Check the listing for details. High Speed USB 3.0 128GB 3PCS Retractable Style Memory Stick U Disk Mixed Color. Color: Multicolor, Condition: New, Made in China. Listed at 49.50 USD. Features: 100% New&High Quality Storage Capacity:128GB Support USB version 3.0 and 2.0 Easy plug and play installation Interface: USB 3.0; Capacity: 128GB Due to the inner system and procedure data will occupy some space and the real capacity will reduce lightly Stylish lightweight; portable,new concept modeling,classic fashion,compact Brisk High Speed; plug and play, in line with USB 3.0 specification, data transfer speed. Compatible with Windows 7/Windows 8, Windows XP, Windows Vista, Hi-Speed USB 3.0 port required for high speed transfer Support solution for Linux kernel version 2.4 or later version Driveless for OS 9X or up Durable solid-state storage No external power is required 4.5V ~ 5.5V from USB port The data read speed: Up to 17MB/S（USB 3.0） The data write speed: Up to 60M.