1. Introduction and Overview
The GMKtec K11 Gaming Mini PC is a compact yet powerful computing solution designed for demanding tasks such as gaming, content creation, and multitasking. Featuring an AMD Ryzen 9 8945HS processor, ample memory, and high-speed storage, it delivers robust performance in a small form factor. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device.
Figure 1: GMKtec K11 Mini PC - Front and Side View
2. Setup
2.1 What's in the Box
- 1x GMKtec Nucbox K11
- 1x DC Power Plug
- 1x HDMI Cable
- 1 x VESA Mount with Screws
- 1x User Manual
2.2 Initial Setup
To begin using your GMKtec K11 Mini PC, follow these steps:
- Connect the DC Power Plug to the 'DC IN' port on the rear of the Mini PC and plug the adapter into a power outlet.
- Connect your display monitor using the provided HDMI cable to the HDMI 2.1 port, or use a compatible USB-C to DisplayPort cable for the Type-C DisplayPort output.
- Connect your keyboard and mouse to the available USB ports (USB 3.2 or USB 2.0).
- Press the power button on the front of the Mini PC to turn it on.
Figure 2: GMKtec K11 Mini PC - Port Layout
3. Operating
3.1 Powering On/Off
- Power On: Press the power button on the front panel.
- Power Off: Click the Start menu in Windows and select 'Power' > 'Shut down'. Alternatively, press and hold the power button for 5 seconds.
3.2 Display Configuration
The K11 supports up to four displays simultaneously, offering versatile setup options for productivity or immersive gaming.
- Connect displays to the HDMI 2.1 port (up to 8K@60Hz), DisplayPort 2.1 (up to 4K@144Hz), and the two USB-C 4.0 ports (supporting 4K@144Hz).
- To configure multiple displays in Windows, right-click on the desktop, select 'Display settings', and arrange your displays as needed.
Figure 3: Quad Screen Display Setup
3.3 Network Connectivity
The Mini PC offers robust network options:
- Wired: Utilize the dual Intel NIC 2.5G LAN ports for high-speed wired connections. Ideal for stable gaming, file transfers, or server applications.
- Wireless: Connect to Wi-Fi 6 networks for fast and efficient wireless internet access.
- Bluetooth: Bluetooth 5.2 allows for seamless connection to wireless peripherals like keyboards, mice, and audio devices.
Figure 4: Dual 2.5G LAN Connectivity
4. Performance Features
4.1 AMD Ryzen 9 8945HS Processor
The GMKtec K11 is powered by the AMD Ryzen 9 8945HS CPU, featuring 8 cores and 16 threads with a boost clock speed of up to 5.4 GHz. This processor is designed for superior multitasking and demanding applications, offering energy-efficient power management at 35W TDP, upgradable to 70W for maximum performance.
4.2 Memory and Storage
The Mini PC comes equipped with 32GB of DDR5 5600MHz RAM in a dual-channel configuration (2x16GB), expandable up to 128GB. For storage, it includes a 2TB M.2 2280 PCIe 4.0 SSD, with support for dual slot expansion up to 2x PCIe 4.0 SSDs, totaling up to 8TB (upgrades not included).
Figure 5: Internal Components - RAM and SSD
4.3 Oculink Port for eGPU
The K11 features an Oculink port, which provides higher bandwidth capabilities (PCIe x4 speeds) compared to Thunderbolt, enabling better frame rates and lower lag for external GPU (eGPU) setups. This is particularly beneficial for gamers and content creators seeking enhanced graphics performance.
Figure 6: Oculink Port in Use with eGPU
Video 1: Overview of GMKtec Gaming Mini PC AMD Ryzen 9 8945HS. This video provides a brief demonstration of the Mini PC's features and capabilities.
5. Maintenance
5.1 Upgrading Components
The K11 is designed for easy access to internal components for upgrades. Simply rotate the top cover counter-clockwise to remove it, providing access to the RAM and SSD slots for expansion.
5.2 Cooling System
The Mini PC features a dual-fan cooling system with a custom-built top fan and an upgraded bottom fan with a copper base. This 'Hyper Ice Chamber 2.0' design ensures efficient heat dissipation, keeping the system cool and quiet even under heavy loads.
Figure 7: Hyper Ice Chamber 2.0 Cooling System
6. Troubleshooting
6.1 Common Issues
- No Display: Ensure all display cables (HDMI, DisplayPort, USB-C) are securely connected to both the Mini PC and the monitor. Try a different port or cable.
- Fan Noise: Under heavy load, the fans may become audible. This is normal. If noise is excessive during light use, ensure the device is on a flat, unobstructed surface for proper airflow. BIOS settings may offer fan control options.
- Slow Performance: Check for background applications consuming resources. Ensure drivers are up to date. Consider upgrading RAM or SSD if performance issues persist.
- Audio Issues: If audio is not working over HDMI, try disabling and re-enabling the sound controller in Device Manager. Ensure the latest audio drivers are installed.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | GMKtec |
| Model | K11 |
| Processor | AMD Ryzen 9 8945HS (8 Cores, 16 Threads, up to 5.4 GHz) |
| Graphics Coprocessor | AMD Radeon™ 780M |
| RAM | 32GB DDR5 5600MHz (Dual Channel, expandable to 128GB) |
| Hard Drive | 2TB M.2 2280 PCIe 4.0 SSD (Dual slot expansion up to 8TB) |
| Operating System | Windows 11 Pro |
| Video Output | HDMI 2.1 (8K@60Hz), DisplayPort 2.1 (4K@144Hz), 2x USB-C 4.0 (4K@144Hz) |
| Network | Dual Intel NIC 2.5G LAN, WiFi 6, Bluetooth 5.2 |
| Ports | Oculink, 2x USB-C 4.0, 2x USB 3.2 (Gen2), 2x USB 2.0, 3.5mm Audio, HDMI 2.1, DisplayPort 2.1, 2x 2.5G LAN |
| Dimensions | 5.2 x 5 x 2.3 inches |
| Weight | 3.91 pounds |
8. Warranty and Support
GMKtec offers a 1-year limited warranty for each Mini PC, starting from the date of purchase. This warranty covers defects due to design and workmanship.
For professional after-sales service and technical support, please contact GMKtec directly:
- Email: support@gmktec.com
- Online: Log in to your Amazon account, go to 'Your Orders', and select 'Ask Product Question' for assistance.
