1. Introduction
Thank you for choosing the MEDIACOM MD-S405 USB-C Aluminum SD Micro SD Card Reader. This device is designed to provide fast and reliable data transfer between your memory cards and USB-C enabled devices. This manual provides essential information on how to set up, operate, maintain, and troubleshoot your card reader to ensure optimal performance.
2. Product Overview
The MEDIACOM MD-S405 is a compact and durable memory card reader featuring an aluminum casing and a USB-C interface. It supports both SD and Micro SD card formats, allowing you to easily access and manage files from various devices such as cameras, drones, and smartphones.

An image showing the compact MEDIACOM MD-S405 USB-C card reader. It features a dark grey aluminum body with a short integrated USB-C cable. The card reader has slots for both SD and Micro SD cards visible on its side.
3. Setup
- Connect the Card Reader: Plug the USB-C connector of the MD-S405 into an available USB-C port on your computer, laptop, tablet, or smartphone.
- Driver Installation: The MD-S405 is a plug-and-play device and typically does not require any additional driver installation. Your operating system (Windows, macOS, Android, Linux) should automatically recognize the device.
- Insert Memory Card: Carefully insert your SD or Micro SD card into the corresponding slot on the card reader. Ensure the card is inserted correctly with the contacts facing down. Do not force the card.
4. Operating Instructions
- Accessing Files: Once the card reader and memory card are connected, your device's operating system will usually display the card as a removable drive. Navigate to 'My Computer' or 'This PC' (Windows), 'Finder' (macOS), or your file manager (Android/Linux) to locate the drive.
- Transferring Files: You can now drag and drop files to and from the memory card, or use copy/paste functions to transfer data.
- Safe Removal: Before disconnecting the card reader or removing the memory card, always safely eject the device from your operating system. For Windows, right-click the drive icon and select 'Eject'. For macOS, drag the drive icon to the Trash or click the eject button next to the drive in Finder. This prevents data corruption.
5. Maintenance
- Cleaning: Use a soft, dry, lint-free cloth to clean the exterior of the card reader. Do not use liquid cleaners or solvents.
- Storage: Store the card reader in a cool, dry place away from direct sunlight and extreme temperatures.
- Handling: Avoid dropping the device or exposing it to excessive force. Do not attempt to disassemble the card reader, as this will void any warranty.
6. Troubleshooting
- Card Reader Not Detected:
- Ensure the USB-C connector is fully inserted into the port.
- Try connecting to a different USB-C port on your device.
- Test the card reader on another compatible device to rule out a port issue.
- Memory Card Not Recognized:
- Ensure the memory card is inserted correctly and fully into its slot.
- Check if the memory card is damaged or corrupted by testing it in another device.
- Verify that the memory card format (e.g., FAT32, exFAT, NTFS) is supported by your operating system.
- Slow Data Transfer:
- Transfer speeds can vary based on the memory card's speed class, the USB-C port's capabilities (e.g., USB 3.0 vs. USB 2.0), and your computer's performance.
- Ensure you are using a high-speed memory card for optimal performance.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | MEDIACOM |
| Model Number | MD-S405 |
| Connectivity Technology | USB Type C |
| Compatible Media Types | SD, Micro SD |
| Compatible Devices | Laptop, Tablet, Smartphone |
| Operating System Compatibility | All operating systems |
| Special Feature | USB-C Interface |
| Color | White |
| Material | Aluminum |
8. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or visit the official MEDIACOM website. Keep your proof of purchase for warranty claims.
If you encounter issues not covered in this manual, please contact MEDIACOM customer support for assistance.





