TransMemory U366 USB Flash Drive

Product Specifications

Product Comparison

Sleek, Stylish Storage

Capacity

16GB 32GB 64GB 128GB
Max Read Speed

200 MB/s (128GB)
100 MB/s (16GB, 32GB, 64GB)
Max read speed may not be displayed on the product package.
Usage

File Transfer on PC and Mac

KIOXIA TransMemory U366 USB flash drives support USB 3.2 Gen 1 interface type-A with small, stylish metallic body.

USB Flash Drive Lineup

Stylish, Compact Design

TransMemory U366 USB flash drive’s stylish, metal housing compliments design-conscious notebook PCs and goes wherever you go, in style.

Small in Size, Big in Storage

At 39mm long, 12.2mm wide and 4.5mm thick and up to 128GB, the U366 easily goes where you go.

Easy-to-Carry Key Ring

Worry less about leaving it behind! The U366’s key ring will let you easily pair it up with your house/car keys.

Fast File Transfer

Utilizing USB 3.2 Gen 1 technology (backwards compatible with USB 2.0) 128GB delivers a read transfer speed up to 200 MB/s*¹, you’ll get work done quick.
(16GB, 32GB, 64GB deliver up to 100 MB/s*¹)

TransMemory U366 USB Flash Drive Product Specifications

Capacity / dimensions

Capacity

16GB, 32GB, 64GB, 128GB
Approximate Usable Capacity^*2

14.4GB, 28.8GB, 57.6GB, 115.2GB
Interface

USB 3.2 Gen 1 SuperSpeed compatible / USB 2.0 high-speed compatible^*3
Dimension (LxWxH)

39.0 x 12.2 x 4.5 mm
Weight

Approx. 6 g
Power Supply

USB bus-power

Performance

Max Read Speed^*1

200 MB/s (128GB)
100 MB/s (16GB, 32GB, 64GB)

Operating environment / protection performance

Operating Temperature

0 ℃ to 50 ℃ (no condensation)
Storage Temperature

-20 ℃ to 60 ℃
Certification

RoHS compliant^*4

Compatibility

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)

Others

Services and Support

5-year limited warranty

Product Info

16GB

PN: LU366S016GG4
EAN: 4582563853829
32GB

PN: LU366S032GG4
EAN: 4582563853843
64GB

PN: LU366S064GG4
EAN: 4582563853867
128GB

PN: LU366S128GG4
EAN: 4582563853881

Where to Buy

Find retailers and/or distributors near your area.

Documents & Software Download

Get the latest product briefs, user manuals, safety instructions, software, and more.

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