Amazon offers Prime members the Corsair 64GB Voyager Slider USB 3.0 Flash Drive
, model no. CMFSL3B-64GB, for $19.99
with free shipping
. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $8.02.) That's $5 under our April mention and the lowest total price we've seen. (It's also a current low by $7, excluding other Amazon vendors.) Deal ends November 30.