1. Introduction and Overview
The GMKtec Mini PC NucBox G5 is a compact and powerful mini computer designed for a wide range of applications, from everyday home use to demanding business and office tasks. Featuring the efficient Intel 12th Gen Alder Lake N97 processor, 12GB of high-speed DDR5 RAM, and a 256GB M.2 SSD, this mini PC delivers reliable and stable performance. Its ultra-small footprint saves valuable desk space, making it an ideal solution for modern workspaces and portable computing needs.
Key features include dual 4K UHD HDMI outputs for multi-monitor setups, robust network connectivity with RJ45 Ethernet and WiFi 5, and Bluetooth 5.0 for wireless peripherals. The NucBox G5 is built to handle multimedia, online learning, HTPC functions, and various office applications with ease.

Figure 1.1: GMKtec Mini PC NucBox G5 - Front View

Figure 1.2: Key features of the NucBox G5, highlighting the Intel N97 processor, memory, storage, and connectivity options.
2. What's in the Box
Upon unboxing your GMKtec Mini PC NucBox G5, please ensure all the following items are present:
- GMKtec Nucbox G5 Intel N97 Micro Mini PC Computer
- Power Supply & Cable
- User Manual

Figure 2.1: Contents of the retail packaging for the NucBox G5.
3. Setup
Follow these steps to set up your GMKtec Mini PC NucBox G5:
- Connect to Display: Use an HDMI cable to connect the NucBox G5 to your monitor or TV. The device supports dual 4K UHD displays.
- Connect Peripherals: Plug in your USB keyboard and mouse into the available USB 3.2 ports.
- Power On: Connect the power supply to the DC-in port on the device, then plug it into a power outlet. Press the power button on the front of the mini PC to turn it on.
- Network Connection: For wired internet, connect an Ethernet cable to the RJ45 port. For wireless, the device supports WiFi 5 and Bluetooth 5.0 for wireless accessories.

Figure 3.1: Overview of the NucBox G5's ports, including USB 3.2, HDMI, Type-C, 3.5mm Audio Jack, and RJ45 Ethernet.
4. Operating
The NucBox G5 is designed for versatile operation across various scenarios:
- Office & Business: Ideal for daily office tasks, presentations, and business meetings.
- Home Theater PC (HTPC): Enjoy 4K UHD multimedia playback for movies and streaming.
- Online Learning & Education: Supports stable performance for virtual classrooms and educational applications.
- Light Content Creation: Capable of handling photo editing and light video editing tasks.

Figure 4.1: Visual representation of the NucBox G5 in various usage environments, including office, home theater, and educational settings.
Video 4.1: Official product video showcasing the GMKtec NucBox G5 Mini PC with Intel Alder Lake N97, highlighting its compact size and performance capabilities.
5. Storage Upgrade
The NucBox G5 offers flexible storage upgrade options:
- M.2 2242 SATA SSD: The device comes with a 256GB M.2 2242 SATA SSD, which can be upgraded to a maximum of 2TB.
- microSD Support: Expand storage further with a microSD card, supporting up to 256GB.

Figure 5.1: Diagram illustrating the internal components and upgrade paths for storage, including the M.2 2242 SATA SSD slot.
6. Performance
The NucBox G5 is equipped with an Intel 12th Gen Alder Lake N97 processor, offering significant performance improvements over previous generations. It features 4 Cores and 4 Threads with a base frequency that can burst up to 3.6GHz, supported by 12GB of LPDDR5 RAM at 4800MHz.
- Processor: Intel 12th Gen Alder Lake N97 (4 Cores, 4 Threads, up to 3.6GHz).
- Graphics: Integrated Intel UHD Graphics (1.2 GHz) with 24 execution units, supporting 4K UHD output.
- Memory: 12GB LPDDR5 RAM (4800MHz).
- Network: WiFi 5, Bluetooth 5.0, and 1000M RJ45 Ethernet for stable and fast connectivity.

Figure 6.1: Detailed specifications and performance comparison of the Intel Alder Lake N97 processor.

Figure 6.2: The NucBox G5 supports dual 4K UHD displays via two HDMI 2.0 ports, enhancing productivity.
7. Maintenance
To ensure the longevity and optimal performance of your NucBox G5, consider the following maintenance tips:
- Keep Vents Clear: Ensure the ventilation grilles are not obstructed to allow for proper airflow and prevent overheating.
- Dust Removal: Periodically clean the exterior with a soft, dry cloth. For internal dust, professional cleaning is recommended.
- Software Updates: Regularly update your operating system and drivers to ensure stability and security.
8. Troubleshooting
If you encounter issues with your NucBox G5, try the following basic troubleshooting steps:
- No Power: Ensure the power adapter is securely connected to both the device and the power outlet. Try a different outlet.
- No Display: Verify that the HDMI cable is properly connected to both the mini PC and the monitor. Try a different HDMI port or cable. Ensure the monitor is set to the correct input source.
- Slow Performance: Check for background applications consuming resources. Ensure sufficient free storage space. Consider updating drivers or performing a system restart.
- Network Issues: For wired connections, check the Ethernet cable and router. For Wi-Fi, ensure the device is within range of your router and try restarting the router.
9. Specifications
| Feature | Specification |
|---|---|
| Brand | GMKtec |
| Series | G5 |
| Item Model Number | G5 |
| Processor | 3.6 GHz Intel_Mobile_CPU (Intel 12th Gen Alder Lake N97) |
| RAM | 12 GB DDR5 (4800 MHz) |
| Hard Drive | 256 GB SSD (M.2 2242 SATA, upgradeable to 2TB) |
| Graphics Coprocessor | Intel UHD Graphics (1.20 GHz) |
| Max Screen Resolution | 4096 × 2160 (4K UHD) |
| Wireless Type | Bluetooth 5.0, 802.11a/b/g/n/ac (WiFi 5) |
| Operating System | OS Pro |
| Item Weight | 1.15 pounds |
| Product Dimensions | 2.83 x 2.83 x 1.75 inches |
| Color | Black |
| Ports | USB 3.2×2, HDMI (4K@60Hz)×2, 3.5mm Audio Jack, Type-C×1 (12V/3A), RJ45 1000M Ethernet |
10. Warranty & Support
GMKtec offers a 1-year limited warranty for each mini PC, starting from the date of purchase. All defects due to design and workmanship are covered. For support, you can:
- Contact GMKtec-Shop on Amazon: Login to your Amazon account, go to Your Orders, and select Product Question for assistance.
- Email After-Sales Team: Send an email to support@gmktec.com.
- 24/7 Customer Support: Professional after-sales team is always ready to attend to your needs.





