Kioxia 128GB Metal TransMemory U366 Flash Drive

Sleek, Stylish Storage

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

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.

Specifications:

• Capacity: 128GB
• Interface: USB 3.2 Gen 1 Super Speed compatible / USB 2.0 high-speed compatible
• Max Read Speed: 200 MB/s
• Weight: Approx. 6g
• Approximate Usable Capacity: 115.2GB
• Dimension (LxWxH): 39.0 x 12.2 x 4.5mm
• Operating Temperature: 0 °C to 50 °C (no condensation)
• Storage Temperature: -20 °C to 60 °C

Compatibility:

• Compatible PC & Mac
• Models equipped with the following OS, and the Type-A USB interface as a standard feature.
• Compatible with macOS Mojave 10.14, macOS Catalina 10.15, macOS Big Sur 11, macOS Monterey 12
• Compatible with Windows 11, macOS Monterey 12, macOS Ventura 13, macOS Sonoma 14, macOS Sequoia 15
  (As of October 15, 2025)