Newegg offers the ADATA 16GB microSDHC UHS-I Class 10 Secure Digital High-Capacity Card, model no. AUSDH16GUICL10-RA1, for $7.99. Coupon code "EMCAXKS62" cuts it to $5.35. With 99 cents for shipping, that's tied with the lowest total price per unit we've seen. (It's a current low by $2). It comes with a full-size SD card adapter and features read speeds of up to 50MB/s and write speeds of up to 10MB/s. Deal ends September 21.