1. Introducció
This manual provides essential information for the safe and efficient use of your GMKtec Nucbox K8 Plus Mini PC. Please read these instructions carefully before operating the device and retain them for future reference. The Nucbox K8 Plus is a compact yet powerful mini PC designed for various applications, from gaming and content creation to office work and home theater.

The GMKtec Nucbox K8 Plus Mini PC is designed for portability and efficiency.
2. Contingut del paquet
Verifiqueu que tots els elements que s'enumeren a continuació s'inclouen al vostre paquet:
- 1x Nucbox K8 Plus Mini PC Unit
- 1 x manual d'usuari
- 1x cable HDMI
- 1x adaptador de corrent
- 1x cable d'alimentació
- 1x VESA Mount
- 1x joc de cargols

Ensure all listed components are present in the retail packaging.
3. Producte acabatview
The GMKtec Nucbox K8 Plus is equipped with advanced hardware for high performance:
- Processador: AMD Ryzen 7 8845HS (8 Cores, 16 Threads, up to 5.1 GHz, 16MB L3 Cache) with integrated AMD Ryzen AI Engine.
- Gràfics: Integrated AMD Radeon 780M GPU.
- Memòria: Supports DDR5 RAM (up to 64GB, 5600MHz).
- Emmagatzematge: Dual PCIe 4.0 M.2 2280 SSD slots (up to 8TB total).
- Sistema operatiu: Preinstal·lat amb Windows 11 Pro.
- Connectivitat: Dual 2.5G LAN, WiFi 6E (2.4/5.0/6.0 GHz), Bluetooth 5.2.
- Sortides de visualització: HDMI 2.1, DisplayPort 2.1, 2x USB4 (DisplayPort Alt Mode) supporting up to four 8K displays.
- Special Ports: Oculink port for external graphics card connectivity.
- Refrigeració: Upgraded dual cooling fan system (top and bottom) for efficient heat dissipation.

Key features of the Nucbox K8 Plus Mini PC.
3.1. Ports i interfícies
Familiarize yourself with the available ports on your Mini PC:

Davant i posterior view of the Nucbox K8 Plus ports.
- Ports frontals: Power button, USB 3.2 Gen2 Type-A, USB 3.2 Gen2 Type-C, Audio Jack.
- Ports posteriors: DC Power Input, HDMI 2.1, DisplayPort 2.1, 2x USB4 Type-C, 2x 2.5G LAN, 2x USB 3.2 Gen2 Type-A, Oculink.
3.2. Oculink Port
The Oculink port provides high-speed connectivity for external graphics cards, enhancing the PC's graphical performance. Important: This interface does not support hot-swapping. Always plug and unplug the Oculink cable when the PC is powered off to prevent damage.

The Oculink port allows connection to an external graphics card.
4. Instruccions de configuració
- Connecteu els perifèrics: Connect your monitor(s) to the HDMI, DisplayPort, or USB4 ports. Connect your keyboard and mouse to the available USB ports.
- Connectar la xarxa: For a wired connection, connect an Ethernet cable to one of the 2.5G LAN ports. For wireless, ensure your WiFi network is available.
- Connectar l'alimentació: Plug the power adapter into the DC input port on the Mini PC, then plug the power cord into an electrical outlet.
- Encès: Press the power button on the front of the Mini PC. The system will boot up.
- Configuració inicial de Windows: Seguiu les instruccions que apareixen a la pantalla per completar la configuració del Windows 11 Pro, incloent-hi l'idioma, la regió, la xarxa i la creació del compte d'usuari.
5. Instruccions de funcionament
5.1. Modes de potència
The Nucbox K8 Plus offers various power modes to optimize performance and power consumption:
- Silent Mode (35W): For quiet operation and low power consumption.
- Balance Mode (54W): A balanced setting for everyday tasks.
- Performance Mode (65W): For demanding applications requiring higher CPU performance.
- Max Performance (70W): Unleashes full power for intensive tasks like gaming or video editing.
You can typically switch between these modes via the operating system's power settings or dedicated software if provided by GMKtec.

Select the appropriate power mode for your tasks.
5.2. Configuració de diverses pantalles
The Nucbox K8 Plus supports up to four displays simultaneously, with resolutions up to 8K@60Hz. Connect your monitors to the available HDMI 2.1, DisplayPort 2.1, and USB4 ports. Configure display settings within Windows (Right-click on desktop > Display settings).

Connect up to four displays for an expansive workspace.
6. Manteniment
6.1. Neteja
- 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 optimal airflow and cooling performance.
- Do not use liquid cleaners directly on the device.
6.2. Hardware Upgrades (RAM/SSD)
The Nucbox K8 Plus features an easy-to-disassemble design for convenient RAM and SSD upgrades. Always power off and disconnect the Mini PC from the power source before performing any internal maintenance.

Upgrade RAM and SSD easily with the disassembled design.
- RAM: The device supports dual-channel DDR5 SO-DIMM memory, with a maximum capacity of 96GB.
- SSD: It features two M.2 2280 NVMe slots, supporting up to 4TB per slot for a total of 8TB.
6.3. Actualitzacions de programari
Regularly check for and install Windows updates, driver updates, and BIOS updates to ensure optimal performance, security, and compatibility. These can typically be found through Windows Update or the GMKtec official weblloc.
7. Solució De Problemes
If you encounter issues with your Mini PC, refer to the following common troubleshooting steps:
- Sense pantalla:
- Ensure the monitor is powered on and correctly connected to the Mini PC.
- Prova un altre cable de pantalla o monitor.
- Verifiqueu que la font d'entrada correcta estigui seleccionada al monitor.
- Sense energia:
- Check if the power adapter and cord are securely connected to both the Mini PC and the power outlet.
- Proveu la presa de corrent amb un altre dispositiu.
- Problemes de connectivitat Wi-Fi:
- Reinicieu el router i el mini PC.
- Ensure WiFi is enabled in Windows settings.
- Actualitzeu els controladors de xarxa sense fil.
- If issues persist, try resetting the network adapter in Windows Device Manager.
- Random Shutdowns/Restarts:
- Assegureu-vos que el Mini PC tingui una ventilació adequada i que no s'està sobreescalfant.
- Check for recent software or driver installations that might be causing conflicts.
- Run a system diagnostic or check Windows Event Viewer per a missatges d'error.
- Rendiment lent:
- Comproveu si hi ha aplicacions en segon pla que consumeixen recursos.
- Ensure sufficient free storage space on your SSD.
- Verify that the power mode is set to 'Performance' or 'Max Performance' if needed.
8. Especificacions
| Característica | Detall |
|---|---|
| Marca | GMKtec |
| Número de model | K8Plus 32+512GB |
| Sistema operatiu | Windows 11 Pro |
| Model de CPU | AMD Ryzen 7 8845HS |
| Velocitat de la CPU | Fins a 5.1 GHz |
| Nuclis de CPU | 8 |
| Mida de la memòria cau L3 | 16 MB |
| Processador gràfic | AMD Radeon 780M 2700MHz |
| VRAM Type | GDDR5 |
| RAM instal·lada | 32 GB DDR5 |
| RAM màxima compatible | 64 GB |
| Velocitat de memòria | 5600 MHz |
| Tipus d'emmagatzematge | SSD (PCIe x4 interface) |
| Capacitat d'emmagatzematge | 512 GB (Configurable up to 8TB) |
| Ports USB | 4 (including USB4) |
| Ports HDMI | 1 (HDMI 2.1) |
| Sortides de visualització | HDMI, DisplayPort, USB-C (DisplayPort Alt Mode) |
| Resolució màxima de pantalla | 7680x4320 pixels (8K) |
| Ethernet | Dual Intel i226V 2.5G NIC |
| Connectivitat sense fil | WiFi 6E (2.4 GHz, 5.0 GHz, 6.0 GHz), Bluetooth 5.2 |
| Consum d'energia | 35 Watts (TDP) |
| Mètode de refrigeració | Water Cooling (Enhanced large cooling fans) |
| Ranures d'expansió | 2 |
| Característiques addicionals | Oculink Port, Built-in Microphone, VESA Mount support, Auto Power On, WOL, Fan Speed Control |
9. Garantia i Suport
Your GMKtec Nucbox K8 Plus Mini PC comes with a 1 any de garantia from the date of purchase. This warranty covers manufacturing defects and hardware malfunctions under normal use.
For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact GMKtec customer service. You can typically find contact information on the official GMKtec website or through your retailer's support channels. When contacting support, please have your product model number (K8 Plus) and proof of purchase ready.







