As one of its daily deals, Amazon offers Prime members the SanDisk 128GB Cruzer CZ36 USB Flash Drive, model no. SDCZ36-128G-B35, for $23.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping adds $8.) That's $4 under our May mention and the lowest total price we've seen. (It's also a current low by $7.)

Also available for Prime members the SanDisk 64GB Cruzer CZ36 USB Flash Drive, model no. SDCZ36-064G-AFFP, for $14.39 with free shipping. That's $4 under our March mention and another all-time low. Both deals end today.