Disco rigido portatile WD My Passport Ultra 4 TB WDBFTM0040BSL argento
MPN: WDBFTM0040BSL-WESN; UPC: 718037864112. Product Model WDBFTM0040BSL. Advanced Features of WD My Passport Ultra 4TB Portable Drive. 4TB My Passport Ultra, USB-C Ready Portable Hard Drive. Why Choose WD My Passport Ultra 4TB Silver.