1. Introdución
Welcome to the GMKtec G9 Mini PC NAS user manual. This guide provides essential information for setting up, operating, maintaining, and troubleshooting your new device. The GMKtec G9 is a versatile mini PC designed for various applications, including home office, entertainment, and network-attached storage (NAS) solutions. It features an Intel N150 processor, dual boot capabilities with Windows 11 Pro and Ubuntu, and extensive connectivity options.

Image 1.1: The GMKtec G9 Mini PC, showcasing its compact design and multiple ports in both vertical and horizontal setups.
2. Que hai na caixa
Verifique que todos os elementos que se indican a continuación estean incluídos no seu paquete:
- GMKtec Nucbox G9 Mini PC (Intel Twin Lake N150, 12GB RAM, 64GB eMMC & 512GB Hard Drive)
- Power Supply & Cable
- Cable HDMI
- VESA Mount and Screws
- Manual de usuario

Image 2.1: The retail packaging and included accessories for the GMKtec G9 Mini PC.
3. Sobrecarga físicaview
Familiarize yourself with the ports and indicators on your GMKtec G9 Mini PC.
3.1. Panel frontal
- Botón de encendido: Preme para acender ou apagar o dispositivo.
- USB 3.2 (10Gbps) Ports: Three ports for connecting high-speed peripherals.
3.2. Panel traseiro
- Entrada de alimentación DC: Conecte o adaptador de alimentación incluído.
- Conector de audio de 3.5 mm: Para auriculares ou altofalantes externos.
- Intel i226V Dual NIC (RJ45) 2.5GbE: Two Ethernet ports for high-speed wired network connections.
- HDMI (4K@60Hz) Ports: Two ports for connecting displays.
- Type-C (DP/DATA/PD) Port: Multi-functional port supporting DisplayPort, data transfer, and Power Delivery.

Imaxe 3.1: Detallada view of the GMKtec G9 Mini PC's front and rear ports, including USB, HDMI, Type-C, and Ethernet connections.
4. Instrucións de configuración
4.1. Conexión de periféricos
- Conectar a pantalla: Use the HDMI cable to connect your monitor(s) to the HDMI ports on the rear panel. For a third display, use the Type-C port with a compatible adapter or monitor.
- Conectar dispositivos de entrada: Plug your USB keyboard and mouse into the available USB 3.2 ports.
- Conectar á rede (opcional): For a wired connection, plug an Ethernet cable into one of the 2.5GbE RJ45 ports. For wireless, ensure your WiFi network is available during initial setup.
- Conectar enerxía: Plug the power adapter into the DC power input on the rear panel, then connect it to a power outlet.
4.2. Acendido
Press the power button located on the front panel. The power indicator light will illuminate.
4.3. Initial Boot and OS Selection
The GMKtec G9 comes pre-installed with Windows 11 Pro (default) and Ubuntu 24.10 (or higher). During startup, you may be prompted to select your desired operating system. Follow the on-screen instructions to complete the initial setup for your chosen OS.
4.4. Opcións de colocación
The compact design of the G9 Mini PC allows for flexible placement. It can be placed horizontally on a desktop or mounted behind a monitor using the included VESA mount.

Imaxe 4.1: Ex.amples of the GMKtec G9 Mini PC's versatile placement, including VESA mounting for space-saving and traditional desktop placement.
5. Instrucións de funcionamento
5.1. Dual Boot System
To switch between Windows 11 Pro and Ubuntu, restart the Mini PC. During the boot sequence, press the designated key (often F7, F10, F11, or DEL, refer to your system's boot menu instructions) to access the boot device selection menu and choose your preferred operating system.
5.2. Conectividade de rede
The G9 Mini PC supports both wired and wireless network connections.
- Rede con cable: Utilize the dual 2.5GbE RJ45 ports for high-speed, stable wired connections. These ports offer up to 2.5 times faster speeds than standard Gigabit Ethernet.
- Rede sen fíos: The device features WiFi 6 (802.11ax) for fast wireless connectivity up to 600Mbps. Bluetooth 5.2 is also integrated for connecting wireless peripherals.

Image 5.1: Illustration of the dual 2.5GbE Ethernet ports and their enhanced data transfer speeds.

Image 5.2: Visual representation of the Mini PC's WiFi 6 and Bluetooth 5.2 capabilities, alongside its 2.5G LAN ports.
5.3. Configuración da pantalla
The G9 Mini PC supports up to three 4K@60Hz displays simultaneously, utilizing its two HDMI 2.0 ports and one full-function Type-C port. This allows for an extended workspace for multitasking, design, or entertainment.

Image 5.3: The GMKtec G9 Mini PC demonstrating its triple display output capability, enhancing productivity across multiple screens.
5.4. NAS Functionality
The G9 Mini PC is equipped with four M.2 2280 PCIe slots, enabling it to function as a Network Attached Storage (NAS) device. This allows for significant storage expansion and various applications:
- Massive Storage: Expand storage up to 16TB (4x 4TB M.2 NVMe SSDs) for backing up files, fotos e vídeos.
- Media Streaming Server: Stream media content seamlessly to various devices on your network.
- Budget Homelab: Create a home network for data storage, surveillance systems, or hosting servers.
- Host Backup: Implement local and off-site backup solutions for your data.
Note: GMKtec does not provide NAS software. Users are responsible for installing and configuring appropriate NAS software.

Image 5.4: Diagram illustrating the four M.2 NVMe slots for storage expansion, supporting up to 16TB for NAS functionality.
5.5. USB-C Port Usage
The Type-C port on the rear panel is a full-function port, supporting:
- DisplayPort (DP): For video output to compatible monitors.
- Transferencia de datos: Transferencia de datos de alta velocidade.
- Entrega de enerxía (PD): Can receive power from a compatible USB-C power source.

Image 5.5: Diagram explaining the multi-functional capabilities of the USB-C port, including Power Delivery, data, audio, and video output.
6. Mantemento
6.1. Limpeza
Regularly clean the exterior of the Mini PC with a soft, dry cloth. Ensure ventilation openings are free from dust and obstructions to maintain optimal airflow.
6.2. Ampliación de almacenamento
The GMKtec G9 supports up to four M.2 2280 PCIe SSDs for storage expansion. To install or replace an SSD:
- Apague o dispositivo e desconecte todos os cables.
- Carefully remove the bottom cover of the Mini PC.
- Locate the M.2 slots and insert the SSDs according to the diagram.
- Secure the SSDs with the provided screws.
- Volva colocar a tapa inferior.

Image 6.1: Step-by-step guide for installing M.2 2280 SSDs into the GMKtec G9 Mini PC.
6.3. Sistema de refrixeración
The G9 Mini PC features a triple cooling fan system, including a large fan for the CPU and two smaller fans for the SSD/DDR compartments. This design ensures efficient heat dissipation while maintaining low noise levels (33-36dB).

Imaxe 6.2: Explosión view of the GMKtec G9 Mini PC, highlighting its internal components and triple cooling fan system.
7 Solución de problemas
This section addresses common issues you might encounter with your GMKtec G9 Mini PC.
| Problema | Causa posible | Solución |
|---|---|---|
| Sen Poder | Power cable not connected; Power adapter faulty; Power outlet issue. | Ensure power cable is securely connected. Test with another power outlet. Contact support if adapter is suspected faulty. |
| Sen visualización | Monitor cable loose; Incorrect input selected on monitor; Monitor faulty. | Check HDMI/Type-C cable connections. Ensure monitor is on correct input. Test with another monitor or cable. |
| No Network Connection (Wired) | Ethernet cable loose/faulty; Router/modem issue; Network driver issue. | Check Ethernet cable connection. Restart router/modem. Verify network drivers are installed in OS. |
| No Network Connection (Wireless) | WiFi disabled; Incorrect password; Router too far; Driver issue. | Ensure WiFi is enabled in OS. Re-enter WiFi password. Move closer to router. Update WiFi drivers. |
| Rendemento lento | Too many applications running; Overheating; Low storage space. | Close unnecessary applications. Ensure proper ventilation. Free up disk space. |
8. Especificacións técnicas
Below are the detailed technical specifications for the GMKtec G9 Mini PC NAS.
| Característica | Especificación |
|---|---|
| Procesador | Intel N150 (4 Cores, 4 Threads, 6MB Cache, up to 3.6GHz) |
| Gráficos | Intel UHD Graphics (up to 1000MHz) |
| RAM | 12 GB LPDDR5 4800 MHz |
| Almacenamento | 64GB eMMC + 512GB M.2 2280 PCIe 3.0 SSD (Supports 4x M.2 2280 PCIe slots, Max 16TB total) |
| Sistema Operativo | Windows 11 Pro (Default) & Ubuntu 24.10 (or higher) Dual Boot |
| Ethernet | Dual Intel i226V 2.5 Gigabit Ethernet (RJ45) |
| Conectividade sen fíos | WiFi 6 (802.11ax), Bluetooth 5.2 |
| Saída de vídeo | 2x HDMI (4K@60Hz), 1x Type-C (DP/DATA/PD) - Triple Display Support |
| Portos USB | 3x USB 3.2 (10 Gbps) |
| Audio | 3.5mm Jack de audio |
| Características especiais | Wake On LAN, PXE Boot, RTC Wake, Auto Power On, VESA Mount Support |
| Dimensións | Aprox. 7.28 x 6.02 x 4.09 polgadas |
| Peso | Aprox. 2.44 libras |
9. Garantía e soporte
GMKtec provides comprehensive support for your Mini PC.
9.1. Información da garantía
GMKtec offers a 1-year limited warranty for each Mini PC, 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. Atención ao cliente
For any technical assistance or inquiries, please contact our professional after-sales team:
- Soporte de Amazon: For purchases made on Amazon, log in to your Amazon account, navigate to 'Your Orders', and select 'Ask Product Question' for direct assistance.
- Soporte por correo electrónico: You can also reach our after-sales team directly via email at support@gmktec.com. Our team is available 24/7.

Image 9.1: Information on how to contact GMKtec for warranty and support services.





