ORICO 6638US3-C-US
ORICO 3-Bay USB 3.0 Duplicator Dock User Manual
Model: 6638US3-C-US
Brand: ORICO
1. Introduction
Thank you for choosing the ORICO 3-Bay USB 3.0 Duplicator Dock. This device is designed to provide a convenient and efficient solution for external storage and offline data cloning for 2.5-inch and 3.5-inch SATA Hard Disk Drives (HDDs) and Solid State Drives (SSDs). With its USB 3.0 interface, it offers high-speed data transfer, and its stand-alone cloning function allows for direct drive duplication without the need for a computer.
2. Package Contents
- ORICO 3-Bay USB 3.0 Duplicator Dock
- USB 3.0 Data Cable
- Power Adapter
- User Manual
3. Product Overview
Familiarize yourself with the components and features of your ORICO Duplicator Dock.

Figure 3.1: Front view of the ORICO 3-Bay USB 3.0 Duplicator Dock.

Figure 3.2: Angled view of the ORICO 3-Bay USB 3.0 Duplicator Dock, showcasing its design.

Figure 3.3: Detailed view of the control panel and rear ports of the dock.
3.1 Components
- Drive Bays: Three top-loading bays designed for 2.5-inch or 3.5-inch SATA HDDs/SSDs. These are typically labeled as Source, Target1, and Target2 for cloning operations.
- LED Indicators: Individual LEDs for each drive bay to indicate power and activity, along with progress LEDs for cloning operations.
- Power Switch: An independent switch to power the device On or Off.
- Function Buttons:
- Clone Button: Used to initiate the offline cloning process.
- PC Button: Switches the dock between PC mode (external storage) and Offline Clone mode.
- Start Button: Confirms the cloning operation after the Clone button is pressed.
- Reset Button: Resets the device to its default state.
- Ports:
- USB 3.0 Type-B Port: For connecting the dock to your computer.
- DC Power Input: For connecting the external power adapter.
4. Setup
Follow these steps to set up your ORICO Duplicator Dock for first use.
4.1 Step 1: Connect Power
Connect the provided power adapter to the DC power input port on the back of the dock. Then, plug the power adapter into a standard electrical outlet.
4.2 Step 2: Insert Hard Drives
Ensure the power switch on the dock is in the OFF position. Gently insert your 2.5-inch or 3.5-inch SATA HDDs/SSDs into the drive bays. Ensure they are firmly seated in the connectors at the bottom of each bay.

Figure 4.1: Illustration of 2.5-inch and 3.5-inch drive compatibility and insertion into the dock bays.
4.3 Step 3: Connect to Computer (for PC Mode)
If you intend to use the dock as an external storage device connected to your computer, connect one end of the USB 3.0 data cable to the USB 3.0 Type-B port on the dock and the other end to an available USB port on your computer.

Figure 4.2: Diagram showing the connections for power, USB to PC, and drive insertion.
4.4 Step 4: Power On
Flip the independent power switch on the dock to the ON position. The power indicator LED will illuminate, indicating the device is ready for operation.
5. Operating Instructions
5.1 A. PC Mode (External Storage)
In PC Mode, the ORICO Duplicator Dock functions as an external drive enclosure, allowing your computer to access the inserted drives.
- Ensure the dock is connected to your computer via the USB 3.0 cable and powered on.
- If the dock is currently in cloning mode (indicated by specific cloning progress LEDs), press the PC button to switch it to PC mode.
- Your operating system (Windows XP, Vista, 7, 8 or Mac OS X 10.2 and above) will automatically detect the drives. No additional drivers are required.
- The inserted drives will appear as removable storage devices in 'My Computer' (Windows) or 'Finder' (Mac). You can now access, read, and write data to them as you would with any other external drive.

Figure 5.1: The ORICO dock connected to a laptop, demonstrating its use as an external drive enclosure.

Figure 5.2: Diagram illustrating the enhanced read and write speeds achievable with USB 3.0 and UASP protocol.
5.2 B. Offline Clone Mode (Stand-alone Duplication)
The offline clone mode allows you to duplicate data from a source drive to one or two target drives without needing a computer connection.
Important Notes:
- The capacity of the target drive(s) must be equal to or greater than the source drive.
- All data on the target drive(s) will be erased during the cloning process. Ensure you back up any important data on target drives before proceeding.
- Ensure the dock is disconnected from your computer before starting an offline clone.
- Ensure the dock is powered OFF.
- Insert the Source drive into the bay labeled "Source".
- Insert the Target drive(s) into the bays labeled "Target1" and/or "Target2".
- Power ON the dock.
- Press and hold the Clone button for approximately 3-5 seconds until the cloning progress LEDs (25%, 50%, 75%, 100%) begin to flash.
- Briefly press the Start button to confirm the cloning operation.
- The cloning process will begin. The progress LEDs will illuminate sequentially, indicating the completion percentage (25%, 50%, 75%, 100%).
- Once all cloning progress LEDs are solid, the cloning process is complete.
- Power OFF the dock before safely removing the drives.

Figure 5.3: The dock performing an offline clone operation with drives inserted, supporting up to 8TB capacity.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the dock. Do not use liquid cleaners, aerosols, or abrasive materials.
- Handling: Handle the dock and inserted hard drives with care to prevent damage from drops or impacts.
- Ventilation: Ensure the dock is placed in a well-ventilated area to prevent overheating, especially during prolonged operation or cloning.
- Safe Removal: Always safely eject drives from your computer's operating system before powering off the dock or physically removing them in PC mode. For offline cloning, ensure the process is complete and the dock is powered off before removing drives.
7. Troubleshooting
7.1 Drives Not Recognized by Computer
- Ensure the dock is powered on and the USB cable is securely connected to both the dock and your computer.
- Try connecting the USB cable to a different USB port on your computer.
- Verify that the hard drives are properly seated in their respective bays.
- Check your computer's Disk Management (Windows) or Disk Utility (Mac) to see if the drives are detected but unformatted or unallocated. If so, you may need to initialize and format them.
- Restart your computer.
7.2 Cloning Process Does Not Start or Fails
- Ensure the source drive is in the "Source" bay and target drive(s) are in the "Target" bay(s).
- Verify that the target drive(s) capacity is equal to or greater than the source drive.
- Ensure the dock is disconnected from your computer during offline cloning.
- Try resetting the dock by pressing the Reset button or power cycling it.
- Check the health of both source and target drives. A faulty drive can cause cloning to fail.
7.3 Slow Transfer Speeds
- Ensure you are connecting the dock to a USB 3.0 port on your computer. Connecting to a USB 2.0 port will result in significantly slower speeds.
- Verify the USB 3.0 cable is not damaged.
- The performance of the hard drives themselves can affect transfer speeds. Older or slower drives will limit the overall speed.
- Close other applications that might be using significant system resources or performing disk operations.
8. Specifications
| Feature | Description |
|---|---|
| Brand | ORICO |
| Model | 6638US3-C-US |
| Color | Black |
| Form Factor | 2.5-inch, 3.5-inch |
| Compatible Drives | SATA HDD/SSD |
| Number of Bays | 3 |
| Interface | USB 3.0 (up to 5Gbps) |
| Supported OS | Windows XP / Vista / 7 / 8, Mac OS X 10.2 and above |
| Max Drive Capacity | Up to 8TB per bay |
| Material | ABS |
| Dimensions (LxWxH) | 27 x 15 x 9 cm |
| Item Weight | 1.2 kg |
| Key Features | Offline Clone, LED Indicator, Independent Power Switch, Tool-Free Installation, UASP Protocol Support |
9. Warranty and Support
9.1 Warranty Information
This ORICO product comes with a standard manufacturer's warranty. For detailed warranty terms, conditions, and duration, please refer to the warranty card included with your purchase or visit the official ORICO website.
9.2 Technical Support
For technical assistance, troubleshooting, or any product-related inquiries, please contact ORICO customer support. Contact information can typically be found on the ORICO official website or on the product packaging.
We recommend visiting the official ORICO website for the most up-to-date information, FAQs, and potential driver updates (if applicable).
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.



