1. Introduction
The ORICO 5 Bay USB 3.1 Hard Drive Enclosure (Model 9758C3) is designed for efficient and centralized data storage and management. This Direct Attached Storage (DAS) enclosure supports up to five 2.5-inch or 3.5-inch SATA hard drives, offering a total capacity of up to 110TB. It features a USB 3.1 Gen 1 interface for high-speed data transfer and a robust power supply for stable operation. This manual provides detailed instructions for setting up, operating, and maintaining your ORICO hard drive enclosure.

Image: The ORICO 5 Bay USB 3.1 Hard Drive Enclosure with its top lid open, revealing the five individual drive bays. The enclosure is black with a ribbed design and a silver base.
2. Package Contents
Please verify that all items are present in the package before proceeding with installation.

Image: A visual representation of the package contents, including the 5-bay DAS unit, packing box, user manual, power adapter, screw set, and a 2-in-1 USB/Type-C data cable.
- 1 x ORICO 5 Bay DAS Enclosure
- 1 x Power Adapter (12V/10A)
- 1 x 2-in-1 USB/Type-C Data Cable
- 1 x Screw Set (for securing drives)
- 1 x User Manual
3. Product Features
- Simple and Stylish Design: Features a "push-to-open" mechanism for easy access to drive bays. The compact exterior is designed for desktop integration.
- Massive Storage Expansion: Supports 2.5-inch and 3.5-inch SATA hard drives, with each bay accommodating up to 22TB, for a total capacity of up to 110TB.
- Personal Database Creation: Plug-and-play functionality with a 2-in-1 USB/Type-C data cable, compatible with various mainstream operating systems, allowing for centralized data storage and management.
- High-Speed Data Transfer: Achieves transfer speeds of up to 5 Gbps, with real read/write speeds of approximately 260 MB/s, facilitating quick file transfers.
- Stable and Durable Operation: Equipped with a 12V/10A power supply for stable performance with multiple drives. An 80mm silent fan optimizes cooling, enhancing drive safety and longevity.

Image: The ORICO enclosure demonstrating its push-to-open top cover. Below it, individual drive trays are shown holding a 3.5" HDD, 2.5" HDD, and 2.5" SSD, illustrating compatibility.

Image: A graphic illustrating the massive expansion capability of the enclosure, showing '110TB' prominently and examples of data storage like millions of photos, hundreds of thousands of songs, and thousands of movies.

Image: A diagram showing the ORICO enclosure as a central data hub, connecting to various devices (PC, laptops, tablets, smartphones, consoles) and compatible with multiple operating systems (Windows, Chrome OS, Android, Mac OS).

Image: A graphic displaying measured read and write speeds of over 260 MB/s for the ORICO enclosure, indicating high-speed data transmission.

Image: An illustration highlighting the 120W power supply and the 80mm silent fan within the ORICO enclosure, demonstrating its cooling efficiency and stable power delivery.
4. Setup and Installation
Follow these steps to install hard drives into your ORICO enclosure and connect it to your computer.
4.1. Hard Drive Installation
- Open the Enclosure: Gently press the top cover of the enclosure to activate the "push-to-open" mechanism and lift the lid.
- Prepare Drive Tray: Remove an empty drive tray from one of the bays.
- Install Hard Drive: Place your 2.5-inch or 3.5-inch SATA hard drive into the drive tray. Secure it using the provided screws and screwdriver.
- Insert Drive Tray: Slide the loaded drive tray back into an empty bay until it clicks into place.
- Close the Enclosure: Close the top cover of the enclosure.

Image: A five-step visual guide demonstrating how to open the enclosure, prepare a drive tray, install a hard drive onto the tray, insert the tray into a bay, and close the enclosure.
4.2. Connecting to Computer
- Connect Power: Connect the 12V/10A power adapter to the DC 12V port on the back of the enclosure and plug it into a power outlet.
- Connect Data Cable: Use the provided 2-in-1 USB/Type-C data cable to connect the enclosure's USB 3.1 Gen 1 Type-C port to an available USB port on your computer.
- Power On: Press the power button on the back of the enclosure to turn it on.
4.3. Video Guide: Opening Box and Install
Video: A short instructional video demonstrating the unboxing and installation process of hard drives into the ORICO 5 Bay USB 3.1 Hard Drive Enclosure.
5. Operating Instructions
5.1. LED Indicators
The front panel of the enclosure features LED indicators for each drive bay and the power status:

Image: A detailed view of the ORICO enclosure's front and back panels. The front shows five blue LED indicators for disk activity. The back panel displays the power button, USB 3.1 Gen 1 Type-C port, and DC 12V power input.
- Blue (Solid): Drive is in standby mode.
- Blue (Flashing): Data is being read from or written to the drive.
- Red (Flashing): Indicates a drive abnormality or failure.
5.2. Intelligent Disk Sleep
The enclosure supports intelligent disk sleep, allowing hard drives to hibernate alongside your computer's operating system to conserve power and extend drive lifespan.

Image: A graphic depicting the ORICO enclosure on a desk next to a computer monitor, with a crescent moon and star icon overlayed, symbolizing the intelligent disk sleep function.
6. Compatibility
6.1. Supported Hard Drive Types
The ORICO 9758C3 enclosure is compatible with:
- 3.5-inch SATA HDDs (Hard Disk Drives)
- 2.5-inch SATA HDDs and SSDs (Solid State Drives)
6.2. Compatible Systems and Devices
The enclosure is designed for broad compatibility:

Image: A chart detailing the compatible operating systems (Windows, Chrome OS, Android, Mac OS) and devices (laptops, phones, tablet PCs via Type-C; PCs, projectors, routers via USB-A) for the ORICO enclosure.
- Operating Systems: Windows, Chrome OS, Android, Mac OS
- Devices (USB-C): Laptops, Tablets, Smartphones
- Devices (USB-A): Desktops, PCs, Projectors, Routers
7. Maintenance
To ensure optimal performance and longevity of your ORICO enclosure and the installed hard drives, consider the following maintenance tips:
- Keep Clean: Regularly clean the exterior of the enclosure with a soft, dry cloth. Ensure ventilation openings are free from dust and obstructions.
- Proper Shutdown: Always safely eject or unmount the drives from your operating system before powering off the enclosure or disconnecting the USB cable.
- Avoid Extreme Conditions: Do not expose the enclosure to extreme temperatures, humidity, or direct sunlight.
- Firmware Updates: Check the official ORICO website periodically for any available firmware updates for your model to ensure compatibility and performance improvements.
8. Troubleshooting
If you encounter issues with your ORICO 5 Bay Hard Drive Enclosure, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Drives not recognized by computer | Loose cable connection, insufficient power, uninitialized drives, incompatible drive type. | Ensure all cables (power and USB) are securely connected. Verify the power adapter is functioning. For new drives, initialize and format them in Disk Management (Windows) or Disk Utility (Mac). Confirm drives are SATA (not SAS). |
| Slow data transfer speeds | USB port issues, cable quality, multiple drives active, drive health. | Connect to a USB 3.0/3.1 port on your computer. Use the provided high-quality USB cable. Transfer speeds may be affected when multiple drives are actively reading/writing simultaneously. Check drive health using diagnostic tools. |
| Enclosure disconnects randomly | Power supply issue, loose connection, driver issues, computer power settings. | Ensure stable power supply. Check USB cable and port. Update USB drivers on your computer. Adjust power management settings to prevent USB devices from powering down. |
| Red LED indicator flashing | Drive error or failure. | Identify the problematic drive by its bay number. Power off the enclosure, remove the drive, and test it in another system or enclosure if possible. Replace faulty drives. |
| Enclosure fan is noisy | Dust accumulation, fan malfunction. | Ensure the enclosure is in a well-ventilated area. Clean any visible dust from the fan area. If noise persists, contact ORICO support. |
9. Specifications
Key technical specifications for the ORICO 5 Bay USB 3.1 Hard Drive Enclosure:
- Model: 9758C3
- Brand: ORICO
- Hardware Interface: USB 3.2 Gen 1 (USB 3.1 Gen 1)
- Product Dimensions (L x W x H): 3.7" x 5.77" x 8"
- Item Weight: 1.6 Pounds
- Supported Drive Form Factor: 2.5-inch and 3.5-inch SATA HDDs/SSDs
- Maximum Single Drive Capacity: 22TB
- Total Maximum Capacity: 110TB (5 x 22TB)
- Data Transfer Rate: Up to 260 Megabytes Per Second (real read/write)
- Power Supply: 12V/10A (120W)
- Cooling: Integrated 80mm silent fan
- Compatible Devices: Desktop, Laptop, Tablet, Smartphone, Gaming Console, Television
- Compatible Operating Systems: Windows, Chrome OS, Android, Mac OS
10. Warranty and Support
ORICO products typically come with a manufacturer's warranty. Please refer to the warranty card included in your package or visit the official ORICO website for specific warranty terms and conditions.
For technical support, troubleshooting assistance, or product inquiries, please contact ORICO customer service through their official website or the contact information provided in your product documentation.