Samsung QN55LS03HEFXZA 55" NeoQLED 4K Gaming Monitor
Experience next-generation gaming and professional display performance with the Samsung NeoQLED 55-inch 4K monitor. Engineered for competitive gamers and creative professionals, this 144Hz gaming display delivers ultra-smooth visuals with Variable Refresh Rate (VRR) support and 240Hz capability. The stunning 3840 x 2160 resolution combined with NeoQLED quantum dot technology creates vibrant, lifelike imagery perfect for esports, content creation, and immersive entertainment.
Key Features
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55-inch NeoQLED Panel — Quantum dot technology for superior color accuracy and brightness
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4K Resolution (3840 x 2160) — Crystal-clear detail for gaming and professional work
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144Hz Refresh Rate with VRR Support — Eliminates screen tearing for competitive gaming advantage
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240Hz Capability — Future-ready performance for next-gen gaming systems
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Ultra-Low Latency — Optimized response time for fast-paced gameplay
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HDR Support — Enhanced contrast and color depth for immersive visuals
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Gaming-Optimized Design — Built for esports performance and professional streaming
Technical Specifications
| Specification |
Details |
| Manufacturer |
Samsung Electronics America |
| Part Number |
QN55LS03HEFXZA |
| Screen Size |
55 inches |
| Display Technology |
NeoQLED |
| Resolution |
3840 x 2160 (4K UHD) |
| Refresh Rate |
144Hz (VRR Support) / 240Hz Capable |
| Panel Type |
Quantum Dot LED |
| Color Gamut |
Wide Color Gamut |
| HDR Support |
Yes |
| Response Time |
Ultra-Low Latency |
| Connectivity |
HDMI, DisplayPort |
Frequently Asked Questions
Is this 55-inch 4K monitor good for gaming?
Yes, the Samsung NeoQLED 55-inch display excels for gaming with its 144Hz refresh rate, VRR support, and 240Hz capability. The 4K resolution combined with ultra-low latency makes it ideal for both competitive esports and immersive single-player experiences.
What is VRR and why does it matter?
Variable Refresh Rate (VRR) synchronizes the monitor's refresh rate with your GPU's frame output, eliminating screen tearing and stuttering. This results in smoother, more responsive gameplay—essential for competitive gaming.
Can this monitor handle 240Hz gaming?
The QN55LS03HEFXZA is 240Hz capable, meaning it can display up to 240 frames per second when paired with compatible graphics cards and content sources, providing future-ready performance for next-generation gaming.
What makes NeoQLED technology special?
NeoQLED combines quantum dot technology with advanced LED backlighting to deliver superior brightness, color accuracy, and contrast. This results in vibrant, lifelike visuals perfect for both gaming and professional content creation.
