A4C offers the refurbished SanDisk 16GB Ultra SDHC UHS-I Class 6 Secure Digital High-Capacity Card, model no. SDSDH-016G-U46, for $4.95. Coupon code "SANDISK20" cuts it to $3.96. With free shipping. That's $3 under our September mention and $13 less than the lowest total price we could find for a new card. It features read speeds of up to 30MB/s and is waterproof. Deal ends January 20.

Note: A 90-day A4C warranty applies.