Enjoy extended storage for your smartphone with this 512GB SanDisk SDDDC4-512G-A46 flash drive. The dual USB 3.1 Gen 1 connectors enable quick transfer of documents between devices, while the all-metal housing with a cover can swivel to provide protection to the connectors. This SanDisk flash drive can be attached to a key ring for portability during your out-of-office assignments.