U2F-B32 a Dual CFexpress Card Storage with USB 3.2 Gen 2



Experience the future of external storage solutions with the U2F-B32. U2F-B32 is equipped with a high-speed USB 3.2 Gen 2x1 Type-C interface. Whether you're a photographer, videographer, or just someone who needs quick and reliable access to their data, this device ensures that your data is safe, accessible, and transferred at lightning speeds.



1. Dual CFexpress Card Support: Seamlessly store and access data with support for 2 x CFexpress Card (Type B) in JBOD storage mode. This allows for 2 independent storage capacities, giving you the flexibility to manage your data the way you want.


2. Ultra-Fast Data Transfer: With speeds of up to 10 Gbps, you can transfer large files in a flash. Plus, with compatibility for both Type-C and Thunderbolt™ 3/4 (USB-C) host computers, you're guaranteed a fast and stable connection.


3. Cross-Platform Compatibility: Whether you're a Mac or Windows user, the U2F-B32 is designed to work flawlessly with both operating systems Compatible with Mac OS and Windows OS.


4. Hot-Swappable Drives: Need to switch out a drive on the fly? No problem. The U2F-B32 supports hot-swapping, allowing you to change drives without powering down.


5. LED Disk Status Indicator: Stay informed with the built-in LED indicator, which provides real-time information on disk status.


6. Quiet & Efficient Cooling: The integrated low-noise fan ensures your drives stay cool even under heavy load. And with the manual fan speed control switch, you have full control over the cooling process.


7. Robust & Sleek Design: Constructed with lightweight, durable aluminum, the U2F-B32 is both sturdy and aesthetically pleasing. It's designed to withstand the rigors of daily use while complementing any workspace.



The U2F-B32 from STARDOM has several benefits, including:


1. Cross-Platform Compatibility: The U2F-B32 supports both Mac and Windows operating systems, removing the worry about device compatibility across different platforms.


2. High Speed Data Transfer: With support for USB 3.2 Gen 1,2/2.0 and Thunderbolt 3/4, you can enjoy data transfer speeds of up to 10Gbps, making file transfers quick and efficient.


3. Support for Hot-Swappable Drives: The device allows for the easy and safe replacement or addition of CFexpress Cards without needing to power down the system, which reduces downtime and enhances productivity.


4. Ample Storage Capacity: With the ability to support two independent CFexpress Cards, the U2F-B32 offers significant storage space.


5. Robust Build: The durable aluminum casing provides excellent protection for the device and data, while also aiding in effective heat dissipation.


6. Easy Installation and Maintenance: The design of U2F-B32 includes easily installable CFexpress Cards 


7. Versatility: Given its features, the U2F-B32 is useful in a variety of applications, from data backup and server storage expansion to multimedia and gaming use. 


8. JBOD Storage Mode: With JBOD (Just a Bunch Of Disks) mode, you can manage your data more flexibly, as it allows each drive to be accessed independently.


9. Durable and portable: The device's compact size and durable aluminum structure make it easy to take with you on the go, while the silent fan helps keep it cool during use.


Compatible with Mac OS and Windows OS

The U2F-B32 showcases remarkable cross-platform compatibility, seamlessly operating with both Mac OS and Windows OS. This means users on either platform can enjoy the benefits of its features without any OS constraints. Whether you're using a MacBook Pro, iMac Pro, or a Windows-based PC or laptop, the U2F-B32 ensures smooth and efficient functionality, thus simplifying your storage management tasks across different operating systems.


Support 2 x CFexpress Card (Type B) 

The U2F-B32 facilitates the usage of two individual CFexpress Cards (Type B) for both Mac and PC, thereby eliminating concerns over cross-platform compatibility. This feature allows your computer to concentrate on operating software and tasks, instead of being burdened with managing storage device transfers.

JBOD storage mode

The U2F-B32 comes with an integrated JBOD storage mode, offering two separate storage capacities via CFexpress Cards. The data is stored independently and two distinct hard drives can be recognized by the computer system.


Compatible with Thunderbolt™ 3/4 

U2F-B32 is equipped with JBOD mode and USB 3.2 Gen 2 x1 Type-C ( 10 The U2F-B32 employs a Gbp interface and is compatible with host computers that use Type-C and Thunderbolt™ 3/4 (USB-C). It complies with all USB 3.2 Gen 1,2/2.0 specifications. Users can utilize the USB 3.2 Gen 2 Type-C to C cable of the U2F-B32 to link with the USB Type-C or Thunderbolt™ 3/4 (USB-C) interface of devices like MacBook Pro or iMac Pro, or to connect with a PC or laptop equipped with a USB Type-C interface. This allows for data transfer speeds of up to 10Gbps.

Hot-swappable drives support


A notable feature of the U2F-B32 is its support for hot-swappable drives. This capability enables users to replace or change the CFexpress Cards without the need to shut down or reboot the system, thereby maintaining continuous operation. This is particularly beneficial in maintaining productivity and minimizing downtime. Whether you need to upgrade your storage capacity or replace a drive, the hot-swapping functionality of the U2F-B32 allows you to do so efficiently and effortlessly.



LED Indicator for Disk Status Display


U2F-B32 provides the LED indicator for disk status display. When data accessing, the LED will flash light on, it allows user to understand the data access status quickly.

Durable aluminum structure design

U2F-B32 is made by the durable aluminum housing and designed with the 3cm silent fan that help for the excellent heat dissipation with the long time use.


Low noise Fan, with manual fan speed control switch


The new U2F-B32 have the manual fan adjustment that users can adjust the fan speed to high speed or low speed.  User does not need to worry about the fan sound to disturb the work environment, and the device can be still working efficiency. 


The U2F-B32 Dual CFexpress Card Storage with its high-speed USB 3.2 Gen 2x1 Type-C interface is versatile and can be applied in various scenarios. Here are some possible applications for this product:


1. Professional Photography and Videography: 

● Rapid offloading of high-resolution photos and 4K/8K videos from cameras.
● Backup storage for shoots on location.
● Quick editing of photos and videos directly from the storage without transferring to a computer.


2. Gaming:

Store large game libraries and access them at high speeds.
Backup game save files and configurations.


3. Media Consumption:

Store and play high-definition movies and music libraries.
Serve as an external library for media players and smart TVs.


4. Data Backup and Archiving:

Regular backups of critical data from personal computers or workstations.
Archiving old projects and files to free up space on primary drives.


5. Content Creation:


● Store and access large files such as graphics, animations, and raw design files.

Direct editing of content from the storage device in software like Adobe Creative Suite, Final Cut Pro, etc.


6. Mobile Workstations:


For professionals on the move, it can serve as a portable drive to carry large datasets, projects, or presentations.


7. Scientific and Research Applications:

Store large datasets for analysis.
Quick data retrieval for computational tasks.


8. Software Development:

Backup and store large codebases and software builds.
Test different software versions or environments using the storage as a sandbox.


9. Drones and Aerial Photography:


Offload footage taken from drones for immediate review or backup.


10. Virtual Reality (VR) and Augmented Reality (AR):

Store large VR and AR applications and datasets.
Quick access to VR/AR content for demonstrations or development.


11. Server and Network Storage:

Expand storage capacity for servers or network-attached storage devices.

Serve as a temporary storage solution during server maintenance or upgrades.


Given its high-speed capabilities and large storage capacity, the U2F-B32 can be a valuable tool for professionals and enthusiasts in various fields.



Performance test result for reference. The test result will vary depend on the test environment.


To achieve 20 Gbps data transfer, this product must be connected to a PC with USB 3.2 Gen 2x2 (20 Gbps) support running Windows OS.

Product View



Model No U2F-B32
Interfaces USB 3.2 Gen 2x1 Type-C ( 10 Gbp )
Compatible with all USB 3.2 Gen 1,2/USB 2.0 specifications
Compatible Drive 2 x CFexpress Type B 
CFexpress Adapter support SFF-8639 connector
Certification CE/FCC
Storage Mode JBOD - Independent Mode 
Operating System 
Windows 7 or above, OS X 10.10 or above
Cooling System 3 cm Low noise fan
Electrical and 
Requirements * Line voltage: 100-240V AC
* Frequency: 50Hz to 60Hz, single phase
* Maximum continuous power: 50W
* Operating temperature: 32° to 104° F (0° to 40° C)
* Storage temperature: -4° to 116° F (-20° to 47° C)
* Relative humidity: 5% to 95% noncondensing
Size and Weight Height : 41 mm Width : 97 mm Depth : 165.3 mm
Product Code U2F-B32 
Carton 10 pcs per carton
Package Accessories * U2F-B32  x 1
* USB 3.2 Gen 2 (Type-C to Type-C) Cable x 1
* Accessory kit
* Quick Installation Guide             


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U2F-B32 HD Compatible List

Product Name BrandHD TypeHD CategoryModel NumberCapacity Note
U2F-B32SanDisk CFEWDC SanDisk CFe B 128GB