Silicon Power Elite 64GB microSDXC UHS-1 Flash Memory Card (SP064GBSTXBU1V10-SP): Computers… for $34.95 + free shipping
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Transfer speeds : Up to *50/15 MB/s reading and writing (microSDXC UHS-1)
Form factor: microSDXC (64GB)
Storage temperature: -40 Degree C to 85 Degree C
Compatible with SDXC UHS-1 enabled host devices.
Compatible with SDXC enabled host devices; not compatible with SD devices and SD readers.