TransMemory U365 USB Flash Drive

Simple, Sleek Performance

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  • Capacity

    32GB 64GB 128GB 256GB

  • 150 MB/s

  • Usage

    File Transfer on PC and Mac

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.

A Simple, Sophisticated Design

Simple shapes without ornate decorations have lasting appeal. The classic matt black body gives subdued and sophisticated feel to this USB flash drive. Its capless, sliding retractable design provides convenience.

High Capacity

With capacities up to 256GB, the TransMemory U365 drives are tiny USB 3.2 Gen 1 flash drives with space to save and organize hundreds of high-resolution music files and hours of video files across various devices.

Fast File Transfer

Utilizing USB 3.2 Gen 1 technology (backwards compatible with USB 2.0) to deliver up to 150 MB/s*1 of read transfer speed, you’ll get work done quick.

TransMemory U365 USB Flash Drive Product Specifications

Capacity / dimensions

  • Capacity

    32GB, 64GB, 128GB, 256GB

  • Approximate Usable Capacity*2

    28.8GB, 57.6GB, 115.2GB, 230.4GB

  • Interface

    USB 3.2 Gen 1 SuperSpeed compatible / USB 2.0 high-speed compatible*3

  • Dimension (LxWxH)

    55.0 x 21.4 x 8.5 mm (excluding slide tab)

  • Weight

    Approx. 9 g

  • Power Supply

    USB bus-power


  • Max Read Speed*1

    150 MB/s

Operating environment / protection performance

  • Operating Temperature

    0 ℃ to 50 ℃ (no condensation)

  • Storage Temperature

    -20 ℃ to 60 ℃

  • Certification

    RoHS compliant*4


  • Compatible PC & Mac

    Models equipped with the following OS, and the Type-A USB interface as a standard feature.
    Compatible with macOS Big Sur 11, macOS Monterey 12, macOS Ventura 13, macOS Sonoma 14
    Windows 10 and Windows 11
    (As of April 1, 2024)


  • Services and Support

    5-year limited warranty

Product Info

  • 32GB

    PN: LU365K032GG4

  • 64GB

    PN: LU365K064GG4

  • 128GB

    PN: LU365K128GG4

  • 256GB

    PN: LU365K256GG4

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KIOXIA USB Flash Drive Comparison

* Table can be scrolled horizontally.








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)
100 MB/s (16GB, 32GB, 64GB)

150 MB/s





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. 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.
  2. 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).
  3. 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.
  4. 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.


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