Amazon offers Prime members the Samsung 32GB Evo UHS-I Class 10 microSDHC Card with Adapter, model no. MB-MP32DA/AM, for $11.89 with free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise it adds $8. ) That's a buck under last week's mention and the lowest total price we've seen. (It's a current low by $5, outside of the mention below.) It features transfer speeds of up to 48MB/s.

A close price: Walmart charges $11.97 via in-store pickup.