The LaCie XtremKey USB 3.0 128GB External Flash Drive features transfer speeds up to 230MB/s and the ability to withstand crushing pressures, oceanic depths and extreme temperatures. The LaCie XtremKey is about as hardcore as external storage gets. The XtremKey USB 3.0 is LaCie's strongest, toughest USB key yet. Its ZAMAC metal alloy construction withstands severe shock, relentless pressure, dizzying drops and temperatures as bone chilling as -30deg.C (-22deg.F) and as scorching as 200deg.C (392deg.F). It features heat, cold, drop, shock and pressure resistance to protect your data from the outside elements, plus AES 256-bit software encryption to secure it from the inside.