1. Introduction
The Sitecom USB 2.0 to IDE/SATA Combo Adapter CN-330 is a versatile tool designed to connect various types of hard drives (IDE and SATA) to your computer via a standard USB 2.0 port. This adapter provides a convenient solution for data recovery, data transfer, and accessing old hard drives without needing to install them internally. It supports direct data exchange between two drives, enhancing its utility for various tasks.

This image displays the Sitecom USB 2.0 to IDE/SATA Combo Adapter, highlighting its compact design and the various ports available for connecting IDE and SATA hard drives, as well as the USB and power inputs.
2. Package Contents
Please verify that all items listed below are included in your package:
- Sitecom USB 2.0 to IDE/SATA Combo Adapter (CN-330)
- USB 2.0 Cable
- Power Adapter (AC/DC)

The adapter is shown alongside its retail box, which clearly indicates it is a USB 2.0 combo IDE/SATA adapter. A USB cable, likely included in the package, is also visible.
3. Key Features
- Combo Adapter for IDE and SATA hard drives
- Direct access to additional storage capacity
- Enables direct data exchange between two drives
- USB 2.0 interface for universal compatibility
4. Setup Instructions
Follow these steps to connect your hard drive to your computer using the Sitecom CN-330 adapter.
4.1. Connecting an IDE Hard Drive
- Ensure the IDE hard drive is set to Master or Slave (if connecting two IDE drives) using its jumpers. For a single drive, Master is usually recommended.
- Connect the 40-pin IDE connector from the adapter to the IDE port on your hard drive. Ensure correct orientation.
- Connect the 4-pin power connector from the adapter's power cable to the hard drive's power input.
4.2. Connecting a SATA Hard Drive
- Connect the SATA data connector from the adapter to the SATA data port on your hard drive.
- Connect the SATA power connector from the adapter's power cable to the hard drive's power input.
4.3. Power and USB Connection
- Connect the included power adapter to the DC input port on the Sitecom adapter.
- Plug the power adapter into a wall outlet.
- Connect the USB 2.0 cable from the adapter to an available USB port on your computer.
- The operating system should automatically detect the new hardware. Drivers are typically not required for modern operating systems.
5. Operation
Once connected and detected by your computer, the hard drive will appear as an external storage device. You can access its contents, transfer files, or format it as needed.
- Accessing Data: Open 'My Computer' or 'This PC' (Windows) or 'Finder' (macOS) and locate the newly mounted drive.
- Safe Removal: Always safely eject the drive from your operating system before disconnecting the adapter or power to prevent data corruption.
6. Maintenance and Care
- Keep the adapter and cables clean and free from dust. Use a soft, dry cloth for cleaning.
- Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.
- Do not attempt to disassemble or repair the adapter yourself, as this will void any warranty.
- Store the adapter in a safe place when not in use to prevent physical damage.
7. Troubleshooting
- Drive Not Detected:
- Ensure all cables (USB, power, data) are securely connected.
- Verify the hard drive is receiving power (listen for spinning, check indicator lights).
- Try a different USB port on your computer.
- For IDE drives, check the jumper settings (Master/Slave).
- Check Disk Management (Windows) or Disk Utility (macOS) to see if the drive is recognized but unformatted or unallocated.
- Slow Transfer Speeds:
- Ensure you are using a USB 2.0 port. While compatible with USB 1.1, speeds will be significantly lower.
- The speed is also limited by the hard drive's own performance.
- Power Issues:
- Ensure the power adapter is correctly connected to both the adapter and a working wall outlet.
- Some 3.5-inch hard drives require external power to function correctly.
8. Technical Specifications
| Feature | Specification |
|---|---|
| Brand | Sitecom |
| Model Number | CN-330 |
| Connector Type | USB 2.0 |
| Specific Product Use | Serial ATA and IDE hard drives |
| Compatible Devices | Personal Computer |
| Package Dimensions | 23 x 14.6 x 8.4 cm |
| Item Weight | 589.67 g |
| Number of Ports | 2 (IDE, SATA) |
| Color | Black |
9. Warranty and Support
Sitecom products typically come with a manufacturer's warranty. Please refer to the warranty information provided with your purchase or visit the official Sitecom website for details regarding warranty periods and terms.
For technical support, driver downloads, or further assistance, please visit the official Sitecom support website or contact their customer service department. Contact information can usually be found on the product packaging or the manufacturer's website.

The adapter is presented in its transparent blister packaging, emphasizing its retail presentation. The packaging highlights its compatibility with Serial ATA and IDE hard disks and its USB 2.0 connectivity. A 'PWR Active' indicator light is visible on the device itself.





