1. Introduzione
Thank you for choosing the GMKtec NucBox G3 Pro Mini PC. This compact and powerful device is designed for a wide range of applications, from daily office tasks and web browsing to video editing and light server operations. Featuring an Intel Core i3-10110U processor, expandable memory and storage, and versatile connectivity, the NucBox G3 Pro offers a stable and efficient computing experience. This manual provides essential information for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device.
2. Informazioni sulla sicurezza
- Utilizzare sempre l'adattatore di alimentazione fornito per evitare danni al dispositivo.
- Non esporre il dispositivo ad acqua, umidità o temperature estreme.
- Evitare di posizionare il dispositivo alla luce diretta del sole o vicino a fonti di calore.
- Assicurare una ventilazione adeguata per evitare il surriscaldamento. Non ostruire le aperture di ventilazione.
- Non tentare di aprire o riparare il dispositivo autonomamente. Rivolgersi a personale qualificato.
- Tenere il dispositivo lontano da forti campi magnetici.
3. Contenuto della confezione
Si prega di selezionare la casella per i seguenti elementi:
- GMKtec Mini PC Unit (NucBox G3 Pro) x 1
- Pacchetto viti x 1
- Adattatore di alimentazione x 1
- Cavo HDMI x 1
- Manuale utente x 1
- VESA Bracket x 1

Image: Contents of the GMKtec NucBox G3 Pro retail package.
4. Prodotto finitoview
The GMKtec NucBox G3 Pro is a compact mini PC featuring an Intel Core i3-10110U processor, offering enhanced processing performance compared to previous generation models. It supports a wide range of uses from daily tasks to business applications. The device is designed for low power consumption (TDP 8W-15W) and low heat generation, ensuring stable operation.
Caratteristiche principali:
- Processore: Intel Core i3-10110U (2 Cores, 4 Threads, up to 4.1GHz, 6MB Cache)
- Memoria: 16GB DDR4 (8GB x 2) standard, expandable up to 64GB via 2 SO-DIMM slots.
- Magazzinaggio: 256GB NVMe SSD standard, expandable up to 8TB via 2 M.2 slots (M.2 2280 PCIe Gen3x4 x1, M.2 2242 SATA3.0 x1).
- Uscita di visualizzazione: Supports dual 4K@60Hz display output via HDMI ports.
- Connettività: Wi-Fi 6 (up to 1201 Mbps), Bluetooth 5.2, 2.5G LAN.
- Caratteristiche speciali: Wake On LAN, PXE Boot, RTC Wake, Auto Power On.

Immagine: Oltreview of the GMKtec NucBox G3 Pro, highlighting ports, memory, storage, and wireless capabilities.
Porte e interfacce:
The NucBox G3 Pro offers a comprehensive set of ports for various peripherals and displays:
- USB 3.2 (Gen1) x 2
- 2.0 porte USB 2
- HDMI x 2 (4K@60Hz output)
- 2.5G LAN (RJ45) x 1
- 1 jack audio da 3.5 mm
- Pulsante di accensione x 1
- DC IN x 1

Immagine: dettagliata view of the NucBox G3 Pro's front and rear ports, including HDMI, USB, LAN, and audio jacks.
5. Impostazione
5.1 Connessione iniziale
- Connect your monitor(s) to the HDMI ports on the back of the Mini PC using the provided HDMI cable.
- Collega la tastiera e il mouse alle porte USB.
- For wired internet access, connect an Ethernet cable to the 2.5G LAN port.
- Connect the power adapter to the DC IN port on the Mini PC, then plug it into a power outlet.
- Premere il pulsante di accensione sulla parte anteriore del Mini PC per accenderlo.
5.2 Installazione con montaggio VESA
The NucBox G3 Pro supports VESA mounting, allowing you to attach it to the back of a compatible monitor or TV for a clutter-free workspace.
- Attach the VESA bracket to the back of your monitor using the appropriate screws.
- Secure the Mini PC to the VESA bracket.

Image: Demonstrates VESA mount installation and desktop placement options for the Mini PC.
6. Istruzioni per l'uso
6.1 Accensione/spegnimento
- Accensione: Premere il pulsante di accensione sul pannello frontale.
- Spegni: From the operating system, select 'Shut down'. Alternatively, press and hold the power button for 5 seconds to force a shutdown (not recommended for regular use).
6.2 Configurazione del display
The NucBox G3 Pro supports dual 4K displays. Connect your monitors to the HDMI ports. The operating system will automatically detect and configure the displays. You can adjust display settings (resolution, orientation, extended/duplicated desktop) through the Windows Display Settings.

Image: Illustrates the dual-screen display capability of the Mini PC.
6.3 Operating Modes (TDP Adjustment)
The Mini PC features three adjustable TDP (Thermal Design Power) modes: 8W, 10W, and 15W. These modes allow you to balance performance and power consumption according to your needs (Quiet Mode, Power Saving Mode, Full Power Mode).
To adjust the operating mode:
- Power on the Mini PC and repeatedly press the 'ESC' key during startup to enter the BIOS setup screen.
- Navigate to the 'Advanced' tab using the arrow keys.
- Select 'Hardware Monitor' and press 'Enter'.
- Enter the 'System Smart Fan' menu.
- Select 'Enabled' for System Smart Fan.
- Under 'PWM Control System Fan Speed', you can choose from various fan speed percentages (20% to 100%) or 'OFF' to stop the fan. Adjust to your preferred speed.
- Once settings are complete, press 'F10' to save and exit.

Image: Shows the three operating modes (Silent, Balanced, Performance) and the BIOS screen for fan speed adjustment.
Video: Demonstrates how to adjust fan speed settings in the BIOS. Note: This video is for a similar GMKtec model (G10), but the BIOS fan control steps are generally applicable.
7. Manutenzione
7.1 Pulizia
Regularly clean the exterior of the Mini PC with a soft, dry cloth. Use compressed air to clear dust from the ventilation openings to maintain optimal airflow and cooling performance.
7.2 Espansione di memoria e archiviazione
The NucBox G3 Pro allows for easy expansion of both RAM and SSD storage. It supports up to 64GB DDR4 RAM and up to 8TB SSD storage.
- Spegnere il dispositivo e scollegare tutti i cavi.
- Rimuovere con cautela il coperchio inferiore del Mini PC.
- Locate the SO-DIMM slots for RAM or the M.2 slots for SSDs.
- Install or replace the components as needed, ensuring they are securely seated.
- Reattach the bottom cover and reconnect all cables.

Image: Illustrates the process of expanding storage with M.2 SSDs in the Mini PC.

Immagine: Esploso view showing internal components like DDR4 memory, M.2 SSDs, cooling fan, and heat vents.
8. Risoluzione Dei Problemi
- Nessun potere: Assicurarsi che l'adattatore di alimentazione sia collegato saldamente sia al Mini PC sia a una presa di corrente funzionante. Provare una presa diversa.
- Nessuna visualizzazione: Check that the HDMI cable is securely connected to both the Mini PC and the monitor. Ensure the monitor is powered on and set to the correct input source.
- Nessuna connessione internet: For wired connections, check the Ethernet cable and router. For Wi-Fi, ensure the Wi-Fi adapter is enabled in Windows settings and connected to the correct network.
- Prestazioni lente: Close unnecessary applications. Check for background processes. Ensure sufficient free storage space. Consider upgrading RAM or SSD if performance issues persist.
- Surriscaldamento: Ensure the Mini PC has adequate ventilation. Clean dust from the vents. Adjust fan speed settings in BIOS if necessary (refer to Operating Instructions).
9. Specifiche
| Caratteristica | Dettaglio |
|---|---|
| Marca | GMKtec |
| Modello | NucBox G3 Pro |
| Sistema operativo | Windows 11 Pro |
| Modello CPU | Processore Intel Core i3-10110U |
| Velocità della CPU | Fino a 4.1 GHz |
| Grafica | Grafica Intel UHD integrata |
| RAM installata | 16 GB DDR4 (espandibile a 64 GB) |
| Velocità di memoria | 2400 MHz |
| Capacità di archiviazione | 256 GB NVMe SSD (expandable to 8 TB) |
| Interfaccia del disco rigido | PCIE x 2 (M.2 2280 PCIe Gen3x4 x1, M.2 2242 SATA3.0 x1) |
| Interfaccia di uscita video | HDMI x 2 (Supports 4K@60Hz) |
| Porte USB | USB 3.2 (Gen1) x 2, USB 2.0 x 2 |
| Connettività di rete | 2.5G LAN, Wi-Fi 6, Bluetooth 5.2 |
| Dimensioni del prodotto | Dimensioni: 114 x 106 x 42.5 mm |
| Peso del prodotto | 280 grammi |
| Caratteristiche speciali | Wake On LAN, avvio PXE, riattivazione RTC, accensione automatica |
10. Garanzia e supporto
Your GMKtec NucBox G3 Pro Mini PC comes with a 1-year manufacturer's warranty. For technical support, warranty claims, or any inquiries regarding your product, please contact GMKtec customer service through the official channels or the seller from whom you purchased the device.
Seller: GMKtec-Official (1-year manufacturer's warranty)
Per ulteriore assistenza, visitare il sito Negozio GMKtec su Amazon.