8GB Kanguru FlashBlu30 - USB 3.0 Flash Drive. The Kanguru FlashBlu30 USB 3.0 flash drive with physical write protect switch combines cost-effective data storage and convenience with super speed USB 3.0 data mobility. The USB 3.0 interface makes the Kanguru FlashBlu30 one of the fastest and most durable drives on the market with data transfer read speeds of up to 145MB per second and write speeds of up to 45MB per second. The convenient physical write protect switch enables the user to quickly switch back and forth between read only and read/write modes to protect data from being accidentally overwritten or erased.