Amazon has the Samsung EVO microSDXC UHS-I U3 128GB Memory Card w/ Adapter on sale for $15.99 with free shipping for Amazon Prime or orders over $25.
Product Features:
- Ideal for Recording 4K UHD Video.
- Up to 100MB/S Read and 60MB/S Write Speeds.
- Water Proof, Temperature Proof, X Ray Proof and Magnetic Proof.
- 10 Year Limited.