SanDisk iXpand Go - USB flash drive - 256 GB - USB 3.0 / Lightning. Need more space on your iPhone? The iXpand Flash Drive Go is the easy way to free up memory. Keep your memories safe by simply plugging in the drive to automatically back up your photos, videos and contacts. Once files are on the iXpand Drive, you can use the high-speed USB 3.0 connector to quickly move them onto your computer. You can also password-protect your files, across multiple devices, to keep them private. 3 And the dual-purpose swivel protects connectors and features a keyring hole to take your drive on the go.