1. Introduction
The Beelink SER5 Pro is a high-performance mini PC designed for business, office, multimedia, and light gaming applications. Powered by an AMD Ryzen 7 Pro 5850U processor, it offers a compact form factor without compromising on power or connectivity. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your SER5 Pro Mini PC.
Key features include:
- Powerful CPU: AMD Ryzen 7 Pro 5850U (8 cores/16 threads, up to 4.4GHz) for efficient multitasking.
- Expandable Memory & Storage: Supports dual-channel DDR4 RAM up to 64GB and M.2 NVMe SSD up to 2TB, plus an additional 2.5-inch SSD/HDD.
- 4K Ultra-High-Definition Vision: Integrated AMD Radeon Graphics with 8 cores (2000MHz) and support for triple-screen display (DP+HDMI+Type-C) at 4K@60Hz.
- Rich Connectivity: Gigabit Ethernet, Wi-Fi 6, Bluetooth 5.2, and multiple USB ports.
- Efficient Cooling: Built-in quiet cooling fan and heat sink to prevent overheating.
2. Package Contents
Please check the box for the following items:
- Beelink SER5 Pro Mini PC
- User Manual
- Wall-mounted bracket with screws
- HD cables (HDMI)
- Power adapter (Optional: US/EU/UK/JP/AU plug types)

3. Product Overview
3.1. Ports and Connectors
The Beelink SER5 Pro Mini PC features a variety of ports for extensive connectivity:

- Front Ports:
- RTC Key (Clear CMOS)
- USB 3.2 Gen2 (x2)
- Type-C (Data & Video)
- Earphone Jack
- Power Button
- Rear Ports:
- LAN (1000M Gigabit Ethernet)
- USB 2.0 (x2)
- USB 3.2 Gen2 (x1)
- DisplayPort (DP)
- HDMI (4K 60Hz)
- DC Power Input
3.2. Dimensions
The SER5 Pro is designed to be compact and space-saving.

- Dimensions: 126mm (W) x 113mm (D) x 42mm (H) / 4.96" x 4.44" x 1.65"
3.3. Internal Components (Exploded View)
An overview of the internal structure:

- ABS Plastic Casing
- Silent Fan
- CPU (AMD Ryzen 7 Pro 5850U)
- Motherboard
- M.2 2280 PCIe3.0 SSD
- SO-DIMM DDR4 RAM
- 2.5-inch HDD (7mm) slot
- Metal bottom panel
4. Setup Instructions
4.1. Initial Connection
- Connect your monitor(s) to the HDMI, DisplayPort, or Type-C video outputs.
- Connect a keyboard and mouse to the available USB ports.
- Connect the power adapter to the DC input port on the mini PC and then to a power outlet.
- Press the power button on the front of the mini PC to turn it on.
4.2. Wall Mounting (Optional)
The SER5 Pro can be mounted to the back of a monitor or a wall using the included bracket.

- Attach the wall-mounted bracket to the mini PC using the provided screws.
- Securely fix the bracket (with the mini PC attached) to the back of your display or a suitable wall surface using appropriate screws.
5. Operating Instructions
5.1. Power On/Off
- Power On: Press the power button on the front panel.
- Power Off: Use the operating system's shutdown function. Alternatively, press and hold the power button for a few seconds for a forced shutdown (not recommended for regular use).
5.2. Multi-Monitor Setup
The SER5 Pro supports connecting up to three displays simultaneously, enhancing productivity for various tasks.

Connect your monitors using a combination of the HDMI, DisplayPort, and Type-C video outputs. Configure display settings within your operating system.
5.3. Wireless Connectivity
The mini PC is equipped with advanced wireless technologies for fast and stable connections.

- Wi-Fi 6 (802.11ax): Provides faster speeds and lower latency for network activities. Connect to your wireless network via the operating system's network settings.
- Bluetooth 5.2: For connecting wireless peripherals such as keyboards, mice, and headphones. Pair devices through the operating system's Bluetooth settings.
5.4. Typical Applications
The SER5 Pro is versatile for various uses:

- Meetings & Presentations
- Office Productivity
- Home Theater & Entertainment
- Graphic Design
- Educational Use
- Video Editing
- School Work
6. Maintenance
6.1. Cooling System
The SER5 Pro features an active cooling system to maintain optimal performance.

- Ensure proper ventilation around the mini PC. Do not block the air vents.
- Periodically clean dust from the vents using compressed air to maintain efficient cooling.
6.2. Storage and Memory Expansion
The SER5 Pro offers options for upgrading its memory and storage capacity.


- RAM: The mini PC has two SO-DIMM DDR4 slots, supporting up to 64GB (2x32GB) of DDR4-3200MHz RAM.
- M.2 NVMe SSD: It supports one M.2 2280 NVMe PCIe3.0 x4 SSD, with capacities up to 2TB.
- 2.5-inch Storage: An additional 2.5-inch SATA HDD/SSD (7mm thickness) can be installed for expanded storage.
For upgrades, ensure the device is powered off and unplugged. Consult a professional if you are unsure about the installation process.
7. Troubleshooting
- No Power: Ensure the power adapter is securely connected to both the mini PC and a working power outlet. Try a different outlet.
- No Display: Check that the monitor is powered on and the video cable (HDMI, DP, or Type-C) is firmly connected to both the mini PC and the monitor. Try a different video cable or monitor if possible.
- No Internet Connection: For wired connection, ensure the Ethernet cable is properly connected. For Wi-Fi, check your router and ensure the Wi-Fi adapter is enabled in the operating system.
- Slow Performance: Close unnecessary applications. Check for background processes consuming resources. Ensure adequate ventilation to prevent thermal throttling. Consider upgrading RAM or switching to an SSD if using an HDD.
- Peripheral Not Detected: Ensure USB devices are properly plugged in. Try a different USB port. Update drivers if necessary.
- System Crash/Freeze: Perform a forced shutdown by holding the power button. If issues persist, check for operating system updates, driver updates, or potential hardware issues.
8. Specifications

| Feature | Detail |
|---|---|
| Dimension | 4.96" x 4.44" x 1.65" (126 x 113 x 42mm) |
| CPU | AMD Ryzen™ 7 Pro 5850U (1.9-4.4GHz, 8 Cores/16 Threads, L2 4MB, L3 16MB) |
| Graphics | AMD Radeon™ Graphics (8 Cores, 2000MHz) |
| Wireless LAN | WiFi 6 (802.11ax), Bluetooth 5.2 |
| System Disk Slot | 1 x M.2 NVMe 2280 |
| Internal Slots | 2 x SO-DIMM DDR4 Slot, 1 x SATA HDD (2.5-inch 7mm) Slot |
| Interfaces | DC Jack, 3 x USB 3.2 Gen2 (10Gbps), 1 x LAN 1000M, 1 x 4K 60Hz HD, 1 x DisplayPort, 1 x Audio Jack (HP&MIC), 1 x Type-C (Data&Video), 1 x USB 2.0 |
| Additional Functions | WOL (Wake On LAN), AUTO POWER ON |
| Power LED | 1 |
| Power Button | 1 |
| Adapter | Input: 100-240V AC, 50/60Hz; Output: 19V/3.42A |
| Operating Environment | -10℃~45℃, 30%~90% Humidity |
| Storage Environment | -20℃~60℃, 10%~90% Humidity |
| Certification | CE |
9. User Tips
- For optimal performance, ensure your operating system and drivers are kept up to date.
- When upgrading RAM or storage, use compatible components to avoid system instability.
- Utilize the triple-screen display feature for enhanced productivity in work or creative tasks.
- Consider using the wall-mount bracket to save desk space and improve cable management.
10. Warranty and Support
Beelink provides a one-year quality assurance for the SER5 Pro Mini PC. For any questions or technical assistance, please contact Beelink customer support. They offer 24/7 manual customer service and lifetime technical support.





