1. Product Overview
The ADATA Classic CH94 is a portable external hard drive designed for convenient data storage and transfer. It features a compact 2.5-inch form factor and connects via USB 2.0, offering a reliable solution for backing up files, carrying important documents, or expanding your computer's storage capacity.
An image showing the black ADATA Classic CH94 portable external hard drive with its integrated USB cable.
2. Package Contents
- ADATA Classic CH94 Portable External Hard Drive
- Integrated USB 2.0 Cable
- Quick Start Guide (may vary by region)
3. Features
- High Capacity: 750GB storage for various data types.
- USB 2.0 Interface: Ensures broad compatibility with computers and devices.
- Portable Design: Compact 2.5-inch form factor for easy transport.
- Plug and Play: No driver installation typically required for most operating systems.
4. System Requirements
To use the ADATA Classic CH94, your system must meet the following requirements:
- Available USB 2.0 or USB 3.0 port (operates at USB 2.0 speeds).
- Operating System: Windows XP/Vista/7/8/10/11, macOS 10.6 or later, Linux Kernel 2.6 or later.
5. Setup
- Connect the Drive: Plug the integrated USB cable from the ADATA CH94 into an available USB port on your computer.
- Automatic Recognition: Your operating system should automatically detect and install the necessary drivers for the hard drive. This process may take a few moments.
- Accessing the Drive: Once recognized, the drive will appear as a removable storage device in 'My Computer' (Windows) or on the desktop/Finder (macOS). You can now open the drive and begin transferring files.
- Formatting (Optional): The drive comes pre-formatted for general use. If you need to reformat the drive for a specific file system (e.g., NTFS for Windows, HFS+ for macOS), use your operating system's disk management tools. Warning: Formatting will erase all data on the drive.
6. Operating
- Transferring Files: Drag and drop files or folders to and from the ADATA CH94 drive icon. You can also use copy and paste functions.
- Safe Removal: Always safely eject the hard drive before disconnecting it from your computer to prevent data corruption.
- Windows: Click the 'Safely Remove Hardware and Eject Media' icon in the system tray, then select the ADATA CH94.
- macOS: Drag the drive icon to the Trash, or click the Eject button next to the drive name in Finder.
7. Maintenance
- Physical Care: Keep the drive in a clean, dry environment. Avoid extreme temperatures, direct sunlight, and strong magnetic fields. Do not drop or subject the drive to physical shock.
- Data Backup: Regularly back up important data stored on the external hard drive to another location to prevent data loss in case of drive failure or accidental deletion.
- Cleaning: Use a soft, dry cloth to clean the exterior of the drive. Do not use liquid cleaners or solvents.
8. Troubleshooting
- Drive Not Detected:
- Ensure the USB cable is securely connected to both the drive and the computer.
- Try connecting to a different USB port on your computer.
- Test the drive on another computer to rule out a computer-specific issue.
- Check Disk Management (Windows) or Disk Utility (macOS) to see if the drive is listed but uninitialized or unformatted.
- Slow Transfer Speeds:
- Ensure you are using a direct USB port on your computer, not a USB hub.
- Close other applications that might be using system resources or performing background transfers.
- Defragment the drive (Windows only, not recommended for SSDs).
- Error Messages During Transfer:
- Ensure there is sufficient free space on the destination drive.
- Check for file system limitations (e.g., FAT32 has a 4GB file size limit).
- Run a disk check utility on the drive.
9. Specifications
| Feature | Description |
|---|---|
| Brand | ADATA |
| Model Number | ACH94-750GU-CBK |
| Capacity | 750 GB |
| Interface | USB 2.0 |
| Dimensions (LxWxH) | 5.15 x 3.44 x 0.8 inches (130.8 x 87.4 x 20.3 mm) |
| Weight | 6.1 ounces (173 grams) |
| Data Transfer Rate | Up to 60 MB/s (USB 2.0 theoretical max) |
| Operating Temperature | 5°C to 50°C (41°F to 122°F) |
| Operating Voltage | DC 5V (via USB) |
10. Warranty and Support
ADATA products are covered by a limited warranty. Please refer to the official ADATA website or the warranty card included with your product for specific warranty terms and conditions, including duration and coverage.
For technical support, driver downloads, or further assistance, please visit the official ADATA support website. You may need your product model number (ACH94-750GU-CBK) and serial number for support inquiries.
ADATA Official Website: www.adata.com