1. Úvod
The GMKtec M3 Plus is a high-performance Mini PC designed for a wide range of applications, from business and office tasks to gaming and home entertainment. Powered by the Intel Core i9-12900HK processor and running Windows 11 Pro, it offers robust performance in a compact form factor. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device.
Video: Promotional overview of the GMKtec Nucbox M3 Plus Mini PC's features and applications.
2. Co je v krabici
Zkontrolujte prosím obsah balení a ujistěte se, že jsou v něm přítomny všechny položky:
- GMKtec Nucbox M3 Plus Mini PC
- Power Supply & Cable
- Uživatelská příručka (tento dokument)
- HDMI kabel
- VESA Mount with Screws

Image: The retail packaging showing the Mini PC, power adapter, HDMI cable, VESA mount, and user manual.
3. Konec produktuview
3.1. Kompaktní design
The GMKtec M3 Plus features a lightweight and compact body, making it ideal for various setups. Its small footprint allows it to fit seamlessly into any workspace or entertainment area.

Image: The GMKtec M3 Plus Mini PC on a desk, highlighting its compact dimensions (4.48in x 4.17in x 1.67in) and lightweight design (0.79lb).
3.2. Rozhraní a porty
The Mini PC is equipped with a rich set of interfaces to connect all your peripherals and displays.

Obrázek: Podrobný view of the Mini PC's ports, including front USB 3.2 ports and power button, and rear ports.
- Přední porty: 2x USB 3.2, Power Button
- Zadní porty: DC IN (20V/5A), 3.5mm CTIA Audio, 2x HDMI (4K@60Hz), Intel i226V 2.5G LAN, 1x USB 3.2, 1x USB 2.0 (DP1.4/DATA Type-C)
3.3. Internal Components & Expandability
The M3 Plus is designed for easy installation and upgrades.

Obrázek: Explodoval view of the Mini PC's internal layout, highlighting the DDR4 RAM slots, M.2 2280 PCIe 3.0 SSD slot, M.2 2242 SATA/PCIeX4 slot, and WiFi 6 + BT 5.2 module.
- Procesor: Intel Core i9-12900HK (12th Generation, 14 Cores, 20 Threads, up to 5.0 GHz Max Frequency, 24MB Smart Cache)
- BERAN: DDR4 3200MT/s, Dual Channel SO-DIMM x2 (Max 64GB)
- Skladování: M.2 2280 PCIe 3.0 SSD (Max 2TB, supports SATA & PCIeX4), M.2 2242 SATA/PCIeX4 (Max 4TB, not included)
- Grafika: Intel Iris Xe Graphics 1450MHz (Integrated Card)
- Chlazení: Twin Cooling Pipes Turbofan System, Smart Cooling Fan for low noise and high-performance heat dissipation.
- Konektivita: WiFi 6, Bluetooth 5.2, 2.5G High Speed Ethernet (RJ45 Gigabit Network)

Obrázek: Podrobný view of the Intel Core i9-12900HK processor, emphasizing its 12th generation architecture.

Image: A graphic detailing the Intel i9-12900HK processor's specifications: 5.0 GHz Max Frequency, 14 Cores, 20 Threads, 24 MB Smart Cache.
4. Pokyny k nastavení
4.1. Počáteční připojení
- Connect your monitor(s) to the HDMI ports or the Type-C port on the back of the Mini PC.
- Připojte klávesnici a myš k dostupným USB portům.
- Připojte napájecí adaptér k portu DC IN na Mini PC a poté jej zapojte do elektrické zásuvky.
- Press the power button located on the front of the Mini PC to turn it on.
4.2. Instalace držáku VESA
The included VESA mount allows for flexible placement of your Mini PC, such as mounting it behind a monitor, on a wall, or under a desk.

Image: Illustrations of the Mini PC mounted on a wall, under a table, and placed on a desktop.
- Attach the VESA mount bracket to the desired surface (e.g., back of a VESA-compatible monitor, wall, or underside of a desk) using the provided screws.
- Carefully slide the Mini PC onto the mounted bracket until it clicks securely into place.
- Ensure the Mini PC is firmly attached before releasing to.
5. Návod k obsluze
5.1. Operační systém
Your GMKtec M3 Plus comes pre-installed with Windows 11 Pro. Follow the on-screen instructions for initial setup, including language, region, and user account creation.
5.2. Triple Screen Display
The Mini PC supports triple screen 4K display, allowing for enhanced productivity and immersive entertainment.

Image: A setup demonstrating the Mini PC's capability to drive three independent displays simultaneously for work, entertainment, and gaming.
- Connect up to two monitors via the HDMI (4K@60Hz) ports.
- Connect a third monitor via the Type-C (DP1.4/DATA) port.
- Configure display settings in Windows 11 Pro to extend or duplicate your desktop across multiple screens.
5.3. Síťové připojení
Mini PC nabízí možnosti kabelového i bezdrátového připojení:
- Kabelové: Connect an Ethernet cable to the 2.5G LAN (RJ45) port for high-speed internet access.
- Bezdrátový: The device supports WiFi 6 for fast and stable wireless connections. Connect to your preferred Wi-Fi network through Windows settings.
- Bluetooth: Integrated Bluetooth 5.2 allows you to connect wireless peripherals such as keyboards, mice, and headphones.

Image: A graphic showing the performance benefits of 2.5G High Speed Ethernet, with read-write speeds up to 271MB/sec and transmission speeds up to 230MB/sec.
6. Specifikace
| Funkce | Specifikace |
|---|---|
| Název značky | GMKtec |
| Číslo modelu | GMKtec M3 Plus |
| Model procesoru | Intel Core i9-12900HK |
| Jádra/vlákna procesoru | 14 jader / 20 vláken |
| Max Processor Frequency | 5.0 GHz |
| Inteligentní mezipaměť | 24 MB |
| Typ | Mini stolní počítač / mini počítač |
| Operační systém | Windows 11 Pro |
| Kapacita paměti | DDR4 3200MT/s (Dual Channel SO-DIMM x2, Max 64GB) |
| Kapacita pevného disku | M.2 2280 PCIe 3.0 SSD (Max 2TB), M.2 2242 SATA/PCIeX4 (Max 4TB, not included) |
| Typ grafické karty | Integrated Card (Intel Iris Xe Graphics 1450MHz) |
| Konektivita | WiFi 6, Bluetooth 5.2, 2.5G LAN (Intel i226V) |
| Video výstup | 2x HDMI (4K@60Hz), 1x Type-C (DP1.4/DATA) |
| USB porty | 5x USB 3.2, 1x USB 2.0 (Type-C) |
| Audio port | 3.5 mm CTIA |
| Vstup napájení | DC IN (20V/5A) |
| Rozměry | 4.48 palce x 4.17 palce x 1.67 palce |
| Hmotnost | 0.79 lb |
| Use Case | Commercial, Home, Office, Gaming |
| Původ | pevninská Čína |
| Osvědčení | CE |
7. Údržba
To ensure the longevity and optimal performance of your GMKtec M3 Plus Mini PC, follow these maintenance guidelines:
- Čištění: Regularly clean the exterior of the Mini PC with a soft, dry cloth. Use compressed air to gently clear dust from the ventilation grilles to maintain proper airflow and cooling. Do not use liquid cleaners directly on the device.
- Aktualizace softwaru: Keep your Windows 11 Pro operating system and drivers updated to the latest versions. This ensures security, stability, and performance improvements.
- Větrání: Ensure the Mini PC is placed in a well-ventilated area. Avoid blocking the air vents on the sides of the device.
- Napájení: Use only the original power adapter provided with your Mini PC.
- Správa úložiště: Pravidelně kontrolujte využití úložiště a odstraňujte nepotřebné files or applications to free up space and maintain system speed.
8. Řešení problémů
If you encounter issues with your GMKtec M3 Plus, refer to the following common troubleshooting steps:
8.1. Bez napájení
- Ujistěte se, že je napájecí adaptér bezpečně připojen k Mini PC i k funkční zásuvce.
- Zkontrolujte, zda je zásuvka funkční, zapojením jiného zařízení.
- Verify that the power button on the Mini PC is pressed firmly.
8.2. Žádný displej
- Confirm that the HDMI or Type-C cables are securely connected to both the Mini PC and the monitor(s).
- Ensure your monitor is powered on and set to the correct input source (e.g., HDMI 1, HDMI 2, Type-C).
- Try connecting the Mini PC to a different monitor or using a different cable to rule out faulty equipment.
8.3. Žádné síťové připojení
- Kabelové: Check if the Ethernet cable is properly connected to the LAN port and your router/modem. Verify that your router/modem is working correctly.
- Bezdrátový: Ensure Wi-Fi is enabled in Windows settings. Check if you are connected to the correct Wi-Fi network and that the password is entered correctly. Restart your router/modem.
8.4. Zpomalení systému
- Zavřete nepotřebné aplikace běžící na pozadí.
- Zkontrolujte a nainstalujte všechny čekající aktualizace systému Windows.
- Ujistěte se, že je na vašem SSD disku dostatek volného místa.
- Monitor CPU and RAM usage in Task Manager to identify resource-intensive processes.
9. Uživatelské tipy
Based on general user experiences with Mini PCs, here are some tips to enhance your experience:
- Consider using the VESA mount to free up desk space and create a cleaner setup.
- For optimal gaming or demanding applications, ensure the Mini PC has adequate ventilation.
- Utilize the triple display output for multitasking or an immersive gaming experience.
- Pravidelně zálohujte důležitá data na externí disk nebo cloudové úložiště.
Note: Specific user tips from reviews or Q&A were not available in the provided data.
10. Záruka a podpora
For warranty information, technical support, or service inquiries, please refer to the official GMKtec website or contact your seller directly. Keep your proof of purchase for warranty claims.





