Buy from Amazon.com : http://fave.co/1BtJkjy

64GB SanDisk MicroSD HC XC MicroSDXC Class 10 Memory Card 64G (64 Gigabyte) for Motorola Electrify

Product Description :
SanDisk 64GB MicroSD XC Memory Card with MicroSD to SD Adapter in Retail Pack
Speed performance Class 10 UHS-1
Extreme Capacity
Very Fast Reliable
1 Year limited warranty