As one of its daily deals, Amazon offers the SanDisk 128GB USB 3.0/Micro USB Ultra Dual Drive for Android Devices and Computers for $27.99 with free shipping. That's the lowest price we could find by $8, although we saw this for $2 less in April. It's compatible with OTG-enabled Android phones as well as computers and features a transfer rate of up to 150MB/s. Deal ends today.

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