Transcend 64GB MicroSDXC Class 10 UHS-1 Memory Card with Adapter 20USD ~$25.73 Delivered @ Amazon

Cheapest ever
Transcend 64GB MicroSDXC Class 10 UHS-1 Memory Card with Adapter for only $25.73 (USD $19.25) including shipping.
This memory card is reasonably priced and provide adequate performances.

Ideal upgrade for smartphones, tablets, and digital cameras.
Compatible with devices with microSD, microSDHC and microSDXC slot.
Available while stock lasts.