Introduction
The UGREEN CM180 is a versatile USB 3.0 card reader designed for efficient data transfer between various memory card types and your computer. This device supports simultaneous reading and writing from four different card formats, offering high-speed performance and broad compatibility across multiple operating systems. Its compact and durable design makes it suitable for both desktop and portable use.

Image: The UGREEN CM180 card reader, a sleek gray device, is shown with various memory cards (SD, Micro SD, CF, MS) around it, illustrating its multi-format compatibility.
Product Features
- 4-in-1 Card Slots: Supports SD, Micro SD (TF), CF, and MS card types.
- Simultaneous Reading: Capable of reading and writing to all four card slots concurrently.
- USB 3.0 Connectivity: Offers SuperSpeed data transfer rates up to 5Gbps, backward compatible with USB 2.0/1.1.
- High Capacity Support: Compatible with memory cards up to 2TB.
- Plug & Play: Driver-free installation for most operating systems.
- Durable Design: Constructed with an aluminum alloy surface for heat dissipation and ABS plastic for durability, including a protective cap.
- Compact and Portable: Ultra-compact form factor for easy transport.

Image: A diagram illustrating the various card slots (CF, SD, TF, MS) and examples of compatible memory card types for each slot, highlighting the device's multi-card support.
Setup Instructions
- Connect to Computer: Insert the USB-A connector of the UGREEN CM180 into an available USB 3.0 port on your computer. The device is backward compatible with USB 2.0 ports, but USB 3.0 is recommended for optimal performance.
- Driver Installation: The UGREEN CM180 is a Plug & Play device and typically does not require manual driver installation for Windows, macOS, Linux, or Chrome OS. Your operating system should automatically detect and configure the device.
- Ready for Use: Once connected, the card reader is ready to accept memory cards.

Image: The UGREEN CM180 card reader is shown connected to a laptop, with icons representing various compatible operating systems like macOS, Windows 10, Windows 8.1, Windows 7, Windows XP, Chrome OS, and Linux, emphasizing its broad system compatibility and plug-and-play functionality.
Operating Instructions
The UGREEN CM180 allows for easy access to data on various memory cards. Follow these steps to transfer data:
- Insert Memory Card: Carefully insert your memory card into the corresponding slot on the UGREEN CM180. Ensure the card is inserted correctly according to its orientation.
- SD Slot: For SD, SDHC, SDXC cards.
- Micro SD (TF) Slot: For Micro SD, Micro SDHC, Micro SDXC cards.
- CF Slot: For CompactFlash Type I cards (not compatible with CF Type II).
- MS Slot: For Memory Stick, MS Pro DO cards.
- Access Data: Once the card is inserted, your computer's operating system will typically recognize it as a removable drive. You can then access the card's contents through File Explorer (Windows) or Finder (macOS).
- Data Transfer: Drag and drop files to and from the memory card, or use copy/paste functions to transfer data. The USB 3.0 interface ensures fast transfer speeds.
- Eject Safely: Before removing the memory card or disconnecting the card reader, always safely eject the drive from your operating system to prevent data corruption.
- Windows: Right-click the drive icon in "This PC" or the taskbar's "Safely Remove Hardware" icon and select "Eject."
- macOS: Drag the drive icon to the Trash or click the Eject button next to the drive in Finder.

Image: The UGREEN CM180 card reader is shown plugged into a laptop, with a CompactFlash card inserted. Graphics indicate a 5Gbps SuperSpeed transmission rate, comparing it to USB 2.0's 480Mbps, illustrating its high-speed data transfer capability.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the card reader. Avoid liquid cleaners or solvents.
- Storage: When not in use, store the card reader in a cool, dry place. Utilize the protective cap to prevent dust and debris from entering the USB connector.
- Handling: Avoid dropping the device or subjecting it to strong impacts. Do not force memory cards into slots; ensure correct orientation.
- Temperature: Operate and store the device within recommended temperature ranges to ensure optimal performance and longevity.

Image: A close-up of the UGREEN CM180 card reader, detailing its construction materials: an aluminum surface for anti-overheat, ABS plastic for anti-slip, and a protective cap for anti-dust, emphasizing its durable and protective design.
Troubleshooting
- Problem: Card reader not recognized by computer.
- Solution:
- Try connecting the card reader to a different USB port on your computer.
- Ensure the USB cable (if applicable, though this model is direct plug) is securely connected.
- Restart your computer.
- Check your computer's Device Manager (Windows) or System Information (macOS) to see if the device is listed.
- Problem: Memory card not detected.
- Solution:
- Ensure the memory card is fully and correctly inserted into the appropriate slot.
- Try a different memory card to rule out a card issue.
- Verify that the memory card is not locked (some SD cards have a physical lock switch).
- Check if the card reader supports the specific type and capacity of your memory card.
- Problem: Slow data transfer speeds.
- Solution:
- Ensure the card reader is connected to a USB 3.0 port on your computer. USB 2.0 ports will limit speeds.
- Verify that your memory card itself is capable of high-speed data transfer (e.g., UHS-I for SD cards).
- Avoid running multiple data-intensive applications during transfer.
Specifications
| Model | CM180 |
| Brand | UGREEN |
| Interface | USB 3.0 (backward compatible with USB 2.0/1.1) |
| Data Transfer Rate | Up to 5Gbps (USB 3.0 SuperSpeed) |
| Card Slots | SD, Micro SD (TF), CF (Type I), MS |
| Supported Card Types | SD, SDHC, SDXC, Micro SD, Micro SDHC, Micro SDXC, CompactFlash Type I, Memory Stick, MS Pro DO |
| Max Card Capacity | Up to 2TB |
| Operating Systems | Windows XP/Vista/7/8/8.1/10, macOS, Linux, Chrome OS |
| Special Features | Simultaneous card reading and writing |
| Material | Aluminum Alloy, ABS Plastic |
| Dimensions (Approx.) | 94mm x 33mm x 13mm |
| Product Number | 6957303855414 |

Image: The UGREEN CM180 card reader is shown partially inserted into a laptop bag pocket, with an overlay indicating its dimensions (94mm length, 33mm width, 13mm thickness), emphasizing its compact and portable design for on-the-go use.
Warranty and Support
Information regarding specific warranty terms for the UGREEN CM180 USB 3.0 4-in-1 Card Reader is not provided in the product details. For warranty claims, technical support, or further assistance, please refer to the official UGREEN website or contact your point of purchase.
Please note that spare parts availability and software update guarantees are listed as "Information not available" in the product specifications.





