1. Introduction
The UGREEN CM197 HDD/SSD Docking Station provides a convenient and efficient solution for connecting 2.5-inch and 3.5-inch SATA hard drives and solid-state drives to your computer or other compatible devices. This docking station supports capacities up to 32TB and features high-speed data transfer with UASP and TRIM support, ensuring reliable performance for data backup, disk imaging, and large file transfers. Its tool-free design and wide compatibility make it an ideal choice for various applications.

Image 1.1: UGREEN CM197 Docking Station supporting up to 32TB capacity.
2. Package Contents
- UGREEN CM197 Hard Drive Docking Station Unit
- 1-meter USB 3.0 Type-B Cable
- Dedicated Power Adapter (12V/2A)
- User Manual
3. Product Overview
The UGREEN CM197 is designed for ease of use and high performance. Key features include:
- Maximum Capacity: Supports up to 32TB for 2.5-inch and 3.5-inch SATA HDDs/SSDs.
- High-Speed Transfer: USB 3.0 interface with UASP and TRIM support for data transfer speeds up to 5Gbps.
- Stable Power: Includes a 12V/2A power adapter for stable operation of large capacity drives.
- Dual Protection: Features voltage separation and short-circuit protection for enhanced data safety.
- Wide Compatibility: Compatible with Windows, macOS, desktop PCs, notebooks, Xbox, PS3/PS4, smart TVs, and routers.
- Tool-Free Design: Easy, tool-free installation and hot-swap support.
- LED Indicator: Provides clear status indication (solid for power, blinking for data activity).
- Automatic Sleep Mode: Enters sleep mode after 3 minutes of inactivity to conserve power and extend drive lifespan.
Product Components

Image 3.1: Key components of the UGREEN CM197 Docking Station.
- SATA Slot: For inserting 2.5-inch or 3.5-inch SATA HDDs/SSDs.
- LED Indicator: Shows power and data activity status.
- USB 3.0 Type-B Port: Connects to your host device.
- DC 12V Power Input: Connects to the included power adapter.
- ON/OFF Switch: Powers the docking station on or off.
- Non-slip Mat: Located at the base for stability.
4. Setup Instructions
Follow these steps to set up your UGREEN CM197 Docking Station:
- Insert HDD/SSD: Gently insert your 2.5-inch or 3.5-inch SATA HDD or SSD into the SATA slot of the docking station. Ensure it is firmly seated. The tool-free design allows for easy insertion and removal.

Image 4.1: Inserting a hard drive into the docking station.
- Connect Power: Connect the included 12V/2A power adapter to the DC 12V power input port on the docking station, then plug the adapter into a power outlet.
- Connect to Host Device: Use the provided USB 3.0 Type-B cable to connect the docking station's USB 3.0 port to a USB port on your computer, game console, router, or other compatible device.
- Power On: Flip the ON/OFF switch on the docking station to the 'ON' position. The LED indicator will light up, indicating the device is powered on.
Your operating system should automatically detect the connected drive. If it's a new drive, you may need to initialize and format it through Disk Management (Windows) or Disk Utility (macOS) before use.
5. Operating Instructions
Data Transfer
Once the drive is recognized by your host device, you can perform data transfers just like with any other external storage device. Drag and drop files, or use backup software. The USB 3.0 interface with UASP and TRIM ensures optimal transfer speeds.

Image 5.1: High-speed data transfer between the docking station and a laptop.
Hot-Swap Functionality
The docking station supports hot-swapping. To safely remove a drive, ensure all data transfer operations are complete, then safely eject the drive from your operating system before physically removing it from the slot.
LED Indicator Status
- Solid Blue: Device is powered on and idle.
- Blinking Blue: Data is being read from or written to the drive.
Automatic Sleep Mode
To save power and prolong the lifespan of your hard drive, the docking station will automatically enter sleep mode after 3 minutes of inactivity. The drive will spin down, and the LED indicator may change or turn off depending on the specific model. The drive will wake up automatically when accessed again.

Image 5.2: Automatic sleep mode feature.
6. Maintenance
- Keep the docking station clean and free from dust. Use a soft, dry cloth for cleaning.
- Avoid exposing the device to liquids, moisture, or extreme temperatures.
- Do not attempt to disassemble or repair the device yourself. Refer to qualified service personnel.
- Ensure proper ventilation around the docking station to prevent overheating. The stand-type design promotes 360-degree heat dissipation.

Image 6.1: Efficient cooling design of the docking station.
7. Troubleshooting
- Drive Not Detected:
- Ensure the power adapter is securely connected and the docking station is powered on.
- Verify the USB cable is properly connected to both the docking station and the host device.
- Try connecting to a different USB port on your host device.
- Check if the HDD/SSD is correctly inserted into the SATA slot.
- For new drives, ensure they are initialized and formatted in your operating system's Disk Management (Windows) or Disk Utility (macOS).
- Test with a different HDD/SSD to rule out drive issues.
- Slow Transfer Speeds:
- Ensure you are connected to a USB 3.0 port on your host device for optimal performance.
- Verify that your operating system and drivers support UASP.
- Check the health and speed of your HDD/SSD.
- Avoid transferring many small files simultaneously, as this can reduce overall speed.
- Frequent Disconnections:
- Ensure the power supply is stable and the 12V/2A adapter is used.
- Check for loose cable connections.
- Avoid placing the device near strong electromagnetic interference sources.
8. Specifications
| Brand | UGREEN |
| Model Number | CM197 |
| Hardware Interface | SATA 3.0 Gb/s, USB 3.0 |
| Compatible Drive Types | 2.5-inch / 3.5-inch SATA HDD/SSD |
| Max Capacity Support | 32 TB |
| Data Transfer Rate | 5 Gigabits per second |
| Power Adapter | 12V/2A |
| Compatible Operating Systems | Windows, macOS |
| Compatible Devices | Desktop PC, Notebook PC, Xbox Series, PS3/PS4, Router, Smart TV |
| Product Dimensions (L x W x H) | 15.1 x 7.8 x 6.1 cm |
| Exterior Material | Plastic |
| Country of Origin | China |
9. Warranty and Support
Warranty Information
This UGREEN CM197 HDD/SSD Docking Station comes with a 2-year manufacturer's warranty from the date of purchase. Please retain your proof of purchase for warranty claims. The warranty covers defects in materials and workmanship under normal use.
Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact UGREEN customer support through their official website or the retailer where you purchased the product. You can find more information and support resources on the UGREEN Brand Store.