Introducció
The GMKtec M3 Plus Mini PC is a high-performance, compact desktop computer designed for a wide range of applications, from demanding professional tasks to immersive entertainment and gaming. Featuring an Intel Core i9 12900HK processor, ample memory and storage, and advanced connectivity options, this manual provides essential information for setting up, operating, and maintaining your device.

Figure 1: GMKtec M3 Plus Mini PC, showcasinel seu disseny compacte i els seus diversos ports.
Què hi ha a la caixa
Upon opening your GMKtec M3 Plus package, please verify that all the following items are included:
- GMKtec Nucbox M3 Plus Intel Core i9 12900HK Mini PC Computer
- Power Supply & Cable
- Cable HDMI
- VESA Mount and Screws
- Manual d'usuari

Figure 2: All components included in the GMKtec M3 Plus retail packaging.
Configuració
Físic acabatview i connexions
Familiarize yourself with the various ports on your M3 Plus Mini PC to ensure proper connection of peripherals and displays.

Figura 3: Detallada view of the M3 Plus's rich interface, highlighting all available ports for connectivity.
- Ports frontals: 2x USB 3.2, Power Button.
- Ports posteriors: DC IN (20V/5A), 2x HDMI (4K@60Hz), Intel i226V 2.5G LAN, 1x USB 3.2, 1x USB 2.0, 1x Type-C (DP1.4/DATA), 3.5mm CTIA Audio.
Engegada inicial
- Connect the power supply to the DC IN port on the rear of the Mini PC and plug it into a power outlet.
- Connect your monitor(s) to the HDMI or Type-C (DP1.4/DATA) ports.
- Connecteu el teclat i el ratolí als ports USB disponibles.
- Press the power button on the front of the Mini PC. The system will boot up, typically into Windows 11 Pro.
Opcions de muntatge
The GMKtec M3 Plus offers versatile mounting options to optimize your workspace.

Figure 4: The M3 Plus can be mounted on a wall, under a table, or placed directly on a desktop for flexible setup.
- Ubicació d'escriptori: Its compact size allows it to sit discreetly on your desk.
- Muntatge VESA: Use the included VESA mount and screws to attach the Mini PC to the back of a compatible monitor or to a wall, saving desk space.
En funcionament
Característiques clau i rendiment
The M3 Plus is engineered for high performance and efficiency:
- Intel Core i9 12900HK CPU: Powered by a 14-core/20-thread processor with a max turbo frequency of 5.0 GHz and 24 MB cache, offering a powerful balance between performance and efficiency.
- Intel Iris Xe Graphics: Integrated GPU with a maximum dynamic frequency of 1.45GHz, providing excellent visual performance for 4K video streaming, light gaming, and photo editing.
- 32GB DDR4 RAM & 1TB Storage: Equipped with dual 32GB DDR4 RAM (expandable up to 64GB) and a 1TB M.2 PCIe 2280 SSD (expandable to 4TB), ensuring high-speed performance and ampl'emmagatzematge.

Figure 5: Performance comparison of the Intel Core i9-12900HK processor against other CPUs in Cinebench R23 Multi-Core benchmark.
Configuració de la pantalla
The M3 Plus supports up to triple 4K displays, enhancing productivity and visual clarity.

Figura 6: Example of a triple 4K display setup, ideal for multitasking, content creation, and immersive gaming.
- Connect up to two monitors via the HDMI ports.
- Connect a third monitor via the Type-C (DP1.4/DATA) port.
- Ensure your cables and monitors support 4K resolution at 60Hz for optimal performance.
Xarxa i connectivitat
Experience fast and stable network connections with the M3 Plus:
- LAN de 2.5 GbE: The built-in Intel Ethernet Controller I226-V provides a 2.5 Gbit/s connection, significantly faster than traditional gigabit Ethernet, perfect for large data transfers and online gaming.
- WiFi 6 + Bluetooth 5.2: Supports the latest wireless technologies for faster internet speeds, lower latency, and improved network efficiency, ensuring stable and quick connections for online activities and peripheral devices.

Figure 7: Comparison of 2.5Gbps Ethernet speed versus 1000Mbps, showing significantly faster read-write and transmission speeds.
Vídeo 1: Presentació oficial del producte en vídeoasing the GMKtec M3 Plus Intel Core i9-12900HK Mini PC's features and capabilities.
Manteniment
Actualització
The M3 Plus is designed for easy upgrades to extend its lifespan and performance.

Figura 8: Intern view of the M3 Plus, illustrating the accessible slots for M.2 PCIe SSD, M.2 SATA/PCIe SSD, and DDR4 SO-DIMM RAM for easy upgrades.
- RAM: Supports dual-channel DDR4 RAM, expandable up to 64GB.
- Emmagatzematge: Features a primary M.2 PCIe 2280 SSD slot (Max. 4TB) and a secondary M.2 SATA/PCIEX4 2242 drive slot (Max. 2TB) for additional storage.
Sistema de refrigeració
The M3 Plus incorporates an efficient cooling system to maintain optimal performance and quiet operation.

Figure 9: Illustration of the M3 Plus's cooling system, featuring a smart cooling fan, copper heatsink, and multiple exhaust vents for efficient heat dissipation and low noise.
- The smart cooling fan and copper cooling system ensure efficient heat dissipation, keeping the device cool even under heavy loads.
- Multiple exhaust vents facilitate optimal airflow, contributing to a silent fan system.
Resolució de problemes
If you encounter issues with your GMKtec M3 Plus, consider the following common troubleshooting steps:
- Sense energia: Ensure the power adapter is securely connected to both the Mini PC and a working power outlet. Try a different outlet.
- Sense pantalla: Verify that the HDMI/Type-C cables are properly connected to both the Mini PC and the monitor. Check if the monitor is set to the correct input source.
- Rendiment lent: Check for background applications consuming high resources. Ensure sufficient free storage space. Consider upgrading RAM or SSD if performance issues persist.
- Problemes de xarxa: For wired connections, ensure the Ethernet cable is securely plugged in. For Wi-Fi, check your router and network settings.
- Perifèric no detectat: Try connecting the peripheral to a different USB port. Ensure drivers are up to date if necessary.
Per a problemes persistents, consulteu la secció de garantia i assistència per obtenir informació de contacte.
Especificacions
| Característica | Especificació |
|---|---|
| Marca | GMKtec |
| Número de model | M3 Plus |
| Processador | Intel Core i9 12900HK (14 Cores/20 Threads, 2.5 GHz base, up to 5.0 GHz) |
| Coprocessador gràfic | Intel Iris Xe Graphics 1450MHz |
| RAM | 32 GB DDR4 (3200 MHz), expandable up to 64GB |
| Disc dur | 1 TB PCIe 3.0 M.2 2280 SSD & M.2 2242 SATA (expandable) |
| Sistema operatiu | Windows 11 Pro |
| Sortida de visualització | Triple 4K (2x HDMI, 1x Type-C DP1.4/DATA) |
| LAN | 2.5GbE (Intel Ethernet Controller I226-V) |
| Connectivitat sense fil | WiFi 6, Bluetooth 5.2 |
| Ports USB | 3x USB 3.0, 1x USB 2.0, 1x Type-C |
| Dimensions (LxWxH) | 6.45 x 6.14 x 4.13 polzades |
| Pes de l'article | 3.23 lliures |
Garantia i Suport
GMKtec offers a 1-year limited warranty for each Mini PC, starting from the date of purchase. This warranty covers all defects due to design and workmanship. For any inquiries, technical assistance, or warranty claims, please contact the professional after-sales team. You can typically find contact information on the GMKtec official weblloc web o a través de la vostra plataforma de compra.
Per obtenir més ajuda, visiteu el GMKtec Store on Amazon.





