Kingston Technology IronKey Enterprise D250 D2-D250-B04-4FIPS, 4 GB, USB Type-A, 2.0, 29 MB/s, Cap, Black Kingston Technology IronKey Enterprise D250 D2-D250-B04-4FIPS. Capacity: 4 GB, Device interface: USB Type-A, USB version: 2.0, Read speed: 29 MB/s, Write speed: 13 MB/s. Form factor: Cap. Password protection. Weight: 0.882 oz (25 g). Product color: Black