Introduction
This manual provides detailed instructions for the BENFEI 3.5/2.5 inch SATA HDD/SSD Enclosure, designed for external storage solutions. It supports both 3.5-inch and 2.5-inch SATA hard drives and solid-state drives up to 20TB, featuring tool-free installation and high-speed data transfer with UASP support. Please read this manual carefully before use to ensure proper operation and longevity of your device.

Image: The BENFEI 3.5/2.5 inch SATA HDD/SSD Enclosure, showcasing its sleek design and connectivity options.
Product Features
- Universal Compatibility: Easily connect your 3.5/2.5 inch SATA III/II/I HDD/SSD (up to 20TB) to your PC, laptop, PS4, or use as an external USB drive. Compatible with Windows, macOS (8.0+), and Linux for multi-platform flexibility.
- Ultra-fast Data Transfers: Achieve speeds up to 6 Gbps with UASP support, which is up to 70% faster than standard USB 3.0. Backward compatible with USB 2.0/1.1 for use with older devices.
- Secure and Stable Design: Supports both 2.5-inch and 3.5-inch drives. Equipped with integrated EVA padding to firmly secure drives of various sizes and thicknesses, preventing movement and ensuring reliable data transfer.
- Tool-free and Plug-and-Play: No screws or screwdrivers are required for installation. Simply open the cover, insert the drive, and begin use immediately. Supports hot-swap for effortless file transfers.
- Reliable and Worry-Free: Backed by an 18-month warranty and friendly, accessible customer service.

Image: Illustration showing the BENFEI enclosure supporting both 3.5-inch and 2.5-inch SATA HDDs/SSDs with a maximum capacity of 20TB.

Image: Diagram highlighting the smart chip inside the enclosure, featuring USAP, TRIM, Auto Sleep, and S.M.A.R.T support.
What's in the Box
The package includes the following items:
- 1 x BENFEI SATA Hard Drive Enclosure
- 1 x USB3.0-A to C Cable (0.3m / 0.98 ft)
- 1 x USB2.0 C to C Cable (1m / 3.3 ft, for power supply)
- 1 x USB-A+C 20W GaN Fast Charger
- 1 x 35x35x8mm EVA pad for thin 3.5" HDD (H<20mm)
- 1 x 84.6x82x25.5mm EVA padding for 2.5" SSD
- 1 x User Manual
Setup Instructions
Follow these steps for tool-free installation of your HDD/SSD:
- Open the Enclosure: Push the top cover backward and then lift it up to open the top cover of the enclosure.
- Insert the Drive: Carefully insert your 2.5-inch SSD or 3.5-inch HDD into the enclosure's SATA connector. Ensure it is seated firmly.
- Apply EVA Pad (Optional): For a more secure fit and shock protection, stick the appropriate EVA pad. Use the 84.6x82x25.5mm EVA padding for 2.5" SSDs or the 35x35x8mm EVA pad for thin 3.5" HDDs (height less than 20mm).
- Close the Enclosure: Slide the top cover back into place until it clicks securely.
- Connect to Host Device: Use the included USB A/C to C cable to connect the enclosure to a USB port on your computer or host device.
- Provide Power: For 3.5-inch HDDs, external power is required. Connect the included USB2.0 C to C cable to the enclosure's DC 12V port and the 20W GaN Fast Charger, then plug the charger into a power outlet. For 2.5-inch SSDs/HDDs, external power may not be necessary but is recommended for stable operation.

Image: Step-by-step visual guide for tool-free installation of a drive into the BENFEI enclosure, including opening, inserting, applying EVA pads, and connecting cables.

Image: Illustration demonstrating the connection of the 12V power adapter to the BENFEI enclosure and a laptop for stable operation.
Operating Instructions
Driver-Free, Plug and Play
The BENFEI enclosure is designed for immediate use without requiring any driver installation. Simply connect it to your device, and it will be recognized automatically.
- Supported Systems: Windows, Linux, macOS, Chrome OS.
- Compatible Devices: PC, Laptops, PS3/PS4, Xbox One/360, Smart TVs, Routers, and other devices with USB ports.

Image: Visual representation of the BENFEI enclosure's broad compatibility with operating systems (Windows, Linux, macOS, Chrome OS) and devices (PS3/PS4, Xbox, TV, Router).
Data Transfer
Once connected, your installed HDD/SSD will appear as an external storage device on your computer. You can then drag and drop files, perform backups, or manage data as you would with any other external drive.

Image: Graphic illustrating the ultra-fast data transmission capabilities of the BENFEI enclosure, showing 6Gbps speed for SSDs and comparison with other brands and USB 2.0.
Smart Auto Sleep Function
The enclosure features a smart auto-sleep function. If the drive is inactive for a certain period, it will automatically enter sleep mode to conserve power and extend the lifespan of your HDD/SSD. The drive will wake up automatically upon activity.
On/Off Switch
A physical ON/OFF switch is located on the enclosure for convenient power control. Use this switch to safely power on or off the device when not in use or during drive changes.

Image: Detailed view of the BENFEI enclosure highlighting features such as Smart Auto Sleep, shock-proof EVA pad, On/Off switch, 2-in-1 USB A/C cable, and detachable cables.
Maintenance
- Cleaning: Keep the enclosure clean and free from dust. Use a soft, dry cloth to wipe the exterior. Avoid liquid cleaners.
- Environment: Avoid exposing the device to extreme temperatures, direct sunlight, or high humidity.
- Ventilation: Ensure proper airflow around the enclosure, especially during extended periods of operation, to prevent overheating.
- Safe Removal: Always safely eject the drive from your operating system before disconnecting the enclosure to prevent data corruption.
Troubleshooting
- Drive Not Detected:
- Check all cable connections (USB data and power adapter).
- Ensure the HDD/SSD is properly seated within the enclosure's SATA connector.
- Try connecting the enclosure to a different USB port on your computer.
- For 3.5-inch HDDs, confirm the external 12V power adapter is connected and functioning.
- If it's a new drive, ensure it is initialized and formatted in your operating system's Disk Management (Windows) or Disk Utility (macOS).
- Test the HDD/SSD in another enclosure or directly in a computer (if possible) to rule out drive failure.
- Slow Transfer Speeds:
- Ensure you are connected to a USB 3.0 or higher port on your computer. USB 2.0 ports will limit speeds.
- Verify that UASP support is active on your system (usually automatic with compatible hardware and OS).
- Check the health and fragmentation status of your HDD/SSD.
- Avoid transferring many small files simultaneously, as this can reduce overall speed.
- Power Issues:
- Ensure the 12V power adapter is securely connected to both the enclosure and a working power outlet.
- Confirm the ON/OFF switch on the enclosure is in the 'ON' position.
- Try a different power outlet.
Specifications
| Manufacturer | BENFEI LIMITED |
| Model Number | 000410black |
| Interface Hardware | SATA 1.5 Gb/s, SATA 3.0 Gb/s, SATA 6.0 Gb/s, USB 3.0 Type-A, USB 3.0 Type-C |
| Material | Plastic |
| Max Storage Capacity | 20 TB |
| Compatible Devices | Western Digital, Seagate, Toshiba, Samsung, Kingston, Crucial, Hitachi, and more |
| Data Transfer Rate | 6000 Megabits per second (6 Gbps) |
| Connectivity Technology | USB |
| Platform | Universal |
| Box Contents | BENFEI 2.5/3.5 inch SATA to USB Tool Free Enclosure, USB3.0-A to C Cable, USB2.0 C to C Power Cable, 20W GaN Fast Charger, EVA pads, User Manual |
Warranty and Support
BENFEI provides an unconditional 18-month warranty for this product, ensuring long-term protection for your purchase. Should you encounter any issues or have questions, please contact BENFEI's friendly and easily accessible customer service for prompt assistance.
For further support or warranty claims, please refer to the contact information provided on the BENFEI official website or the packaging.