Samsung QN55S90HA 55" OLED 4K 165Hz Gaming Monitor with VRR Support
The Samsung QN55S90HA OLED gaming monitor delivers elite performance for competitive gamers and creative professionals demanding ultra-responsive 4K visuals. This 55-inch OLED display combines stunning 3840 x 2160 resolution with blazing-fast 165Hz refresh rates and variable refresh rate (VRR) support, eliminating screen tearing and stuttering during intense gameplay. Perfect for esports enthusiasts, content creators, and professionals who refuse to compromise on color accuracy, contrast, or responsiveness.
Key Features
- 55-inch OLED panel with perfect blacks and infinite contrast ratio
- 4K UHD resolution (3840 x 2160 pixels) for stunning detail and clarity
- 165Hz refresh rate with VRR support for ultra-smooth gaming performance
- Sub-1ms response time for competitive gaming advantage
- HDR10+ certified for enhanced color depth and brightness
- AMD FreeSync Premium and NVIDIA G-Sync compatible
- Quantum Dot OLED technology for vibrant, accurate colors
- USB-C connectivity with power delivery for streamlined setup
- Picture-by-Picture (PBP) and Picture-in-Picture (PiP) modes
- Adjustable stand with height, tilt, and pivot options
Technical Specifications
| Specification |
Details |
| Manufacturer |
Samsung Electronics America |
| Model Number |
QN55S90HAEXZA |
| Display Size |
55 inches (diagonal) |
| Panel Type |
Quantum Dot OLED |
| Resolution |
3840 x 2160 (4K UHD) |
| Refresh Rate |
165Hz native |
| Response Time |
<1ms (GtG) |
| Color Gamut |
DCI-P3 98.5% |
| Brightness |
200 nits (typical) |
| Contrast Ratio |
Infinite (OLED) |
| HDR Support |
HDR10+ |
| Adaptive Sync |
AMD FreeSync Premium, NVIDIA G-Sync Compatible |
| Connectivity |
2x HDMI 2.1, 1x DisplayPort 1.4, 1x USB-C (65W PD) |
| Power Consumption |
Approx. 150W (typical) |
| Dimensions |
48.6" x 28.2" x 2.4" (W x H x D) |
| Weight |
Approx. 33 lbs |
Frequently Asked Questions
Is the Samsung QN55S90HA suitable for competitive gaming?
Yes. The 165Hz refresh rate combined with sub-1ms response time and VRR support makes this OLED gaming monitor ideal for competitive esports. The variable refresh rate eliminates screen tearing, while the ultra-fast response time ensures every frame is crisp and responsive.
What is the difference between 4K OLED and standard LCD displays?
OLED technology produces perfect blacks by turning off individual pixels, delivering infinite contrast and superior color accuracy compared to LCD. This 4K OLED monitor offers deeper blacks, more vibrant colors, and better overall image quality for gaming and creative work.
Does this 55-inch monitor support both AMD and NVIDIA graphics cards?
Absolutely. The QN55S90HA features AMD FreeSync Premium and NVIDIA G-Sync compatibility, making it compatible with both AMD Radeon and NVIDIA GeForce graphics cards for smooth, tear-free gaming.
What connectivity options are available on the Samsung QN55S90HA?
The monitor includes dual HDMI 2.1 ports for high-bandwidth video, DisplayPort 1.4 for maximum bandwidth support, and USB-C with 65W power delivery for simplified connectivity and charging of compatible devices.
