1. Introduction
This manual provides essential information for setting up, operating, maintaining, and troubleshooting your Beelink SEI10 Mini PC. Please read this manual thoroughly before using the device to ensure optimal performance and longevity.

Figure 1: Beelink SEI10 Mini PC
The Beelink SEI10 is a compact and powerful mini PC designed for various computing tasks, from home entertainment to office productivity. It features an Intel Core i5-1035G4 processor, 16GB DDR4 RAM, and a 500GB SSD, offering efficient performance in a small form factor.
2. Package Contents
Verify that all items are present in the package:
- 1 × Beelink SEI10 Mini PC
- 2 × HDMI Cables (25cm and 100cm)
- 1 × Power Adapter
- 1 × Mounting Bracket
- 1 × User Manual (this document)
3. Product Overview and Ports
The Beelink SEI10 Mini PC offers a range of connectivity options for various peripherals and displays.

Figure 2: Front view of the Beelink Mini PC, highlighting its support for WiFi 6 and Bluetooth 5.2 connectivity.
Ports and Connectors:
- 1 × DC Jack Port (for power input)
- 4 × USB 3.0 Ports
- 2 × RJ45 Ports (Gigabit LAN)
- 2 × HDMI Ports (supports dual 4K display output)
- 1 × Audio Jack Port (for headphones and microphone)
- 1 × Type-C Port (supports video output)
4. Setup
Follow these steps to set up your Beelink SEI10 Mini PC:
- Connect to a Display: Use one of the provided HDMI cables to connect the Mini PC to your monitor or TV. If your display supports Type-C video input, you can use the Type-C port.
- Connect Peripherals: Plug in your USB keyboard and mouse into the USB 3.0 ports.
- Connect to Power: Connect the power adapter to the DC Jack port on the Mini PC, then plug the adapter into a power outlet.
- Power On: Press the power button located on the front of the Mini PC. The device will boot up, and you should see the operating system on your display.
- Initial Configuration: Follow the on-screen instructions to complete the Windows 11 Pro setup, including language, region, network connection, and user account creation.
5. Operating
Power On/Off:
- To Power On: Press the power button.
- To Shut Down: Click the Start button in Windows, then select Power > Shut down.
- To Restart: Click the Start button in Windows, then select Power > Restart.
Network Connectivity:
- Wi-Fi: The Mini PC supports Wi-Fi 6 (802.11ax). To connect, click the Wi-Fi icon in the taskbar, select your network, enter the password, and click Connect.
- Ethernet: For a wired connection, connect an Ethernet cable from your router to one of the RJ45 ports on the Mini PC.
- Bluetooth: The Mini PC supports Bluetooth 5.0. To pair devices, go to Windows Settings > Bluetooth & devices, and follow the instructions to add a new device.
Multi-Display Setup:
The Beelink SEI10 supports dual 4K display output via its two HDMI ports and an additional display via the Type-C port, allowing for a triple display setup. Connect your monitors to the available ports, and Windows will automatically detect them. You can configure display settings (extend, duplicate, etc.) in Windows Settings > System > Display.
6. Storage and Memory Expansion
The Mini PC comes with 16GB DDR4 RAM and a 500GB M.2 NVMe SSD. You can expand the storage and memory as follows:
- Memory (RAM): The system supports configurable memory up to 16GB with a single card and 32GB with dual cards.
- M.2 NVMe SSD: The M.2 2280 NVMe SSD can be upgraded to up to 2TB.
- 2.5-inch SATA Drive: An additional 2.5-inch SATA drive (HDD/SSD) can be installed for further storage expansion.

Figure 3: Internal view of the Beelink Mini PC's cooling system, showing the fan, heatsink, and hard drive cooler, along with a table of noise levels.
7. Maintenance
Cleaning:
- Regularly clean the exterior of the Mini PC with a soft, dry cloth.
- Use compressed air to clear dust from ventilation openings to ensure proper airflow and cooling.
- Do not use liquid cleaners or solvents directly on the device.
Software Updates:
Keep your Windows operating system and drivers updated to ensure optimal performance and security. Windows Update can be accessed via Settings > Update & Security > Windows Update.
Heat Management:
The Beelink SEI10 is equipped with an efficient cooling system, including a quiet fan and dual heat pipes. Ensure the Mini PC is placed in a well-ventilated area and that its vents are not obstructed to prevent overheating.
8. Troubleshooting
No Power:
- Ensure the power adapter is securely connected to both the Mini PC and a working power outlet.
- Verify the power outlet is functional by plugging in another device.
No Display:
- Check that the HDMI or Type-C cable is securely connected to both the Mini PC and the monitor.
- Ensure the monitor is powered on and set to the correct input source.
- Try a different HDMI port or cable if available.
Network Connectivity Issues:
- For Wi-Fi, ensure your router is working and the Wi-Fi password is correct.
- For Ethernet, check the cable connection and ensure your router's LAN port is active.
- Restart your router and the Mini PC.
Slow Performance:
- Close unnecessary applications running in the background.
- Ensure the system has sufficient free storage space.
- Check for and install any pending Windows updates.
- Ensure proper ventilation to prevent thermal throttling.
9. Specifications
The following table details the technical specifications of the Beelink SEI10 Mini PC:
| Feature | Specification |
|---|---|
| Brand | Beelink |
| Model Name | SEI10 |
| Operating System | Windows 11 Pro (Windows 10 Pro also possible, upgradeable) |
| CPU Model | Intel Core i5-1035G4 (10th Gen) |
| CPU Base Frequency | 1.1 GHz |
| CPU Max Turbo Frequency | 3.70 GHz (4 Cores / 8 Threads) |
| Smart Cache | 6 MB |
| Graphics | Intel Iris Plus Graphics (Integrated) |
| RAM | 16GB DDR4 (3200 MHz) |
| Max RAM Capacity | 32GB (via dual slots) |
| Storage | 500GB M.2 2280 NVMe SSD |
| Storage Expansion | Up to 2TB M.2 NVMe SSD, 2.5-inch SATA HDD/SSD slot |
| Ethernet | 1000Mbps LAN (2x RJ45 ports) |
| Wi-Fi | Wi-Fi 6 (802.11ax) |
| Bluetooth | Bluetooth 5.0 |
| Video Output | 2x HDMI (4K support), 1x Type-C (video output) |
| USB Ports | 4x USB 3.0 |
| Audio Port | 1x Audio Jack (HP & Mic) |
| Aspect Ratio | 16:9 |
| Resolution | 3840 x 2160 (4K) |
| Year of Manufacture | 2022 |
| UPC | 810056048167 |
Note: Some images in this manual may depict features or specifications of similar Beelink models or general Intel processor capabilities. The specifications listed above are specific to the Beelink SEI10 model with the Intel Core i5-1035G4 processor.

Figure 4: An illustration detailing processor specifications, showing an Intel Core i5-11320H processor. Note: This specific model (SEI10) features an Intel Core i5-1035G4 processor.

Figure 5: A table comparing power consumption and performance metrics between different Intel Core i5 processors.

Figure 6: Performance comparison chart for different Intel Core i5 processors, illustrating benchmark scores.
10. Warranty and Support
Beelink provides lifetime technical support for the SEI10 Mini PC. If you encounter any issues or require assistance, please contact our support team. We offer 7-day/24-hour service to address your concerns.
All Beelink products, including this Mini PC, are certified by FCC, CE, and RoHS, ensuring compliance with quality and safety standards.
If your device was shipped with Windows 10 Pro, you can contact us for a free upgrade to Windows 11 Pro.