As one of its daily deals, Amazon offers Prime members the Transcend 128GB JetFlash 790 USB 3.0 Flash Drive, model no. TS128GJF790K, for $21.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $8.02.) That's $13 under our June mention and the lowest total price we could find now by $16.

Also available to Prime members is the Transcend 64GB JetFlash 790 USB 3.0 Flash Drive, model no. TS64GJF790K, for $12.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $8.02.) That's the lowest total price we could find by $16. Deal ends today.