MSI Thin 15 B12UCX Core i5 1240H – 8GB DDR4 RAM – 512GB SSD – GeForce RTX 2050 4GB – 15.6 FHD 144Hz IPS Gaming Laptop
The MSI Thin 15 B12UCX is a powerful yet portable gaming laptop, designed for gamers, students, and creators. It features a 12th Gen Intel Core i5-12450H processor and NVIDIA GeForce RTX 2050 graphics. This laptop delivers strong performance for popular games and daily tasks. With its vibrant 15.6-inch Full HD 144Hz IPS display and efficient cooling, it provides a smooth and immersive experience in a thin and light chassis.
Unleash Responsive Gaming Performance:
Experience seamless gaming with the MSI Thin 15 B12UCX. It is powered by the 12th Generation Intel Core i5-12450H processor. This CPU boasts 8 cores (4 Performance + 4 Efficient) and 12 threads, with a max turbo frequency up to 4.40 GHz. Therefore, it ensures efficient processing for multitasking projects and demanding games. Coupled with the NVIDIA GeForce RTX 2050 Laptop GPU with 4GB of GDDR6 VRAM, you’ll experience smooth frame rates and enhanced visuals. This truly creates an engaging gaming experience.
Fast Memory and Ample Storage:
Equipped with 8GB of DDR4-3200MHz RAM, the MSI Thin 15 B12UCX ensures smooth multitasking and rapid loading times for games and applications. The laptop supports up to 64GB of DDR4 RAM across two slots for future upgrades. Additionally, the 512GB NVMe PCIe Gen4x4 SSD provides ample storage for your game library and essential files. This also offers significantly faster data access speeds compared to traditional SATA HDDs, reducing load screens and enhancing overall system responsiveness.
Immersive 144Hz Full HD IPS Display:
Dive into your games with the vibrant 15.6-inch Full HD (1920×1080) IPS-Level display. It features a rapid 144Hz refresh rate, ensuring that every movement is captured with sharp and smooth visuals. This high refresh rate provides an incredibly fluid and tear-free visual experience, giving you a competitive edge in fast-paced titles. Moreover, the anti-glare panel with 45% NTSC coverage delivers crisp details, making your content come to life.
Thin Design and Essential Features:
The MSI Thin 15 B12UCX is built with a focus on portability and practical features. Its thin and light chassis makes it easy to carry, while essential components ensure a comfortable and efficient user experience. From its cooling system to versatile connectivity, this laptop is designed for convenience.
Thin and Light Chassis:
Travel with ease thanks to the extremely portable and ultra-slim chassis of the Thin 15 B12UCX. Weighing just 1.86 kg and measuring 21.7 mm thin, this laptop is designed for extreme mobility. The integration of aluminum material on the cover guarantees a smooth, high-quality feel on first contact. This keeps it light and portable, perfect for on-the-go gaming or work.
Stay Cool and Quiet Under Load:
Maintain optimal performance during intense gaming sessions with the fine-tuned cooling system. It is designed to be noticeably quieter and cooler under load, easily blending into any environment. The new CPU & GPU Shared-Pipe design enables real-time heat dissipation balancing between the CPU and GPU for improved efficiency. This ensures maximum performance under extreme gaming conditions, preventing thermal throttling.
Versatile Connectivity:
The Thin 15 provides comprehensive connectivity to let you connect all your devices easily. It includes 1x Type-C (USB3.2 Gen1 / DisplayPort™), 3x Type-A USB3.2 Gen1, 1x HDMI™ (4K @ 30Hz), and 1x RJ45 Ethernet port. This ensures compatibility with a wide range of peripherals, external displays, and network connections. Wireless connectivity is provided by Wi-Fi 6 (802.11ax) and Bluetooth v5.2, offering fast and reliable wireless performance.
User-Friendly Features and Audio:
The MSI Thin 15 B12UCX offers a range of user-centric features and immersive audio capabilities. These enhance usability, provide clear communication, and ensure a seamless computing experience. From its backlit keyboard to its Hi-Res Audio support, this laptop is designed for convenience and quality.
Blue Backlit Gaming Keyboard:
The laptop features a single blue backlit keyboard, providing clear visibility in low-light conditions. This enhances your gaming and typing experience, especially during night sessions. The keyboard is designed for comfortable use, ensuring responsive keystrokes for both gaming and productivity. It also includes a Copilot Key for enhanced functionality (availability may vary by market).
Immersive Audio Experience:
Immerse yourself in lossless music and enjoy premium sound quality with Hi-Resolution Audio support. The laptop features 2x 2W speakers, delivering clear and powerful audio. The audio jack supports both mic-in and headphone-out, allowing for versatile audio setups. This ensures you experience sound the way it’s meant to be heard, enhancing your gaming and multimedia consumption.
Seamless Mobile-PC Gaming with MSI APP Player:
Developed under an exclusive partnership with BlueStacks, the MSI APP Player provides a seamless gaming experience between mobile gaming and the PC. This feature allows you to play your favorite mobile games directly on your laptop, combining the best of both worlds. It enhances versatility and expands your gaming library, offering a unique and convenient way to enjoy mobile titles on a larger screen.
Key Specifications:
Processor & Graphics:
- Processor: Intel Core i5-12450H (12th Gen, 8 Cores: 4 P-cores + 4 E-cores, 12 Threads, 12MB Cache, up to 4.40 GHz Max Turbo Frequency)
- Graphics: NVIDIA® GeForce RTX™ 2050 Laptop GPU 4GB GDDR6 (Up to 1170MHz Boost Clock, 45W Maximum Graphics Power with Dynamic Boost)
Memory & Storage:
- RAM: 8GB DDR4-3200MHz (2 Slots, Max 64GB)
- Storage: 512GB NVMe PCIe Gen4x4 SSD (1x M.2 SSD slot, plus 1x 2.5″ SATA HDD slot for expansion)
Display & Audio:
- Display: 15.6″ FHD (1920×1080), 144Hz Refresh Rate, IPS-Level, 45% NTSC, Thin Bezel, Anti-glare
- Audio: 2x 2W Speakers, Hi-Res Audio Ready, 1x Mic-in/Headphone-out Combo Jack
- Webcam: HD type (30fps@720p)
Connectivity & Ports:
- WLAN: 802.11ax Wi-Fi 6
- Bluetooth: v5.2
- LAN: Gigabit LAN (RJ45)
- I/O Ports:
- 1x Type-C (USB3.2 Gen1 / DisplayPort™)
- 3x Type-A USB3.2 Gen1
- 1x HDMI™ (4K @ 30Hz)
- 1x RJ45 Ethernet
- 1x Mic-in/Headphone-out Combo Jack
Design & Power:
- Color: Cosmos Gray
- Keyboard: Single Backlit Keyboard (Blue) with Copilot Key
- Battery: 3-Cell 52.4 Whr Li-ion Battery
- AC Adapter: 120W adapter
- Dimensions (WxDxH): 359 x 254 x 21.7 mm
- Weight: 1.86 kg
Software & Security:
- Operating System: DOS (varies by configuration, some may include Windows 11 Home)
- Software: MSI Center, MSI APP Player
- Security: Firmware Trusted Platform Module (fTPM) 2.0, Kensington Lock
- Bundled: MSI Essential Backpack, One month of PC Game Pass (availability may vary)
- Warranty: 2 Years
For more detailed information and support, please visit the official MSI Thin 15 B12UCX product page.


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