USB 3.2 Gen 2 Dual M.2 NVMe SSD Storage


The new US2-B32 external box, built-in high-speed USB 3.2 Gen 2x2 Type-C ( 20 Gbp ) transmission interface, and provides USB 3.2 Gen 2 Type-C to C cable, suitable for Mac and PC operating platform.



1. Support for 2 x M.2 NVMe SSD JBOD Storage. 

2. A JBOD storage mode that can provide 2 independent storage capacities.

3. Speeds up to 20 Gbps, and compatibility with host computers with Type-C and Thunderbolt™ 3/4 (USB-C) 

4. Compatible with Mac OS and Windows OS.

5. Hot-swappable drives support.

6. A removable M.2 NVMe SSD tray with a key lock.

7. An LED indicator for disk status display.

8. A low noise fan with a manual fan speed control switch.

9. Constructed with lightweight, durable aluminum. 



The US2-B32 supports transfer speeds of up to 20 Gbps and is compatible with host computers that have Type-C and Thunderbolt™ 3/4 (USB-C) ports. It is compact, portable, and supports M.2 NVMe SSDs with an SFF-8639 port. The device also provides a USB 3.2 Gen 2x2 Type-C (20 Gbp) interface for fast data transfer.


The US2-B32 from STARDOM has several benefits, including:

1. Cross-Platform Compatibility: The US2-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 20Gbps, making file transfers quick and efficient.


3. Support for Hot-Swappable Drives: The device allows for the easy and safe replacement or addition of M.2 NVMe SSDs without needing to power down the system, which reduces downtime and enhances productivity.


4. Ample Storage Capacity: With the ability to support two independent M.2 NVMe SSDs, the US2-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 US2-B32 includes easily installable SSD trays and a key lock feature for added security against unauthorized access.


7. Versatility: Given its features, the US2-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.


Support 2 x M.2 NVMe SSD 


The US2-B32 facilitates the usage of two individual M.2 NVMe SSDs 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.


Compatible with MAC OS and windows OS


The US2-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 US2-B32 ensures smooth and efficient functionality, thus simplifying your storage management tasks across different operating systems.

JBOD storage mode
The US2-B32 comes with an integrated JBOD storage mode, offering two separate storage capacities via M.2 NVMe SSDs. The data is stored independently and two distinct hard drives can be recognized by the computer system.

Compatible with Thunderbolt™ 3/4


US2-B32 is equipped with JBOD mode and USB 3.2 Gen 2x2 Type-C (20Gbps). The US2-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 US2-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 20Gbps.


Hot-swappable drives support


A notable feature of the US2-B32 is its support for hot-swappable drives. This capability enables users to replace or change the M.2 NVMe SSDs 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 US2-B32 allows you to do so efficiently and effortlessly.


Removable M.2 NVMe SSD tray with key lock

The US2-B32 comes fitted with two M.2 NVMe SSD trays that are not only easy to install but are also compatible with any type of M.2 NVMe SSD. It boasts a sturdy aluminum casing that not only safeguards your data but also provides superior heat dissipation.


Transferring data across various storage devices is straightforward with the US2-B32. Moreover, its unique key lock design offers additional security against unauthorized tray removal, thus offering enhanced protection for your data.


• It supports the SFF-8639 connector.


• Accommodates 2 x M.2 NVMe SSDs


LED Indicator for Disk Status Display

US2-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.

Low noise Fan, with manual fan speed control switch

The new US2-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. 

Durable aluminum structure design

US2-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.


1. Data Backups: The US2-B32 can be utilized as a backup device for important files. Its high-speed data transfer and large storage capacity make it ideal for storing large amounts of data, making it a perfect safeguard for valuable information.


2. Video Editing: With its high data transfer speeds and ample storage space, the US2-B32 is perfect for video editors. You can store and access large video files quickly and efficiently, streamlining your editing process.


3. Server Storage Expansion: In a server environment, the US2-B32 can provide additional storage space. Its hot-swappable feature is highly beneficial in such a setup, allowing hard drives to be replaced or added without interrupting server operations.


4. Gaming: For gamers, the US2-B32 can store large game files and provide quick loading times, enhancing the gaming experience. 


5. Photography and Graphic Design: Professionals in these fields often work with high-resolution images which require significant storage space. The US2-B32 is an excellent tool to store, access, and transfer these large files quickly.


6. Research and Development: For data-intensive sectors like R&D, the US2-B32's high storage capacity can hold massive datasets, aiding in data analysis and computation tasks.


7. Home Entertainment Systems: The US2-B32 can store large amounts of multimedia content such as movies, music, and photos. Its high-speed data access can enhance your home entertainment experience by providing quick and seamless access to your media library.




Single drive performance test result under USB3.2 Gen2 10Gbps host 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 US2-B32
Interfaces USB 3.2 Gen 2x2 Type-C ( 20 Gbp )
Compatible with all USB 3.2 Gen 1,2/USB 2.0 specifications
Compatible Drive 2 x M.2 NVMe SSDs 
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
Carton 10 pcs per carton
Package Accessories * US2-B32  x 1
* USB 3.2 Gen 2 (Type-C to Type-C) Cable x 1
* Accessory kit
* Quick Installation Guide             


Related Products


●Support UBOX Mini and UBOX M.2 NVMe Converter.







>>>>  More Internal RAID Module

US2-B32 Download


US2-B32 Question & Answer


US2-B32 HD Compatible List

Product Name BrandHD TypeHD CategoryModel NumberCapacity Note
US2-B32ExascendU.2 SSDPE3EXPE3U960GB960GB
US2-B32ExascendU.2 SSDPE3EXPE3U1920GB1920GB
US2-B32ExascendU.2 SSDPE4EXP4M6F960GX2U2CEE960GB
US2-B32KingstonU.2 SSD SEDC1500M_1920GB1920GB
US2-B32ADATAM.2 2280XPG SX6000 512GB
US2-B32ANACOMDAM.2 2280I Series -I1 240GB
US2-B32ApacerM.2 2280Z280 240GB
US2-B32CorsairM.2 2280Force MP300 240GB
US2-B32CrucialM.2 2280P1 1000GB
US2-B32EpostarM.2 2280 B17A-C-1L4P4C4B-1TB-C2651TB
US2-B32GALAXM.2 2280  240GB
US2-B32HPM.2 2280EX920 1TB
US2-B32HPM.2 2280EX920 1TB
US2-B32IntelM.2 2280760P seriesSSDPEKKW256G8256GB
US2-B32IntelM.2 2280600P seriesSSDPEKKW256G7X1256GB
US2-B32KingstonM.2 2280KC1000SKC1000H/240G240GB
US2-B32MyDigitalSSDM.2 2280BPXMDNVME80-BPX-0256240GB
US2-B32PatriotM.2 2280VIPERVPN100256GB
US2-B32PatriotM.2 2280VIPERVPN1001TB
US2-B32PatriotM.2 2280HellfirePH240GPM280SSDR240GB
US2-B32PLEXTORM.2 2280M8PeGPX-256M8PeG256GB
US2-B32SamsungM.2 2280970 EVO PLUS 500GB
US2-B32SamsungM.2 2280SM961MZVPW256HEGL256GB
US2-B32SamsungM.2 2280960 PROMZ-V6P512BW512GB
US2-B32SamsungM.2 2280960 EVOMZ-V6E500BW500GB
US2-B32SamsungM.2 2280970 PROMZ-V7P512BW512GB
US2-B32SanDiskM.2 2280EXTREME PRO 500GB
US2-B32SanDiskM.2 2280EXTREME PRO 1TB
US2-B32SKM.2 2280HynixPC401512GB
US2-B32TEAMM.2 2280T-FORCETM8FP2240G0C110240GB
US2-B32ToshibaM.2 2280THNRC10Z240GB
US2-B32ToshibaM.2 2280XG5-PKXG50P NV2T042TB
US2-B32ToshibaM.2 2280OCZRD400256GB
US2-B32ToshibaM.2 2280XG3TSB256PeM2280XG3256GB
US2-B32WDM.2 2280Blue SN500WDS500G1B0C500GB
US2-B32WDM.2 2280BlackWDS256G1X0C256GB
US2-B32WDM.2 2280BlackWDS250G2X0C250GB ( uses cookies to improve site functionality and your overall experience by storing necessary information for service delivery. By continuing, you consent to our use of cookies as detailed in our Privacy Policy, which provides more information about this usage. (Accept cookies to continue browsing the website)