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MSI Stealth GS66 12UH-285
Specs
Prices
Main specs
| Processor | |
|---|---|
| Screen | 15.6" 2560x1440 240Hz 100% DCI-P3 |
| Hard drive | 1TB SSD |
| RAM | 64GB DDR5-SDRAM |
| Operating system | Windows 11 Pro |
| Graphics card | NVIDIA GeForce RTX 3080 8GB GDDR6 |
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Full specifications of MSI Stealth GS66 12UH-285
| Reference / Part Number | STEALTH GS66 12UH-285 |
|---|---|
| Release date | September 2025, 1 year ago |
Design
| Product type | Laptop |
|---|---|
| Product colour | Black |
| Form factor | Clamshell |
| Colour name | Core Black |
| Market positioning | Gaming |
| Original brand name | MSI |
Image gallery
Screen
| Display diagonal | 39,6 cm |
|---|---|
| Display resolution | 2560 x 1440 pixels |
| Touchscreen | No |
| HD type | Quad HD |
| Native aspect ratio | 16:9 |
| RGB colour space | DCI-P3 |
| Colour gamut | 100 % |
| Display response rise/fall | 2,5 ms |
| Maximum refresh rate | 240 Hz |
Processor
| Processor family | Intel® Core™ i9 |
|---|---|
| Processor manufacturer | Intel |
| Processor model | i9-12900H |
| Processor generation | 12th gen Intel® Core™ i9 |
| Processor cores | 14 |
| Processor boost frequency | 5 GHz |
| Performance cores | 6 |
| Efficient cores | 8 |
| Performance-core Max Turbo Frequency | 5 GHz |
| Efficient-core Max Turbo Frequency | 3,8 GHz |
| Processor cache | 24 MB |
| Processor cache type | Smart Cache |
| Processor base power | 45 W |
| Maximum turbo power | 115 W |
Memory
| Internal memory | 64 GB |
|---|---|
| Maximum internal memory | 64 GB |
| Internal memory type | DDR5-SDRAM |
| Memory clock speed | 4800 MHz |
| Memory form factor | SO-DIMM |
| Memory layout (slots x size) | 2 x 32 GB |
| Memory slots | 2x SO-DIMM |
Storage
| Total storage capacity | 1 TB |
|---|---|
| Storage media | SSD |
| Optical drive type | No |
| Total SSDs capacity | 1 TB |
| Number of SSDs installed | 1 |
| SSD capacity | 1 TB |
| SSD interface | PCI Express 4.0 |
| NVMe | Yes |
Graphics
| On-board graphics card | Yes |
|---|---|
| Discrete graphics card | Yes |
| Discrete graphics card model | NVIDIA GeForce RTX 3080 |
| On-board graphics card model | Intel Iris Xe Graphics |
| Discrete GPU manufacturer | NVIDIA |
| Discrete graphics card memory | 8 GB |
| Discrete graphics memory type | GDDR6 |
| On-board GPU manufacturer | Intel |
| On-board graphics card family | Intel Iris Xe Graphics |
Audio
| Number of built-in speakers | 2 |
|---|
Camera
| Front camera | Yes |
|---|---|
| Front camera HD type | HD |
| Video capturing speed | 30 fps |
| Infrared (IR) camera | Yes |
Network
| Mobile network connection | No |
|---|---|
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Wi-Fi standards | Wi-Fi 6E (802.11ax) |
| Antenna type | 2x2 |
| WLAN controller model | Killer Wi-Fi 6E AX1675 |
| WLAN controller manufacturer | Killer |
| Ethernet LAN | Yes |
| Ethernet LAN data rates | 10,100,1000,2500 Mbit/s |
| Bluetooth | Yes |
| Bluetooth version | 5.2 |
Ports & interfaces
| USB 2.0 ports quantity | 0 |
|---|---|
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 0 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 0 |
| HDMI ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| Thunderbolt 4 ports quantity | 1 |
| Intel® Thunderbolt 4 | Yes |
| Combo headphone/mic port | Yes |
| USB Type-C DisplayPort Alternate Mode | Yes |
Keyboard
| Numeric keypad | No |
|---|---|
| Pointing device | Touchpad |
| Keyboard backlit | Yes |
| Keyboard backlit colour | RGB |
| Keyboard backlit zone | Per-key RGB |
| Keyboard number of keys | 84 |
Software
| Operating system installed | Windows 11 Pro |
|---|
Battery
| Battery capacity | 99,99 Wh |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
| Number of battery cells | 4 |
Power
| USB Type-C charging port | Yes |
|---|---|
| AC adapter power | 240 W |
| USB Power Delivery (USB PD) | Yes |
Security
| Fingerprint reader | Yes |
|---|
Weight & dimensions
| Weight | 2,1 kg |
|---|---|
| Width | 358,3 mm |
| Depth | 248 mm |
| Height | 18,3 mm |
| Height (front) | 1,98 cm |
Packaging content
| AC adapter included | Yes |
|---|
Other features
| Warranty period | 3 year(s) |
|---|
Frequently asked questions
Is the MSI Stealth GS66 12UH-285 good for gaming?
You can game on it, though this laptop was not built for it: it carries the dedicated NVIDIA GeForce RTX 3080. Its card's page shows what level it handles current games at.
What is the screen of the MSI Stealth GS66 12UH-285 like?
It carries a 15.6" 2560x1440 240Hz 100% DCI-P3 display.
Which processor and graphics card does the MSI Stealth GS66 12UH-285 have?
It runs on the Intel Core i9-12900H processor with the NVIDIA GeForce RTX 3080 graphics. Their pages carry their benchmarks, ranking position and alternatives.
Can the RAM of the MSI Stealth GS66 12UH-285 be upgraded?
It has 2 memory slots, but it already ships with the maximum it takes (64 GB).
Which operating system does the MSI Stealth GS66 12UH-285 come with?
It comes with Windows 11 Pro preinstalled.
Which ports does the MSI Stealth GS66 12UH-285 have?
According to its spec sheet: 1 × Thunderbolt 4, 1 × USB-C, 2 × USB-A, 1 × HDMI, Ethernet (RJ-45), headphone jack (3.5 mm).
Does the MSI Stealth GS66 12UH-285 have a backlit keyboard?
Yes, according to its spec sheet the keyboard is backlit.
Does the MSI Stealth GS66 12UH-285 have a touch screen?
No, according to its spec sheet the screen is not a touch screen.
How much does the MSI Stealth GS66 12UH-285 weigh?
It weighs 2,1 kg, a normal weight for its size: easy enough to move around.
When was the MSI Stealth GS66 12UH-285 released?
Its release date is September 2025, 1 year ago.