Buy.com offers the Kingston 4GB DataTraveler G3 USB 2.0 Flash Drive 4-Pack, model no. DTIG3/4GBZ, for $19.95 with free shipping ($1.25/GB). That’s the lowest total price we could find by $4. (For further comparison, we saw a Kingston 4GB DataTraveler Generation 3 2-Pack for $13.59 with free shipping in February.)

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