The SanDisk Extreme 3.0, the Kingston DataTraveler microDuo 3.0 and the ADATA DashDrive Elite UE700 are three cheap USB flash drive options. As of January 2016, all three are available on Amazon.com and cost $36, $24 and $23, respectively.
Offering 64 gigabytes of storage space, the SanDisk Extreme 3.0 is an USB with Windows XP and up and Mac OS X 10.5 and newer. The device comes with the SecureAccess application by SanDisk to offer password protection and 128-bit AES data encryption. Despite the compatibility of the device, the encryption application is Windows-only. The device can write 110 and read 105 megabytes per second when connected to a USB 3.0 port. If using USB 2.0, it writes 29.5 and reads 31.7 megabytes per second.
Able to hold up to hold up to 64 gigabytes, the DataTraveler microDuo 3.0 is a small alternative that measures only 1.08 by 0.65 by 0.34 inches. Pre-formatted to FAT32 partition type, the device is compatible with Windows, Mac and Linux desktop operating systems and Android versions 4.0 and up. Android devices must support the USB On the Go technology to use the device. The DataTraveler can write 38 megabytes and read 12 megabytes per second when connected via USB 3.0.
With a metal body, the DashDrive Elite UE700 provides storage for up to 16 gigabytes of data. Compatible with Windows, Mac and Linus systems, the device reads 107 and writes 39 megabytes per second if the user connects it to a USB 3.0 port. The Elite UE700 features a sliding design that hides the USB connection when not in use.