At Newegg, for mobile customers only, search for "SDCZ80-064G-G46" to find the SanDisk 64GB Extreme USB 3.0 Flash Drive, model no. SDCZ80-064G-G46, for $39.99. (Link provided for reference only.) Coupon code "MBL150812B" cuts it to $19.99. With free shipping, that's $9 under our mention from last week and the best price we've seen. (It's also a current low by $17.) It features read speeds up to 245MB/s and write speeds up to 190MB/s.