1. Introduzzjoni
The GMKtec K12 Mini PC is a high-performance desktop computer designed for various applications, from household use to demanding business and gaming environments. Featuring an AMD Ryzen™ 7 H 255 processor, DDR5 memory, PCIe4.0 SSD support, and advanced connectivity options like WiFi 6E and Dual 2.5G LAN, it offers a powerful and compact computing solution.
2. Kontenut tal-Pakkett
Qabel ma tipproċedi bis-setup, jekk jogħġbok kun żgur li l-oġġetti kollha elenkati hawn taħt huma preżenti fil-pakkett tiegħek:
- Nucbox K12 Mini PC
- Adapter tal-Enerġija
- VESA Mount with Screws
- Manwal għall-Utent (dan id-dokument)
- Cable HDMI

3. Gwida ta' Setup
3.1 Setup Inizjali
- Qabbad l-Enerġija: Plug the power adapter into the DC IN port on the Mini PC and then into a power outlet.
- Qabbad id-Displej: Use the provided HDMI cable or a DisplayPort cable to connect your monitor to the HDMI 2.1 or DP 1.4 port on the Mini PC. The device supports up to 4 screens simultaneously with 8K resolution.
- Ikkonnettja l-Periferali: Connect your keyboard, mouse, and other USB devices to the available USB ports (USB 3.2 Gen2, USB 2.0, USB 4.0).
- Konnessjoni tan-Netwerk: For a wired connection, plug an Ethernet cable into one of the Dual 2.5G LAN ports. For wireless, ensure your WiFi 6E and Bluetooth 5.2 are enabled on the device and connect to your network/devices.
- Qawwa Mixgħul: Agħfas il-buttuna tal-qawwa li tinsab fuq quddiem tal-Mini PC.
3.2 Installazzjoni tal-Muntatura VESA
The GMKtec K12 Mini PC can be mounted to the back of a compatible monitor using the included VESA mount and screws. This saves desk space and provides a clean setup.

3.3 Storage and Memory Installation (for NO RAM NO SSD NO OS models)
If you purchased the "NO RAM NO SSD NO OS" option, you must install your own memory module and hard drive, and install/activate the operating system yourself. An activation code is not provided.
The Mini PC features a disassembled design for easy upgrades. It supports:
- SSD: Three M.2 2280 SSD slots (PCIe 4.0), with a maximum capacity of 8TB per slot (total max 24TB).
- RAM: Dual-channel SO-DIMM DDR5 5600MHz slots, with a maximum capacity of 64GB per slot (total max 128GB).

4. Istruzzjonijiet Operattivi
4.1 Power On/Off
- Qawwa Mixgħul: Agħfas il-buttuna tal-qawwa fuq il-pannell ta 'quddiem.
- Itfi: Use the operating system's shutdown function. Alternatively, press and hold the power button for 5 seconds to force a shutdown (not recommended for regular use).
4.2 Portijiet tal-Konnettività
The GMKtec K12 offers a variety of ports for extensive connectivity:

- Portijiet ta' quddiem:
- 2 x USB 3.2 Gen2
- 1 x USB 2.0
- 1 x USB 4.0 (PD/DP/Data/charger compatible, Data only)
- 1 x 3.5mm Audio Jack
- Buttuna tal-Qawwa
- Buttuna Irrisettja CMOS
- Portijiet ta' wara:
- 1 x DC IN
- 1 x HDMI 2.1 (8K@120Hz)
- 1 x DisplayPort 1.4 (8K@120Hz)
- 2 x 2.5G LAN (Ethernet)
- 1 x USB 2.0
- 1 x OCuLink (PCIe Gen4x4)
Note on OCuLink Port: This interface does not support hot-plugging. Please ensure the computer is powered off before connecting or unplugging any device from the OCuLink port.
4.3 Konnettività bla fili
The Mini PC is equipped with advanced wireless capabilities:
- WiFi 6E: Provides faster and more reliable wireless internet connection.
- Bluetooth 5.2: For connecting wireless peripherals such as keyboards, mice, and headphones.

4.4 Modi ta' Prestazzjoni
The K12 Mini PC offers three performance modes to balance power consumption, noise, and performance:
- Quiet Mode (35W TDP): Optimized for low noise and power consumption, suitable for light tasks.
- Balanced Mode (54W TDP): A good balance between performance and noise, ideal for everyday use.
- Performance Mode (70W TDP): Maximizes CPU and GPU performance for demanding applications and gaming.
You can switch between these modes using the Fan Color Mode Toggle Button, typically located on the side or front panel (refer to Figure 4.1).

| Modalità | Enerġija (TDP) | CPU (Celsius) | Storbju (dB) |
|---|---|---|---|
| Kwiet | 35-40W | 50 | 32-35 |
| Normal (Balanced) | 54-60W | 65 | 36-37 |
| Prestazzjoni | 65-70W | 75 | 39-40 |
5. Manutenzjoni
5.1 Tindif
- Naddaf il-barra tal-Mini PC regolarment b'ċarruta ratba u niexfa.
- Use compressed air to clear dust from ventilation openings to ensure optimal airflow and cooling.
- Kun żgur li l-apparat ikun mitfi u splaggjat qabel it-tindif.
5.2 Aġġornamenti tas-Software
- Żomm is-sistema operattiva u d-drivers tiegħek aġġornati biex tiżgura stabbiltà, sigurtà, u prestazzjoni ottimali.
- Check the GMKtec official website for the latest driver updates for your K12 Mini PC.
5.3 Aġġornamenti tal-Ħardwer
The K12 Mini PC is designed for easy hardware upgrades. Refer to Section 3.3 for detailed instructions on installing RAM and SSDs. Always power off and unplug the device before opening the chassis for any hardware modifications.

6 Issolvi l-problemi
- Ebda Qawwa: Kun żgur li l-adapter tal-enerġija huwa konness sew kemm mal-Mini PC kif ukoll ma' sokit tal-enerġija li jaħdem. Ipprova sokit differenti.
- Ebda Display: Check that the HDMI/DisplayPort cable is firmly connected to both the Mini PC and the monitor. Ensure the monitor is powered on and set to the correct input source.
- Kwistjonijiet ta' Prestazzjoni: Verify that the Mini PC is set to the appropriate performance mode (see Section 4.4). Ensure adequate ventilation and clean any dust from the cooling vents. Close unnecessary background applications.
- Problemi ta' Konnettività tan-Netwerk: For wired connections, check the Ethernet cable and router. For wireless, ensure WiFi is enabled and you are connected to the correct network. Restart your router/modem.
- OCuLink Device Not Detected: Remember that the OCuLink port does not support hot-plugging. Ensure the Mini PC is powered off before connecting or disconnecting any OCuLink device.
- Periferali Mhux Jaħdem: Try connecting the peripheral to a different USB port. Ensure drivers are installed if required by the peripheral.
7. Speċifikazzjonijiet
| Karatteristika | Dettall |
|---|---|
| Proċessur | AMD Ryzen™ 7 H 255 (8 Cores, 16 Threads, Max 4.9GHz, 16MB Cache, 4nm Tech, 35-54W TDP) |
| Grafika | AMD Radeon™ 780M Graphics (2600MHz) |
| Memorja | Dual-channel DDR5 5600MT/s SO-DIMM (Max 128GB) |
| Ħażna | 3 x M.2 2280 PCIe 4.0 SSD slots (Max 8TB per slot, total 24TB) |
| Konnettività bla fili | WiFi 6E, Bluetooth 5.2 |
| Konnettività bil-fili | 2 x 2.5G LAN (Ethernet) |
| Output tal-vidjo | 1 x HDMI 2.1 (8K@120Hz), 1 x DisplayPort 1.4 (8K@120Hz), 1 x USB 4.0 (DP Alt Mode) - Supports Quad Screens 8K display |
| Portijiet USB | 2 x USB 3.2 Gen2, 2 x USB 2.0, 1 x USB 4.0 (Full Featured) |
| Portijiet Oħrajn | 1 x OCuLink (PCIe Gen4x4), 1 x 3.5mm Audio Jack, DC IN, CMOS Reset |
| Sistema Operattiva | Compatible with Windows 11 Pro, Linux, Ubuntu |
| Sistema tat-tkessiħ | Dual cooling fans with copper base, surround convection airflow, smart system fans, RGB lighting |
| Dimensjonijiet | 154 x 151 x 73.6 mm |
| Ċertifikazzjoni | CE |
8. Għajnuniet għall-Utenti
- Installazzjoni tas-Sistema Operattiva: If you purchased a model without pre-installed RAM, SSD, or OS, remember to install your preferred operating system (e.g., Windows 11 Pro, Linux, Ubuntu) and necessary drivers after hardware installation.
- Ottimizzazzjoni tal-Prestazzjoni: Utilize the three performance modes (Quiet, Balanced, Performance) to match your workload and environment, ensuring optimal balance between power, noise, and speed.
- External GPU: For enhanced graphics performance, consider connecting an external GPU via the OCuLink port, remembering to power off the Mini PC before connecting or disconnecting.
- Konfigurazzjoni ta' Wiri Multiplu: Ħu bil-quddiemtage of the quad-screen support by connecting up to four monitors for increased productivity or immersive gaming.
9. Garanzija u Appoġġ
GMKtec is committed to providing high-quality products. Your GMKtec K12 Mini PC is a certified original product. For any technical assistance, warranty claims, or support inquiries, please contact GMKtec customer service through their official channels. Keep your purchase receipt as proof of purchase for warranty purposes.
For information regarding product authenticity and security, please refer to the 'Certified Original' and 'Security & Privacy' policies provided by the seller or manufacturer.





