1. Introducció
Thank you for choosing the UGREEN USB 3.0 Dual Slot SD Card Reader. This device is designed to provide fast and convenient data transfer between your memory cards and computer. Please read this manual carefully to ensure proper use and optimal performance.

The UGREEN USB 3.0 Dual Slot SD Card Reader, featuring a compact design and USB-A connector.
2. Producte acabatview
The UGREEN SD Card Reader is a portable USB 3.0 adapter that supports various memory card types, including SD, Micro SD, and their variants. It features a dual-slot design allowing simultaneous access to both SD and Micro SD cards, enhancing workflow efficiency. With its plug-and-play functionality, it offers broad compatibility across multiple operating systems.
3. Característiques
- Supervelocitat de 5 Gbps: Utilizes USB 3.0 standard protocol for rapid data transfer, allowing HD movies or large files to be moved in seconds.
- Dual Slot Design: Equipped with dedicated slots for SD and TF (Micro SD) cards, supporting simultaneous read and write operations.
- Wide Card Compatibility: Supports SD/SDHC/SDXC/MMC/RS-MMC/Micro SD/Micro SDXC/Micro SDHC/UHS-I memory cards, with capacity support up to 2TB.
- Plug and Play: Driver-free installation for most operating systems, ensuring ease of use.
- Compacte i portàtil: Small form factor for easy transport, making it an ideal accessory for mobile users and photographers.

This image illustrates the high-speed data transfer capability of the UGREEN SD Card Reader, achieving up to 5Gbps with USB 3.0.

The UGREEN SD Card Reader supports a wide range of memory card formats, including standard SD, Micro SD, and their variants.
4. Configuració
- Remove the protective cap from the USB-A connector of the card reader.
- Insert your SD card into the designated SD card slot or your Micro SD (TF) card into the Micro SD card slot. Ensure the card is inserted correctly and fully seated.
- Plug the UGREEN SD Card Reader into an available USB 3.0 port on your computer.
- Your computer should automatically detect the device and the inserted memory card(s). The card(s) will appear as removable drives in your file explorador.

This device offers plug-and-play functionality, requiring no additional drivers for Windows, macOS, or Linux operating systems.
5. Instruccions de funcionament
- Once the card reader is connected and recognized by your computer, navigate to 'This PC' (Windows) or 'Finder' (macOS).
- Locate the new removable drive(s) corresponding to your inserted memory card(s).
- Double-click the drive icon to access the contents of your memory card.
- You can now copy, move, delete, or view filecom ho faries amb qualsevol altre dispositiu d'emmagatzematge.
- To safely remove the card reader, right-click on the drive icon in your file explorer and select 'Eject' (Windows) or drag the drive icon to the Trash (macOS). Wait for the 'Safe to Remove Hardware' notification before physically unplugging the device.

The dual-slot design allows for simultaneous reading and writing to both SD and Micro SD cards, eliminating the need to constantly swap cards.

Ideal for photographers, the card reader facilitates instant transfer of photos and videos from memory cards to a computer for editing or sharing.
6. Supported Card Types
The UGREEN SD Card Reader supports the following memory card formats:
- Targeta SD
- SDHC (Secure Digital High Capacity)
- SDXC (Secure Digital eXtended Capacity)
- MMC (MultiMediaCard)
- RS-MMC (Reduced-Size MultiMediaCard)
- TF (TransFlash) / Micro SD Card
- Micro SDHC
- Micro SDXC
- UHS-I (Ultra High Speed Phase I)
Maximum supported capacity: 2TB.
7. Compatibilitat
The UGREEN SD Card Reader is compatible with the following operating systems:
- Windows 11 / 10 / 8.1 / 8 / 7 / XP / Vista
- Mac OS
- Linux
- Chrome OS
8. Especificacions
| Marca | UGREEN |
| Número de model | 40752 |
| Tecnologia de connectivitat | USB Type A (USB 3.0) |
| Tipus de suports compatibles | MMC, MMCmicro, RS-MMC, SD Card, SDHC, SDXC, UHS-1, microSD, microSDHC, microSDXC |
| Plataforma de maquinari | PC |
| Sistema operatiu | Chrome OS, Linux, Mac OS, Windows |
| Pes de l'article | 0.704 unces |
| Dimensions del producte (LxWxH) | 2.6 x 0.79 x 0.45 polzades |
| Color | Negre |

The compact and portable design of the UGREEN SD Card Reader makes it easy to carry, with dimensions of 65mm x 20mm x 11mm.
9. Què hi ha a la caixa
El paquet inclou:
- 1 x UGREEN USB 3.0 Card Reader with SD/TF slots
- 1 x Manual d'usuari
10. Solució De Problemes
- Dispositiu no reconegut: Ensure the card reader is fully inserted into a working USB port. Try a different USB port or computer. Verify that your operating system is up to date.
- Memory card not detected: Ensure the memory card is fully and correctly inserted into its respective slot. Try a different memory card to rule out a card issue.
- Velocitats de transferència lentes: Ensure you are using a USB 3.0 port on your computer for optimal speeds. USB 2.0 ports will result in slower transfer rates. The speed of your memory card also affects transfer performance.
- Cannot write to card: Check if the memory card has a physical write-protection switch and ensure it is in the 'unlocked' position.
11. Manteniment
- Keep the card reader clean and free from dust and debris. Use a soft, dry cloth for cleaning.
- Eviteu exposar el dispositiu a temperatures extremes, humitat o llum solar directa.
- Do not attempt to disassemble or modify the card reader, as this will void the warranty.
- Store the card reader with its protective cap on when not in use to prevent damage to the USB connector.
12. Garantia i Suport
UGREEN products come with a standard manufacturer's warranty. For specific warranty details, technical support, or customer service inquiries, please refer to the official UGREEN weblloc web o contacteu directament amb el seu servei d'atenció al client. Conserveu el comprovant de compra per a reclamacions de garantia.





