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 Kioxia TransMemory U366 Small in Size, Big in Storage At 39mm long, 12.2mm wide and 4.5mm thick and up to 16GB, the U366 easily goes where you go. Easy-to-Carry Key Ring Kioxia TransMemory U366 Small in Size, Big in Storage 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.