Even as cloud storage and wireless file transfers become more common, a USB flash drive is sometimes the best option for moving files from one device to another. USB connections are more secure and faster than Bluetooth or Wi-Fi, and USB flash drives are cheaper than portable solid-state drives or hard drives. They’re also convenient and pocketable.After spending more than 80 hours testing recent USB flash drives against dozens of models we’ve tested in the past, we’ve concluded that the Amazon Basics USB Flash Drive, which balances speed with price, is the flash drive to get.