1. Introduction
The Bluestork EHD-25-SATA-U3-CR is an external enclosure designed for 2.5-inch SATA hard drives or solid-state drives. It features an integrated keypad for AES256 hardware encryption, providing secure data storage and protection. This enclosure connects to your computer via USB 3.0, offering fast data transfer speeds. Its robust design includes a silicone protective cover for enhanced durability against impacts.
2. Setup and Installation
Follow these steps to install your 2.5-inch SATA drive into the enclosure and set up the encryption.
2.1. Drive Installation
- Open the Enclosure: Carefully slide open the enclosure to reveal the internal SATA connector.
- Insert the Drive: Connect your 2.5-inch SATA HDD or SSD to the internal SATA connector. Ensure it is firmly seated.
- Secure the Drive: If provided, use any included foam or padding to secure the drive within the enclosure and prevent movement.
- Close the Enclosure: Slide the enclosure cover back into place until it clicks securely.
- Apply Silicone Cover: Place the protective silicone cover around the enclosure for added shock absorption.
2.2. Initial Connection and PIN Setup
Important: Installing a drive into this enclosure and setting up encryption will format the drive, erasing all existing data. Back up any important data before proceeding.
- Connect to Computer: Use the provided USB 3.0 cable to connect the enclosure to an available USB port on your computer.
- Power On: The enclosure will power on, and indicator lights on the keypad will illuminate.
- Set Initial PIN: Refer to the small instruction leaflet included with your product for the specific steps to set your initial PIN. Typically, this involves pressing a combination of keys (e.g., 'LOCK' + '1' + '2' + '3' + '4' + '5' + '6' + '7' + '8' + '9' + '0' + 'LOCK') to enter setup mode, then entering your desired PIN (4-12 digits) followed by the 'LOCK' key.
- Confirm PIN: You will usually be prompted to re-enter your PIN to confirm.
- Format Drive: Once the PIN is set, the enclosure will prepare the drive for encryption. Your operating system may prompt you to format the drive. Follow the on-screen instructions to format it (e.g., NTFS for Windows, HFS+ for macOS, Ext4 for Linux).

3. Operating Instructions
This section details how to use your encrypted external hard drive enclosure.
3.1. Connecting and Unlocking
- Connect the Enclosure: Plug the USB 3.0 cable into the enclosure and then into your computer's USB port.
- Enter PIN: The indicator lights will show that the device is locked. Enter your 4-12 digit PIN using the keypad.
- Unlock: After entering the PIN, press the 'LOCK' key (often represented by an arrow or similar symbol). If the PIN is correct, the indicator lights will change, and the drive will become accessible to your operating system.
3.2. Data Transfer
Once unlocked, the drive functions like any standard external hard drive. You can drag and drop files, copy, paste, and manage data as usual. The encryption process is transparent to the user during operation.
3.3. Disconnecting Safely
Always safely eject the drive from your operating system before physically disconnecting the USB cable. This prevents data corruption. After ejection, the enclosure will automatically re-lock, securing your data.
3.4. Changing PIN
To change your PIN, you typically need to unlock the device first, then enter a specific key combination (refer to your product's quick start guide) to enter PIN change mode. Follow the prompts to enter your old PIN, then your new PIN twice.
4. Maintenance
Proper care ensures the longevity and performance of your Bluestork EHD-25-SATA-U3-CR enclosure.
- Cleaning: Use a soft, dry cloth to clean the exterior of the enclosure. Avoid liquid cleaners or abrasive materials.
- Handling: While the silicone cover provides protection, avoid dropping the device or subjecting it to excessive force.
- Storage: Store the enclosure in a cool, dry place away from direct sunlight and extreme temperatures.
- Cable Care: Handle the USB cable by the connector, not the cable itself, to prevent damage.
5. Troubleshooting
If you encounter issues with your Bluestork EHD-25-SATA-U3-CR, refer to the following common problems and solutions.
- Device Not Recognized:
- Ensure the USB cable is securely connected to both the enclosure and the computer.
- Try a different USB port on your computer.
- Ensure the device is unlocked by entering the correct PIN.
- Test with a different USB cable if available.
- Forgotten PIN:
- If you forget your PIN, the only way to regain access to the drive is to reset the enclosure, which will reformat the drive and erase all data. Refer to your product's quick start guide for the specific reset procedure.
- Drive Disconnects During Large File Transfers:
- This can sometimes be caused by USB power management settings. In Windows, go to Device Manager > Universal Serial Bus controllers > USB Root Hub (or similar) > Properties > Power Management, and uncheck "Allow the computer to turn off this device to save power." Repeat for all relevant USB Root Hubs.
- Ensure your computer's power supply is adequate, especially for desktop PCs.
- Slow Data Transfer:
- Ensure you are connected to a USB 3.0 port on your computer for optimal speed. USB 2.0 ports will operate at slower speeds.
- The encryption process adds a slight overhead, but it should not significantly impact USB 3.0 speeds.
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | EHD-25-SATA-U3-CR |
| Compatible Drive Type | 2.5-inch SATA HDD/SSD |
| Interface | USB 3.0 (backward compatible with USB 2.0) |
| Data Transfer Rate | Up to 5 Gigabits per second (USB 3.0) |
| Encryption | AES256 Hardware Encryption |
| PIN Length | 4-12 digits |
| Dimensions (L x W x H) | 8.5 x 1.6 x 13 cm |
| Weight | 168 g |
| Material | Metal enclosure with silicone protective cover |
| Compatible Operating Systems | Windows, macOS, Linux, Android (with OTG support) |
7. Warranty and Support
The Bluestork EHD-25-SATA-U3-CR enclosure typically comes with a 2-year manufacturer's warranty. For specific warranty terms, conditions, and support, please refer to the documentation included with your purchase or visit the official Bluestork website.
For technical assistance or further inquiries, please contact Bluestork customer support through their official channels.





