eBay has the SanDisk Ultra 64GB microSDXC UHS-I Memory Card in $5.70 with FREE shipping.
Product Features:
- Full HD video recording performance with class 10 rating.
- 2x the speed of typical microSD cards.
- Transfer speeds up to 80MB/s.
- Water-proof temperature proof, X-ray proof, shockproof.
- 64GB Capacity.