1. Introduction
The GMKtec Gaming Mini PC K8 Plus is a compact yet powerful desktop computer designed for a wide range of applications, from intensive gaming and video editing to everyday productivity and home theater use. Powered by the AMD Ryzen 7 8845HS processor and equipped with high-speed DDR5 RAM and PCIe 4.0 SSD storage, this mini PC delivers exceptional performance. Its advanced cooling system ensures stable operation, while versatile connectivity options allow for multi-display setups and external device integration.
2. Setup Guide
2.1. What's in the Box
- GMKtec Nucbox K8 Plus AMD Ryzen 7 8845HS Mini PC Computer
- Power Supply & Cable
- HDMI Cable
- VESA Mount and Screws
- User Manual
2.2. Initial Setup
Follow these steps to set up your GMKtec K8 Plus Mini PC:
- Connect Power: Plug the power supply cable into the DC IN port on the back of the mini PC and connect it to a power outlet.
- Connect Display: Use the provided HDMI cable to connect your monitor or TV to the HDMI 2.1 port on the back of the mini PC. Alternatively, use a DisplayPort 2.1 cable or a USB4 cable for display output.
- Connect Peripherals: Connect your keyboard and mouse to the available USB ports (USB 3.2 Gen2 on the front, USB 2.0 on the back).
- Network Connection: For wired internet, connect an Ethernet cable to one of the dual Intel i226V 2.5Gbps LAN ports. For wireless, the device supports WiFi 6.
- Power On: Press the power button on the front of the mini PC to turn it on.
Figure 1: GMKtec K8 Plus Mini PC and included components.
Figure 2: Overview of the rich interface ports on the GMKtec K8 Plus.
3. Operating Instructions
3.1. Connectivity
The K8 Plus offers robust connectivity options:
- Dual 2.5G Ethernet: Two Intel i226V 2.5Gbps LAN ports provide faster and more stable wired network connections, ideal for high-bandwidth applications.
- WiFi 6: Supports multiple frequency bands for strong, low-latency wireless connections.
- Bluetooth 5.2: Delivers faster data transfer, lower power consumption, and supports the latest peripherals.
Video 1: Official product video showcasing the GMKtec K8 Plus Mini PC's features and capabilities.
3.2. Performance Modes
Optimize your mini PC's performance based on your needs with three customizable modes:
- Silent Mode (35W TDP): For quiet operation during light tasks.
- Balanced Mode (54W TDP): A good balance between performance and power consumption for daily use.
- Performance Mode (65W, peak 70W TDP): Maximizes performance for demanding applications and gaming.
3.3. Display Setup
The Nucbox K8 Plus supports up to 4 displays in 4K/8K resolution:
- 2 x USB4 ports (40Gbps, supports Power Delivery 3.0 and DP1.4)
- 1 x HDMI 2.1 port (8K@60Hz)
- 1 x DisplayPort 2.1 port (8K@60Hz)
3.4. Storage and Memory Expansion
The mini PC is highly expandable:
- RAM: Equipped with 32GB DDR5 RAM (5600MHz), expandable up to 128GB via dual 16GB channels.
- SSD: Features a 1TB PCIe 4.0 M.2 SSD, with expansion options up to 8TB.
3.5. Oculink Interface
The Oculink interface provides ultra-fast external connections for storage expansion or GPU upgrades, ensuring faster data transfer rates compared to traditional interfaces. This offers enhanced flexibility for users requiring additional performance for tasks like large data transfers or external GPU use.
4. Maintenance
4.1. Cooling System
The GMKtec K8 Plus features an upgraded dual-fan cooling system with VC heat pipes. To ensure optimal performance and longevity:
- Ensure proper airflow by keeping the vents clear of obstructions.
- Regularly clean dust from the vents using compressed air.
- Avoid placing the mini PC in enclosed spaces that can trap heat.
5. Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| No display on monitor | Loose display cable, incorrect input source on monitor, power issue. | Check HDMI/DisplayPort/USB4 cable connections. Ensure monitor is on correct input. Verify power supply is connected. |
| No network connection | Loose Ethernet cable, Wi-Fi disabled, driver issue. | Check Ethernet cable. Ensure Wi-Fi is enabled in Windows settings. Update network drivers. |
| System running slow | Too many background applications, low RAM, high CPU usage, thermal throttling. | Close unnecessary applications. Check Task Manager for high resource usage. Ensure proper ventilation. Switch to Performance mode. |
| Peripherals not working | Loose connection, driver issue, faulty peripheral. | Reconnect peripheral. Try a different USB port. Update USB drivers. Test with another peripheral. |
6. Specifications
| Feature | Detail |
|---|---|
| Processor | AMD Ryzen 7 8845HS (8C/16T, up to 5.1GHz) |
| Graphics Coprocessor | AMD Radeon 780M 2700MHz (Integrated) |
| RAM | 32 GB DDR5 (5600 MHz), expandable up to 128GB |
| Storage | 1 TB PCIe 4.0 M.2 2280 SSD (Dual Slot, Max. 8TB) |
| Operating System | Windows 11 Pro |
| Ethernet | Dual Intel i226V 2.5Gbps LAN ports |
| Wireless Connectivity | WiFi 6, Bluetooth 5.2 |
| USB Ports | 2 x USB4, 2 x USB 3.0, 2 x USB 2.0 |
| Video Output | 2 x USB4 (4K/8K), 1 x HDMI 2.1 (8K@60Hz), 1 x DisplayPort 2.1 (8K@60Hz) |
| Special Interface | Oculink (PCIe 4.0 x4) |
| Performance Modes | Silent (35W), Balanced (54W), Performance (65W, peak 70W) |
| Cooling System | Upgraded Dual-Fan with VC heat pipes |
| Dimensions | 13.39 x 7.32 x 4.8 inches |
| Item Weight | 12.6 ounces |
7. Warranty and Support
GMKtec offers a 1-year limited warranty for each mini PC, starting from the date of purchase. All defects due to design and workmanship are covered. For any inquiries or support needs, please contact the professional after-sales team.
Contact Information:
- Email Support: support@gmktec.com (24/7 Customer Support)
- Amazon Support: Login to your Amazon account, go to Your Orders, and select "Ask Product Question" for assistance.
