64GB SanDisk MicroSD HC XC MicroSDXC Class 10 Memory Card 64G (64 Gigabyte) for Motorola Electrify M Razr I XT890 with SoCal Trade, Inc. MicroSD & SD USB Card Reader 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