fanxiang FF958
fanxiang FF958 2TB USB 3.2 Gen2x2 Dual-Port Flash Drive Instruction Manual
Model: FF958 | Brand: fanxiang
1. Introduction
The fanxiang FF958 is a high-performance 2TB flash drive designed for rapid data transfer and versatile compatibility. Featuring both USB-A and USB-C interfaces, it offers a convenient solution for expanding storage and transferring files across a wide range of devices, including smartphones, tablets, laptops, and desktop computers. Its robust zinc alloy construction ensures durability and efficient heat dissipation, maintaining stable performance during intensive use.

Figure 1: fanxiang FF958 Flash Drive in use with various devices, highlighting its speed capabilities.
2. Key Features
- Extreme Transfer Speed: Equipped with a USB 3.2 Gen 2x2 interface and advanced SSD controller chips, the FF958 achieves read speeds of up to 2050 MB/s and write speeds of up to 1800 MB/s. This allows for transferring 2GB of data in approximately one second. Optimal performance requires a device that supports USB 3.2 Gen 2x2 Type-C.
- Dual Port Design: Features both USB-C and USB-A interfaces, enabling seamless data transfer between PCs, Macs, phones, and tablets. This 2-in-1 design simplifies data management across different devices.
- Durable and Efficient Design: Constructed from a high-quality zinc alloy shell, providing 360° protection. The overall hollow design facilitates heat dissipation, ensuring stable transmission during extended use. The connectors slide up and down for protection and ease of use.
- Extensive Compatibility: Plug-and-play functionality with no additional drivers required. Compatible with laptops, desktops, tablets, Mac, car audio systems, and TVs. Supports Macs 10.4+, Windows 7+, and Android 4.0+. Tailored for ProRes, it is compatible with iPhone 15 Pro/Pro Max for external 4K 60FPS video recording.
- Smart App Management: Comes with the intelligent "Fanxiang Disk" app for easy and efficient file management, backup, and migration of documents, photos, videos, and contacts, ensuring data safety and organization.
- Portable Design: Compact size (77 mm x 28 mm x 18 mm, 67 g) for convenient portability.
3. Setup and Connection
The fanxiang FF958 flash drive is designed for plug-and-play operation, requiring no driver installation for most compatible devices. It arrives pre-formatted in ExFAT, making it ready for immediate use across various operating systems.
3.1 Connecting via USB-A
- Locate the USB-A connector on the flash drive by sliding the mechanism.
- Insert the USB-A connector into an available USB-A port on your computer, laptop, or other compatible device.
- The device should automatically recognize the flash drive. You can then access its contents through your device's file explorer or management system.

Figure 2: The FF958 Flash Drive with its dual USB-A and USB-C connectors, demonstrating connectivity with a laptop and tablet.
3.2 Connecting via USB-C
- Locate the USB-C connector on the flash drive by sliding the mechanism.
- Insert the USB-C connector into an available USB-C port on your smartphone, tablet, laptop, or other compatible device.
- The device should automatically recognize the flash drive. For optimal speeds, ensure your device supports USB 3.2 Gen 2x2 Type-C.
4. Operation
4.1 Data Transfer
Once connected, the flash drive functions like any other external storage device. You can drag and drop files, copy and paste, or use your device's native file management tools to transfer data to and from the drive. For large files or high-resolution media, utilizing a USB 3.2 Gen 2x2 Type-C port will provide the fastest transfer speeds.

Figure 3: The FF958 Flash Drive supports high-speed data transfer for demanding tasks like 4K and 8K video editing.
4.2 Smart App Management (Fanxiang Disk)
For enhanced file management, download and install the "Fanxiang Disk" application. This app provides an intuitive interface for backing up and migrating important documents, photos, videos, and contacts, ensuring data safety and organization.
4.3 ProRes Recording (iPhone 15 Pro/Pro Max)
The FF958 is specifically designed to be compatible with iPhone 15 Pro and iPhone 15 Pro Max models, allowing direct external recording of 4K 60FPS ProRes video. Connect the USB-C port of the flash drive to your iPhone to utilize this feature.

Figure 4: Direct 4K 60FPS ProRes video recording from iPhone 15 Pro/Pro Max to the FF958 Flash Drive.
5. Performance
The fanxiang FF958 leverages USB 3.2 Gen 2x2 technology to deliver exceptional data transfer speeds. To achieve the advertised maximum speeds, your host device must support the USB 3.2 Gen 2x2 Type-C standard. When connected to a standard USB 3.2 Gen 2 Type-A port, speeds will be lower but still significantly faster than older USB standards.

Figure 5: Performance comparison of the FF958 across various USB standards, highlighting the benefits of USB 3.2 Gen 2x2.
5.1 Performance Overview Video
Video 1: An overview of the fanxiang FF958 USB Flash Drive, showcasing its features and high-speed capabilities.
6. Maintenance and Care
- Physical Protection: The zinc alloy casing provides robust protection. Avoid dropping the device from significant heights or subjecting it to extreme physical impact.
- Heat Dissipation: The hollow design aids in natural heat dissipation. Ensure the device is not covered or obstructed during heavy use to maintain optimal operating temperatures.
- Cleaning: Use a soft, dry cloth to clean the exterior of the flash drive. Avoid using liquid cleaners or solvents that could damage the finish or internal components.
- Safe Removal: Although modern operating systems often support "quick removal," it is always recommended to safely eject the device through your operating system's interface before physically disconnecting it, especially during active data transfer, to prevent data corruption.
7. Troubleshooting
- Device Not Recognized:
- Ensure the flash drive is fully inserted into the USB port.
- Try a different USB port on your device.
- Test the flash drive on another computer or compatible device to rule out a device-specific issue.
- Verify that your operating system is up to date.
- Slow Transfer Speeds:
- Confirm that you are using a USB 3.2 Gen 2x2 Type-C port on your host device for maximum performance. Older USB ports (e.g., USB 2.0, USB 3.0/3.1 Gen 1) will result in lower speeds.
- Ensure there are no other intensive background processes running during data transfer.
- Check the health of your computer's USB drivers.
- Data Corruption:
- Always safely eject the flash drive before physical removal.
- Avoid disconnecting the drive during active read/write operations.
8. Specifications
| Feature | Detail |
|---|---|
| Brand | fanxiang |
| Model Series | FF958 |
| Digital Storage Capacity | 2 TB |
| Hard Drive Interface | USB 2.0/3.0 (backward compatible) |
| Connectivity Technology | USB (Type-A, Type-C) |
| Special Feature | Dual USB Connector, Solid State Drive |
| Max Read Speed | Up to 2050 MB/s (via USB 3.2 Gen 2x2 Type-C) |
| Max Write Speed | Up to 1800 MB/s (via USB 3.2 Gen 2x2 Type-C) |
| Item Weight | 2.36 ounces (approx. 67g) |
| Product Dimensions | 2.76 x 1.18 x 0.79 inches (approx. 77mm x 28mm x 18mm) |
| Compatible Devices | iPhone (15 Pro/Pro Max), Android (4.0+), Windows (7+), Mac (10.4+), Laptops, Desktops, Tablets, Car Audio Systems, TVs |
| Installation Type | External Hard Drive |

Figure 6: Detailed product introduction table with interface, protocol, speed, capacity, and endurance specifications.
9. Warranty and Support
fanxiang provides a 5-year quality guarantee or 1024TBW (Terabytes Written) for the 2TB FF958 flash drive. For any support inquiries or warranty claims, please refer to the contact information provided in your product packaging or visit the official fanxiang website.