| Processor | MSI Gaming Stealth GS66 12UGS-259NL | |
| Processor manufacturer | Intel | |
| Processor model | i9-12900H | |
| Processor cores | 14 | |
| Processor family | Intel Core i9 | |
| Processor boost frequency | 5 GHz | |
| Processor cache | 24 MB | |
| Software | MSI Gaming Stealth GS66 12UGS-259NL | other notebooks |
| Operating system installed | Windows 11 Pro | |
| Display & Graphics | MSI Gaming Stealth GS66 12UGS-259NL | other notebooks |
| Display diagonal | 15.6 inch | |
| Display resolution | 3840 x 2160 pixels | |
| HD type | 4K Ultra HD | |
| Maximum refresh rate | 240 Hz | |
| Touchscreen | No | |
| Discrete graphics memory type | GDDR6 | |
| Memory | MSI Gaming Stealth GS66 12UGS-259NL | other notebooks |
| Internal memory | 32 GB | |
| Maximum internal memory | 64 GB | |
| Memory clock speed | 4800 MHz | |
| Memory layout (slots x size) | 2 x 16 GB | |
| Internal memory type | DDR5-SDRAM | |
| Storage | MSI Gaming Stealth GS66 12UGS-259NL | other notebooks |
| SSD capacity | 1 TB | |
| SSD interface | PCI Express 4.0 | |
| SSD form factor | M.2 | |
| Storage media | SSD | |
| Number of SSDs installed | 1 | |
| Total SSDs capacity | 1 TB | |
| Total storage capacity | 1 TB | |
| Optical drive type | No | |
| Network & Communication | MSI Gaming Stealth GS66 12UGS-259NL | other notebooks |
| Bluetooth | Yes | |
| Bluetooth version | 5.2 | |
| Ethernet LAN | Yes | |
| Wi-Fi | Wi-Fi 6E (802.11ax) | |
| Wi-Fi standards | Wi-Fi 6E (802.11ax) | |
| Interfaces/Ports | MSI Gaming Stealth GS66 12UGS-259NL | other notebooks |
| HDMI ports quantity | 1 | |
| Ethernet LAN (RJ-45) ports | 1 | |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C | 2 | |
| USB Type-C DisplayPort Alternate Mode | Yes | |
| Input Devices | MSI Gaming Stealth GS66 12UGS-259NL | other notebooks |
| Keyboard backlit | Yes | |
| Keyboard backlit colour | RGB | |
| Pointing device | Touchpad | |
| Audio | MSI Gaming Stealth GS66 12UGS-259NL | other notebooks |
| Number of speakers | 2 | |
| Built-in Devices | MSI Gaming Stealth GS66 12UGS-259NL | other notebooks |
| Front camera | Yes | |
| Front camera HD type | HD | |
| Infrared camera | Yes | |
| Video capturing speed | 30 fps | |
| Power | MSI Gaming Stealth GS66 12UGS-259NL | other notebooks |
| AC adapter power | 240 W | |
| Security | MSI Gaming Stealth GS66 12UGS-259NL | other notebooks |
| Fingerprint reader | Yes | |
| Design | MSI Gaming Stealth GS66 12UGS-259NL | other notebooks |
| Product type | Notebook | |
| Form factor | Clamshell | |
| Product colour | Black | |
| Depth | 248 mm | |
| Width | 358.3 mm | |
| Height (front) | 1.98 cm | |
| Height | 18.3 mm | |
| Weight | 2.1 kg | |
| Battery Information | MSI Gaming Stealth GS66 12UGS-259NL | other notebooks |
| Battery capacity | 99.99 Wh | |
| Number of battery cells | 4 | |
