1. Introduction
Welcome to the user manual for your new GMKtec Nucbox G2 Plus Mini PC. This compact and powerful desktop computer is designed for a wide range of applications, from everyday computing and office tasks to 4K triple display setups and light gaming. This manual will guide you through the setup, operation, maintenance, and troubleshooting of your device to ensure optimal performance and longevity.
2. Product Overview
The GMKtec Nucbox G2 Plus is a high-performance mini PC featuring the Intel N150 processor, 12GB DDR5 RAM, and a 256GB M.2 2242 SSD. Its compact design belies its robust capabilities, offering efficient performance for various computing needs.

Figure 2.1: GMKtec Nucbox G2 Plus Mini PC - Front and Side View
This image displays the compact design of the GMKtec Nucbox G2 Plus Mini PC, showcasing its sleek black and silver casing with blue accents. The front features USB ports and a power button, while the side highlights its small form factor.

Figure 2.2: GMKtec Nucbox G2 Plus Key Features Overview
An infographic detailing the core specifications of the Nucbox G2 Plus, including its Intel N150 processor, 256GB SSD, 12GB LPDDR5 RAM, Intel Graphics, USB3.2, WiFi6, Bluetooth 5.2, Dual RJ45 Giga LAN, and ergonomic design.
Video 2.1: NucBox G2 Intel Alder Lake N100 Mini PC Unpack
This video provides an unboxing experience of the NucBox G2 Mini PC, showcasing its compact size and initial presentation. It offers a first look at the device and its included accessories.
Video 2.2: GMKtec Mini PC Intel N100 Wins 11 Pro DDR5 RAM M.2 SSD Overview
This video highlights the features of the GMKtec Mini PC, including its Intel N100 processor, DDR5 RAM, and M.2 SSD. It provides a detailed look at the internal components and overall capabilities of the device.
3. What's in the Box
Upon opening your GMKtec Nucbox G2 Plus package, you should find the following items:
- GMKtec Nucbox G2 Plus Mini PC Intel N150 12GB RAM 256GB SSD
- Blue Cover Lid
- VESA Mount with Screws
- Power Adapter
- HDMI Cable

Figure 3.1: Retail Boxed Packaging Contents
This image illustrates all the components included in the GMKtec Nucbox G2 Plus retail package, neatly arranged alongside the main unit and its packaging.
4. Setup
Follow these steps to set up your GMKtec Nucbox G2 Plus Mini PC:
- Connect Peripherals: Connect your monitor(s) to the HDMI 2.0 ports or the DP V1.4 port. Connect your keyboard and mouse to the available USB 3.2 ports.
- Connect to Power: Plug the power adapter into the Type-C 12V/3A port on the mini PC, then plug the adapter into a power outlet.
- Power On: Press the power button located on the front of the mini PC. The power indicator light will illuminate.
- Initial Windows Setup: Follow the on-screen instructions to complete the Windows 11 Pro setup, including language, region, network connection, and user account creation.
- Optional VESA Mount Installation: If desired, use the included VESA mount and screws to attach the mini PC to the back of a compatible monitor or to a wall for a tidy setup.

Figure 4.1: Rich Multi-functional Interface
This diagram highlights the various ports and connections available on the GMKtec Nucbox G2 Plus, including USB 3.2, HDMI, DP, 3.5mm Audio Jack, Giga LAN (RJ45), and Type-C power input, illustrating its versatility for connecting multiple devices.

Figure 4.2: Included VESA Mount
An image demonstrating how the VESA mount can be used to attach the mini PC to the back of a monitor, providing a clean and space-saving desktop solution.
5. Operating Instructions
Your GMKtec Nucbox G2 Plus is ready for use after the initial setup. Here are some key operating features:
5.1. Multi-Display Setup
The mini PC supports up to three 4K@60Hz displays simultaneously via its two HDMI 2.0 ports and one DP V1.4 port. This allows for enhanced productivity and immersive entertainment experiences.

Figure 5.1: Triple Screen Display Setup
This image illustrates the capability of the mini PC to connect to three screens simultaneously, showcasing a multi-monitor setup for increased workspace or entertainment.
5.2. Network Connectivity
- WiFi 6: Enjoy high-speed wireless connectivity with 802.11ax, offering speeds up to 600Mbps for browsing and streaming.
- Bluetooth 5.2: Connect multiple wireless devices such as mice, keyboards, and audio peripherals with a stable and fast Bluetooth connection.
- Dual Gigabit Ethernet (RJ45): For stable and fast wired network connections, the mini PC is equipped with two 1000M RJ45 ports.
5.3. General Usage
The GMKtec Nucbox G2 Plus is optimized for routine tasks, office applications, and home entertainment. Its Intel N150 processor provides sufficient power for multitasking and running various software applications smoothly.
Video 5.2: Nucbox G2 Intel N100 Student Video Game Gameplay Review
This video demonstrates the gaming performance of the Nucbox G2 Mini PC with an Intel N100 processor, showcasing its capability to handle various games for student and casual use.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your mini PC:
6.1. Storage Expansion
The mini PC comes with a built-in 256GB M.2 2242 SSD. You can expand the storage capacity up to 2TB by replacing the existing M.2 SSD. Refer to the detailed instructions in the full user manual for safe installation.

Figure 6.1: Twin Lake Intel N150 Expandable Storage
A detailed diagram showing the internal components of the mini PC, including the M.2 2242 SATA SSD and the cooling fan system, highlighting the expandability of the storage up to 2TB.
6.2. Cooling System
The Nucbox G2 Plus features a smart quiet cooling fan system with dual copper turbine cooling pipes to maintain optimal operating temperatures and prevent overheating.
6.3. General Care
- Keep the device in a well-ventilated area to ensure proper airflow.
- Avoid exposing the mini PC to extreme temperatures, humidity, or direct sunlight.
- Clean the exterior with a soft, dry cloth. Do not use liquid cleaners.
7. Troubleshooting
If you encounter issues with your GMKtec Nucbox G2 Plus, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No Power | Power adapter not connected or faulty. | Ensure power adapter is securely connected to the PC and power outlet. Test with another outlet if possible. |
| No Display | Monitor not connected or input source incorrect. | Check HDMI/DP cable connections. Ensure monitor input source is set correctly. |
| Slow Performance | Too many applications running, low storage space. | Close unnecessary applications. Free up disk space. Consider upgrading SSD if frequently low on space. |
| Network Connectivity Issues | WiFi/Bluetooth drivers outdated or signal interference. | Update network drivers. Move closer to router or reduce interference from other devices. |
8. Specifications
Detailed technical specifications for the GMKtec Nucbox G2 Plus Mini PC:
| Feature | Specification |
|---|---|
| Processor | Intel N150 (4 Core 4 Threads, 6MB cache, up to 3.6GHz) |
| RAM | 12 GB DDR5 (4800 MT/s) |
| Storage | 256 GB M.2 2242 SATA/PCIE SSD (Expandable to 2TB) |
| Graphics | Intel UHD Graphics (max 1000MHz) |
| Video Output | 2 x HDMI 2.0 (4K@60Hz), 1 x DP V1.4 (4K@60Hz) |
| USB Ports | 3 x USB 3.2 (up to 5Gbps/S) |
| Network | WiFi 6 (802.11ax), Bluetooth 5.2, 2 x Gigabit Ethernet RJ45 1000M |
| Audio | 3.5mm Audio Jack |
| Operating System | Windows 11 Pro |
| Dimensions | 3.42 x 3.42 x 1.55 inches |
| Weight | 1.65 pounds |
| Special Features | Wake On LAN, PXE Boot, RTC Wake, Auto Power On |
9. Warranty and Support
GMKtec is committed to providing reliable products and excellent customer service.
9.1. Warranty Information
Your GMKtec Nucbox G2 Plus Mini PC comes with a 1-year limited GMKtec warranty, effective from the date of purchase. This warranty covers defects due to design and workmanship. Please retain your proof of purchase for warranty claims.
9.2. Customer Support
For any technical assistance, troubleshooting, or warranty inquiries, please contact the GMKtec professional after-sales team:
- Email: support@gmktec.com
- Customer support is available 24/7 to address your needs.





