1. Introduction
This manual provides instructions for the UGREEN US3000 Uninterruptible Power Supply (UPS) and the UGREEN DXP480T Plus 4-Bay All-Flash SSD Network Attached Storage (NAS) bundle. The US3000 UPS is designed to provide continuous power to your NAS, protecting against data loss during unexpected power outages. The DXP480T Plus NAS offers high-speed, all-flash storage for your data.
2. Safety Information
Please read all safety instructions carefully before using the device. Failure to follow these instructions may result in electric shock, fire, or damage to the product.
- Do not expose the device to rain, moisture, or extreme temperatures.
- Ensure proper ventilation around both the UPS and NAS units.
- Use only the power adapters and cables provided or recommended by UGREEN.
- Do not attempt to open or repair the device yourself. Refer all servicing to qualified personnel.
- The UPS contains a Li-ion battery. Handle with care and dispose of according to local regulations.
- The UPS features multiple protection protocols including power failure, surge, over-charge, over-current, and short-circuit protection.
3. Package Contents
Verify that all items are present in your package:
- UGREEN NAS US3000 Uninterruptible Battery Power Supply
- UGREEN DXP480T Plus 4 Bay All-Flash SSD NAS
- Power Adapter(s)
- Connecting Cables
- User Manual (this document)
4. Product Overview
4.1 UGREEN US3000 UPS
The US3000 UPS provides backup power and protection for your NAS.

Image: The UGREEN US3000 UPS unit, showing its DC IN, USB-C, and DC 12V output ports, along with a power button and status indicators.
4.2 UGREEN DXP480T Plus NAS
The DXP480T Plus is a 4-bay all-flash SSD NAS designed for high-speed data storage and access.

Image: The UGREEN DXP480T Plus NAS unit, a compact rectangular device with a front panel and ventilation grilles.

Image: Rear view of the UGREEN DXP480T Plus NAS, highlighting its dual Thunderbolt 4 ports for high-speed data transmission, along with other connectivity options like Ethernet and HDMI.
5. Setup
5.1 Compatibility
The US3000 UPS is exclusively compatible with UGREEN NAS models including DXP2800, DXP4800, DXP4800Plus, DXP480T, and DH4300Plus, DH2300. It is not compatible with DXP6800 Series and DXP8800 series. Please confirm your NAS model before connecting.
5.2 Connecting the UPS to the NAS
- Ensure both the UPS and NAS are powered off.
- Connect the DC output cable from the US3000 UPS (DC 12V port) to the power input port of your DXP480T Plus NAS.
- Connect the UPS power adapter to the DC IN port of the US3000 UPS, then plug the adapter into a wall outlet.

Image: The UGREEN US3000 UPS connected to a UGREEN NAS unit, illustrating the power connection for UPS power protection.
5.3 Installing SSDs (for DXP480T Plus NAS)
The DXP480T Plus is an all-flash SSD NAS. Refer to the specific NAS manual for detailed instructions on installing SSDs into the drive bays. Ensure SSDs are securely installed before powering on.

Image: The UGREEN DXP480T Plus NAS, indicating its capability for up to 32TB of all-flash storage space. Note: Storage disks are not included and must be installed separately.
5.4 Initial Power On
- After connecting the UPS and NAS, press the power button on the NAS to turn it on.
- The UPS will automatically begin charging its internal battery and provide power to the NAS.
6. Operation
6.1 UPS Functionality
The US3000 UPS provides uninterrupted power support. In the event of a power outage, it seamlessly transfers to battery power within 0 seconds, preventing data loss and extending NAS runtime for approximately 10 minutes. This allows for safe shutdown procedures.

Image: The UGREEN US3000 UPS connected to a NAS, illustrating its 120W MAX full-speed output to protect data from sudden power outages.
6.2 Intelligent Protection Features
The UPS incorporates a 9-layer safety shield for comprehensive protection:
- Power-Off Protection
- Short-Circuit Protection
- Overheat Protection
- Overcharge Protection
- Overcurrent Protection
- Over-Discharge Protection
- Overvoltage Protection
- Surge Protection
- Prevent Power Interruption

Image: The UGREEN US3000 UPS, visually representing its 9-layer safety shield with icons for various protection features.
6.3 App Integration and Intelligent Reminder
The UPS features an intelligent processor that allows you to define policies via a dedicated UGREEN app. In case of an unexpected power outage, the app can:
- Orderly and securely pause active NAS tasks.
- Automatically notify you to safely shut down the NAS.
- Automatically restart the NAS when electricity returns (no manual intervention required).

Image: The UGREEN US3000 UPS, illustrating its UPS power protection and the ability to control power supply via an app with one-click on/off functionality.
6.4 NAS Data Security
The DXP480T Plus NAS includes professional data security features:
- Built-in Firewall
- High Strength Encryption
- Security Manager

Image: The UGREEN DXP480T Plus NAS, accompanied by icons representing its professional data security features: Firewall, High Strength Encryption, and Security Manager.
7. Maintenance
7.1 Cleaning
Regularly clean the exterior of both units with a soft, dry cloth. Do not use liquid cleaners or aerosols. Ensure ventilation openings are free from dust and obstructions.
7.2 UPS Battery Care
To prolong the lifespan of the UPS battery:
- Avoid storing the UPS in extreme temperatures.
- If storing for an extended period, ensure the battery is partially charged (around 50%) and recharge every 3-6 months.
7.3 Firmware Updates
Periodically check the UGREEN official website or the UGREEN app for available firmware updates for both the UPS and NAS to ensure optimal performance and security.
8. Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| NAS not powering on | Loose power connection, UPS battery depleted, UPS not connected to wall power. | Check all power connections. Ensure UPS is plugged into a live outlet. Allow UPS to charge. |
| UPS not providing backup power | UPS battery depleted or faulty. | Ensure UPS is fully charged. If issue persists, contact support. |
| Data access issues on NAS | Network connectivity problems, SSD issues, NAS software error. | Check network cables. Verify SSD status via NAS interface. Restart NAS. |
| App not connecting to UPS/NAS | Network issues, incorrect app settings, device not discoverable. | Ensure devices are on the same network. Check app permissions. Restart app and devices. |
For further assistance, please contact UGREEN customer support.
9. Specifications
| Feature | Detail |
|---|---|
| Brand | UGREEN |
| UPS Model | US3000 |
| UPS Battery Capacity | 12000mAh |
| NAS Model | DXP480T Plus |
| NAS Drive Bays | 4-Bay All-Flash SSD |
| Hard Disk Interface | NVMe |
| Connectivity Technology | Ethernet, Thunderbolt 4 (NAS) |
| Special Feature | Uninterruptible Battery Power Supply |
| Compatible Devices | Desktop, Laptop (for NAS access) |
| Installation Type | Internal Hard Drive (for SSDs in NAS) |
| Specific Uses For Product | Network-Attached Storage (NAS) |
| Included Components | NAS US3000, DXP480T Plus 4 Bay All-Flash SSD NAS |
| Form Factor | 2.5-inch (for SSDs) |
| Hardware Interface | Ethernet |
| Additional Features | Uninterruptible Battery Power Supply |
10. Warranty and Support
UGREEN products typically come with a standard manufacturer's warranty. Please refer to the warranty card included in your package or visit the official UGREEN website for detailed warranty terms and conditions.
Customer Support
For technical support, troubleshooting, or warranty claims, please contact UGREEN customer service through their official website or the contact information provided in your product documentation.
UGREEN Official Website: www.ugreen.com