Today only, Newegg offers the SanDisk 64GB Ultra UHS-I Class 10 microSDXC Memory Card for $11.99. Coupon code "EMCTUTW22" cuts it to $9.99. With free shipping, that's $2 under our mention from Black Friday week and the best deal we've seen. (It's also a low now by $2.) It features transfer speeds of up to 100MB/s.
If you work in any of these professions, look out: Your livelihood may be in danger.