At Newegg, for mobile customers only, search for "0BD-000B-000V6" 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 "MBL150902B" cuts it to $19.99. With free shipping, that's tied with our mention from three weeks ago as the best price we've seen. (It's a current low by $14.) It features read speeds up to 245MB/s and write speeds up to 190MB/s.