |
| Pivot / Rotation | ±90° |
| VESA Mount | 100 × 100mm |
| VESA Screw | M4 × 8mm |
| Security Slot | Yes |
| Physical Information | |
| Color | Black |
| With Stand Dimensions | 613 × 524 × 206mm |
| Without Stand Dimensions | 613 × 359 × 79mm |
| Net Weight with Stand | 6.8kg |
| Net Weight without Stand | 4.85kg |
| Package Weight | 10.06kg |
| Power | |
| Power Type | External Adapter |
| Power Input | 19V / 11.05A |
| Maximum Power Consumption | ≤210W |
| Standby Power Consumption | ≤0.5W |
| Package Contents | |
| HDMI Cable | 1 × HDMI Cable, 1.5m |
| DisplayPort Cable | 1 × DP Cable, 1.5m |
| USB Type-C Cable | 1 × Type-C Cable, 1.0m |
| USB Cable | 1 × USB Cable, 1.5m |
| Power Adapter | 1 × Adapter, 1.5m |
| Power Cord | 1 × Power Cord, 1.2m |
| Stand | Column + Base |
| User Manual | 1 |
| Installation Manual | 1 |
| Operating Environment | |
| Operating Temperature | 0°C – 40°C |
| Storage Temperature | -20°C – 60°C |
| Operating Humidity | 20% – 80% |
| Storage Humidity | 5% – 95% |
| Maximum Operating Altitude | Up to 5000m |
| Warranty information | |
| Warranty | 3 Years |
Product Descriptions
KOORUI S2741LM 27-inch 320Hz 4K UHD Mini LED Gaming Monitor
KOORUI S2741LM 27-inch 320Hz 4K UHD Mini LED Gaming Monitor is a high-performance dual-mode gaming monitor designed for gamers, esports enthusiasts, creators and professionals who demand both ultra-sharp 4K visuals and extremely high refresh rates. Featuring a 27-inch Fast IPS panel with QD Mini LED backlighting, the monitor combines 3840×2160 UHD resolution, advanced HDR performance, wide color coverage and a fast 1ms response time.
4K UHD Resolution with Dual-Mode Performance
The KOORUI S2741LM delivers stunning 3840×2160 4K UHD resolution at up to 160Hz for detailed and smooth gaming. When competitive speed is more important, its Dual Mode allows the display to switch to Full HD 1920×1080 at up to 320Hz, making it suitable for fast-paced competitive gaming.
QD Mini LED Backlighting with 1152 Zones
Its QD Mini LED backlighting uses 1152 local dimming zones to provide better control over brightness and dark areas. The combination of Mini LED technology and a 300,000:1 static contrast ratio produces deeper blacks, brighter highlights and improved image depth.
HDR1400 and High Brightness
With SDR brightness above 550 nits and HDR brightness above 1400 nits, the S2741LM is built for high-dynamic-range content. HDR1400 enhances bright highlights and shadow details for a more immersive viewing experience.
Professional-Grade Color Performance
The monitor supports 10-bit color depth and up to 1.07 billion colors. It covers 98% of the DCI-P3 color space and 99% Adobe RGB, making it suitable for gaming as well as photo, video and creative work where accurate and wide color reproduction is important.
1ms Response Time and Adaptive Sync
With a 1ms response time and OD acceleration, the monitor is designed to reduce motion blur and improve responsiveness during fast gameplay. Adaptive Sync, AMD FreeSync and NVIDIA G-SYNC support help reduce screen tearing and stuttering.
Advanced Connectivity
The KOORUI S2741LM provides 2× HDMI 2.1, 1× DisplayPort 1.4 and a USB-C port with up to 90W power delivery. It also includes USB-A and USB-B connectivity plus an audio output, making it convenient for gaming PCs, laptops and modern workstations.
Ergonomic Adjustable Stand
The height-adjustable stand provides a 130mm lift range, ±30° horizontal adjustment, -5° to +20° tilt and ±90° rotation. It also supports a 100×100mm VESA mount for flexible desk or wall-mounted setups.
Built for Gaming and Productivity
Features such as HDR1400, Adaptive Sync, OD acceleration, custom shortcuts and eye-care functionality make the S2741LM suitable for both competitive gaming and long working sessions.
The KOORUI S2741LM 27-inch 4K UHD Mini LED Gaming Monitor is available from Rose Tech & Computer for users looking for a high-resolution, high-refresh-rate monitor with advanced Mini LED technology, professional color performance and versatile connectivity.
Warranty: 3 Years.
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