MSI GS66 Stealth 15" UHD i9 RTX 3080 Gaming Laptop




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MSI GS66 Stealth 15" UHD i9 RTX 3080 Gaming Laptop

15.6" MSI GS66 Stealth 11UH-085, UHD, i9 11900H, 64GB DDR4, 2TB NVMe SSD, 16GB RTX 3080, TB4, Win10 Pro

Screen Size15.6"
Screen Type 
Resolution3840x2160 (Ultra HD)
Refresh Rate60Hz
Response Time 
NVIDIA G-Sync TechnologyNo
AMD FreeSync TechnologyNo
CPU TypeIntel Core i9 11900H
CPU Cores8 Core
CPU Threads16
CPU Speed 
CPU Boost4.9 GHz
Unlocked/Overclockable CPUNo
RAM Memory
Memory64GB (2x32GB)
Memory TypeDDR4 SO-DIMM
Memory Speed 
Maximum Memory Supported64GB (2x32GB)
Graphics ChipsetNVIDIA GeForce RTX 3080 Laptop GPU
Graphics Memory16GB
Graphics Memory TypeGDDR6
GPU Cores/Streams/Execution Units6144
Graphics Core Clock 
Graphics Boost Clock 
Graphics Memory Clock 
Graphics Memory Bus256 Bit
Maximum Graphics Power 
VR ReadyYes
NVIDIA Max-Q DesignYes
NVIDIA 3rd Gen Max-Q TechnologiesYes
Real-Time Ray TracingYes
Rays Cast 
Storage Drives
HDD CapacityN/A
SSD Capacity2048 GB
Storage TypeSSD (M.2 PCIe NVMe)
Storage Slots & Bays
  • 1 x M.2, 22-80, PCIe - OCCUPIED
  • 1 x M.2, 22-80, PCIe/SATA - AVAILABLE
Other Laptop Specifications
Optical DriveN/A
Card ReaderNo
Built-in microphoneYes
Keyboard Type/LanguageChiclet / UK / RGB (Per-Key)
Battery4-cell, Li Ion, 99.9Wh
Security Features 
Operating SystemWindows 10 Pro
Accessories Included in Box 
Notebook Dimensions358 x 19.8 x 248 mm (WxHxD)
Weight (Inc. Battery)2.1 kg
  • 1 x HDMI 2.0
  • 1 x Headphone / Mic
  • 1 x RJ-45
  • 1 x Thunderbolt 4
  • 3 x USB 3.2 Gen2 Type-A
  • 1 x USB 3.2 Gen2 Type-C


Additional Information
Model Number9S7-16V412-085
ModelGS66 Stealth 11UH-085UK
MSI GS66 Stealth 15" UHD i9 RTX 3080 Gaming Laptop : image 1 

MSI GS66 Stealth UHD Laptop with Intel i9 & RTX 3080 Graphics

MSI GS66 Stealth Black UHD i9 11th Gen RTX Laptop

Sharper in Core Black The MSI GS66 Stealth is the very first laptop equipped with Wi-Fi 6E in the world. Equipped with the latest 11th Gen Intel® Core™ i9 processor and NVIDIA's latest GeForce® RTX™ 30 Series graphics – both combined boasts an incredible overall gaming performance. Featuring a beautiful 15.6" 4K Ultra HD display which ensures that gaming with MSI will be immersive beyond belief. Along with the Steelseries Per-Key RGB keyboard that illuminates your stage ready for the win. The GS66 Stealth is ultra-thin and light, while paired with the world's highest 99.9WHr battery capacity and latest Wi-Fi 6E. The exclusive MSI Center helps you control and customize your MSI laptop the way you want. Monitor, adjust, optimize and may useful features are built in one unified system. It offers maximum flexibility with new functions such as Smart Image Finder, UI Skin option and more to customize to your preference.

i9-11900HIntel Processor

64GB(2x 32GB) Memory

RTX 3080NVIDIA GeForce Graphics


Now with 11th Generation Intel Processors

Intel Processor

REVEAL TRUE COMPUTING PERFORMANCE Experience exciting gameplay and faster rendering with the latest 11th Gen Intel® i9 processors with 8-core and up to 4.9GHz dual core turbo frequency, the GS66 Stealth maximizes efficiency in gameplay, multi-task work and productivity. With state-of-the-art Intel® Turbo Boost Max Technology 3.0 (ITBM 3.0), it brings massive frequency boost on your fastest cores for more flexibility to get the best from your processor. You can be confident that you have unprecedented performance wherever you go. MSI continuously raise the bar with providing high-end gaming laptops to meet the new standard to boost your true gaming power.

All-New GeForce RTX 30 Series Laptops

GeForce RTX 30 Series Graphics

Discrete Graphics Mode & Overclock The MSI GS66 Stealth features the all-new NVIDIA GeForce RTX™ 30 Series, which powers the world's fastest laptops for gamers and creators. The GeForce RTX™ 30 Series are built with the award-winning Ampere – NVIDIA's 2nd gen RTX™ architecture – with new RT Cores, Tensor Cores, and streaming multiprocessors for the most realistic ray-traced graphics and cutting-edge AI features. Select between "Discrete Graphics Mode" or "MSHybrid Graphics Mode" (NVIDIA Optimus), the switchable graphics technology offers powerful gaming performance and efficiency. Moreover, the graphic power can be further elevated through overclock option with adjustable GPU core clock and VRAM frequency via MSI Center within extreme mode.

Blaze Through the Game


UHD3840x2160 Resolution

4.9mmThin bezels

84%Screen ratio

Experience True Precision and Clarity The stunning MSI GS66 Stealth has a sharp and sleek core black chassis and features a 15.6" Ultra HD 3840x2160 Display panel, which offers beautiful visuals and detail. MSI gaming laptop displays are tailor-made and highly optimized for gamers. With a high refresh rate and smooth visuals, it becomes the ultimate support for gamers to be invincible. Experience fluid precision that can finally keep up with your reactions. Giving you a clear advantage against your opponents.

A Completely Unique Keyboard by Steelseries


Customise every single key Make the MSI GS66 Stealth your very own by tailoring your keyboard to your style. Customise each key to your liking and receive real-time in-game status through the GS66's keyboard lighting. Or, you can even watch the lights dance to your favourite music.

Experience the Superior Sound with Duo Wave Speaker

Dynaudio sound System

Tuned to Perfection Feel the best and the most authentic audio experience with MSI’s front-firing Speaker in world-class Dynaudio sound system. It generates a sonorous bass and clean, crisp sound and let gamers to enjoy the immersive auditory sensation.

Stay Cool, Stay Powerful

Trinity+ CoolerBoost Cooling

Cooler Boost Trinity + In order to keep this much power in check, MSI have updated their exclusive design to ensure advanced thermal dissipation. MSI’s exclusive Cooler Boost Technology ensures optimal thermal dissipation. With the world’s thinnest 0.1 mm sharp-edged fan blade design, the new Cooler Boost Trinity+ enhances the fan airflow and provides the best gaming experience.

Connect Your Way

Trinity+ CoolerBoost Cooling

Extraordinary Wireless Experience GS66 Stealth includes USB 3.2 Gen2 Type-C with DP, Thunderbolt™ 4, RJ45, HDMI 2.0 and much more. The latest Wi-Fi 6E delivers stunning speed while keeps the network smooth and stable even when sharing the network with numerous users. With its outstanding throughput and low latency, you just beat others to it.

USB Type-A

3xUSB3.2 Type-A

USB Type-C

1xUSB3.2 Type-C with DP


1xThunderbolt 4

Combo Headphone/Mic port

1xCombo jack

HDMI 2.0

1xHDMI 2.0

Surrounded by a Matrix Display

Matrix Display

Multi-Task with Ease Users can multi-task with up to three monitors. Expand your vision across multiple display with HDMI, Thunderbolt™ 4 & mini DisplayPort, or enjoy up to 8K resolution output via Thunderbolt™ 4 or mini DisplayPort for some extra productivity and fun. With the latest innovation – Console Mode, gamers can experience console-like to laptop with intuitive UI dedicatedly design for mainstream wireless controllers. It also offers hot key customization for hard core mobile gamer to enhance game win rate.

NVIDIA Ampere Architecture

NVIDIA Ampere Architecture


3rd Gen Tensor CoresUP TO 2X THROUGHPUT


DLSS AI Acceleration

Max FPS. Max Quality. Powered by AI. NVIDIA DLSS is groundbreaking AI rendering that boosts frame rates with uncompromised image quality using the dedicated AI processing Tensor Cores on GeForce RTX. This gives you the performance headroom to crank up settings and resolutions for an incredible visual experience. The AI revolution has arrived to gaming.


Ultimate Ray Tracing And AI

RTX Technology

RTX. It’s On.Only NVIDIA’s RTX platform includes dedicated RT Cores for ray tracing and Tensor Cores for AI that enable groundbreaking technologies at breakthrough speed. Experience today’s biggest blockbusters like never before. RTX. It’s On.

NVIDIA Reflex Dynamically Reduces System Latency


Victory Measured in MillisecondsNVIDIA Reflex delivers the ultimate competitive advantage. The lowest latency. The best responsiveness. Powered by GeForce RTX™ 30 Series GPUs and NVIDIA® G-SYNC® monitors. Acquire targets faster, react quicker, and increase aim precision through a revolutionary suite of technologies built to optimise and measure system latency for competitive games.

Create as Fast as your Imagination

create with AI

Up Your Creative GameTake your creative projects to a new level with GeForce RTX 30 Series GPUs. Delivering AI-acceleration in top creative apps. Backed by the NVIDIA Studio platform of dedicated drivers and exclusive tools. And built to perform in record time. Whether you’re rendering complex 3D scenes, editing 8K video, or livestreaming with the best encoding and image quality, GeForce RTX GPUs give you the performance to create your best.

Transform any Room Into your Home Studio


Stream Like a Boss Live streamers can now level up their game even further with the new NVIDIA Broadcast app. It upgrades any room into a home broadcast studio by transforming standard webcams and microphones into smart devices through the power of AI. The Broadcast app offers three AI-powered features which are: Noise Removal, Virtual Background and Auto frame so the focus always remains on you.

DirectX Raytracing Allows Incredibly Realistic Graphic Effects

DirectX 12 Ultimate

DirectX 12 Ultimate offers features like ray tracing and variable rate shading DirectX Raytracing allows games to simulate how light works in real life, providing incredibly realistic and beautiful graphics effects like global illumination, reflections, and shadows.

NVIDIA has partnered closely with Microsoft to enable full DXR support on GeForce GPUs. GeForce RTX GPUs were designed from the start for the extreme demands of ray-tracing workloads. Specialised RT cores, found only on GeForce RTX graphics cards, provide billions of rays per second of performance, and up to 3X the frame rates with DXR games and applications. This makes ray tracing at real-time frame rates possible for the first time.

GeForce RTX 30 Series Features

8K Gaming

8K HDR GamingStep up to the ultimate 4K gaming experience with the GeForce RTX and enjoy today’s biggest games in amazing detail.

GeForce Experience

GeForce ExperienceThe essential companion to your GeForce graphics card. Capture and share videos, screenshots, and livestreams. Keep your drivers up to date and optimize your games.

Game Ready Drivers

Game Ready DriversGet the highest levels of performance, and the smoothest experience possible, from the moment you start playing.


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MSI GS66 Stealth 15" UHD i9 RTX 3080 Gaming Laptop

MSI GS66 Stealth 15" UHD i9 RTX 3080 Gaming Laptop


Write a review