Please select your location and preferred language where available.
USB flash drive file sharing is still important in today’s cloud computing world, especially when wireless network is not available. KIOXIA USB flash drives provide a simple method for file transfers for school or work projects.
TransMemory U366
Sleek, Stylish Storage
For design oriented users, USB 3.2 Gen 1 and USB 2.0 compatible
KIOXIA TransMemory U366 USB flash drives support USB 3.2 Gen 1 interface type-A with small, stylish metallic body.

Capacity*2
16GB, 32GB, 64GB, 128GB
200 MB/s (128GB), 100 MB/s (16GB, 32GB, 64GB)
Compatibility
Compatible with macOS Monterey 12, macOS Ventura 13, macOS Sonoma 14, macOS Sequoia 15; Windows 10 and Windows 11
(As of May 28, 2025)
TransMemory U365
Sophisticated Storage
For professionals, USB 3.2 Gen 1 and USB 2.0 compatible
With a design that’s small in size, but big on storage, KIOXIA TransMemory U365 USB flash drives make it simple to store your media. These drives feature read speed of 150MB/s*1 with USB 3.2 Gen 1 in a range of capacities up to 256GB so you’ll be less worried about running out of storage space.

Capacity*2
32GB, 64GB, 128GB, 256GB
150 MB/s
Compatibility
Compatible with macOS Monterey 12, macOS Ventura 13, macOS Sonoma 14, macOS Sequoia 15; Windows 10 and Windows 11
(As of May 28, 2025)
TransMemory U301
Everyday Storage
For mainstream users, USB 3.2 Gen 1 and USB 2.0 compatible
Featuring USB 3.2 Gen 1 technology, KIOXIA TransMemory U301 USB flash drives make it simple to store your media – with a design that’s small in size, but big on storage. Now available in 6 colors and capacities up to 256GB, you can organize more of your documents and media across various devices.

Capacity*2
White : 16GB, 32GB, 64GB, 128GB, 256GB
Light Blue : 64GB, 128GB, 256GB
Black : 64GB, 128GB, 256GB
Blue : 128GB, 256GB
Pink : 128GB, 256GB
Warm Gray : 128GB, 256GB
Compatibility
Compatible with macOS Monterey 12, macOS Ventura 13, macOS Sonoma 14, macOS Sequoia 15; Windows 10 and Windows 11
(As of May 28, 2025)
TransMemory U203
Sophisticated Storage
For value users, Small and compact with retractable connector
KIOXIA TransMemory U203 USB flash drives make it simple to store media with capless, sliding retractable body.

Capacity*2
16GB, 32GB, 64GB, 128GB
Compatibility
Compatible with macOS Monterey 12, macOS Ventura 13, macOS Sonoma 14, macOS Sequoia 15; Windows 10 and Windows 11
(As of May 28, 2025)
TransMemory U202
Everyday Storage
For value users, Simple to use
KIOXIA TransMemory U202 USB flash drives make it simple to store media with standard ease-to-use body.

Capacity*2
White: 16GB, 32GB, 64GB, 128GB
Light Blue: 16GB, 32GB, 64GB, 128GB
Compatibility
Compatible with macOS Monterey 12, macOS Ventura 13, macOS Sonoma 14, macOS Sequoia 15; Windows 10 and Windows 11
(As of May 28, 2025)
KIOXIA USB Flash Drive Comparison
* Table can be scrolled horizontally.
U366 ![]() |
U365 ![]() |
U301 ![]() |
U203 ![]() |
U202 ![]() |
|
---|---|---|---|---|---|
Capacity*2 |
16, 32, 64, 128GB |
32, 64, 128, 256GB |
16, 32, 64, 128, 256GB |
16, 32, 64, 128GB |
16, 32, 64, 128GB |
Max Read Speed*1 |
200 MB/s (128GB) |
150 MB/s |
-- |
-- |
-- |
Interface |
USB 3.2 Gen 1 |
USB 3.2 Gen 1 |
USB 3.2 Gen 1 |
USB 2.0 |
USB 2.0 |
Warranty Period |
5 year |
5 year |
5 year |
5 year |
5 year |
- 1 MB/s is calculated as 1,000,000 bytes/s. The value is the best value obtained in specific test environment at KIOXIA Corporation and KIOXIA Corporation does not warrant read speed use in individual devices. Read speed may vary depending on user-specifications such as devices used and file size read. The write speed is lower than the read speed.
- Capacity is based on installed flash memory and not user available memory as part of the memory is used for management functions. Available user area are as listed above (1GB = 1,073,741,824 bytes).
- The terms 'USB 3.2 Gen 1 Super Speed' and 'USB 2.0 high-speed' used herein are the name of specifications upon which this product is based; they do not warrant the speed of its operation.
- KIOXIA Corporation defines “RoHS Compatible” products as products that either ( i ) contain no more than a maximum concentration value of 0.1% by weight in Homogeneous Materials for lead, mercury, hexavalent chromium, polybrominated biphenyls (PBBs), polybrominated diphenyl ethers (PBDEs), bis(2-ethylhexyl) phthalate (DEHP), dibutyl phthalate (DBP), benzyl butyl phthalate (BBP) and diisobutyl phthalate (DIBP) and of 0.01% by weight in Homogeneous Materials for cadmium; or ( ii ) fall within any of the application exemptions set forth in the Annex to the RoHS Directive(*). This does not mean that Kioxia Corporation products labeled “RoHS COMPATIBLE” are entirely free of substances controlled by the RoHS Directive and does not constitute a warranty or guarantee that such products will comply with the specific laws and/or regulations adopted in any particular jurisdiction.
*RoHS Directive: KIOXIA Corporation defines “RoHS Directive” as the DIRECTIVE 2011/65/EU OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 8 June 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment.
- To protect against accidental data loss, back up your data frequently on other storage media.
- Product specifications and design are subject to change without prior notice.
- 1 MB/s is calculated as 1,000,000 bytes/s. The value is the best value obtained in specific test environment at KIOXIA Corporation and KIOXIA Corporation does not warrant read speed use in individual devices. Read speed may vary depending on user-specifications such as devices used and file size read. The write speed is lower than the read speed.
- Capacity is based on installed flash memory and not user available memory as part of the memory is used for management functions. Approximate usable capacity is shown on each product page.
Subject to Change: While KIOXIA has made every effort at the time of publication to ensure the accuracy of the information provided herein, product specifications, configurations, prices, system/component/options availability are all subject to change without notice.
Support

Browse our support FAQ to quickly find answers to commonly asked questions.

Download documents, software, manuals, brochures, and product images.

Browse personal SSD/Cards & USB warranty information.

Contact customer support for help with your products.