Silicon Power Elite 8GB microSDHC Class 10 UHS-1 Flash Memory Card (SP008GBSTHBU1V10-SP) Capture high-quality images and extended lengths of stunning 1080p full-HD video with any microSDHC UHS-1 compatible DSLR, camera, HD camcorder, 3D camera Transfer speeds : Up to *40/15 MB/s reading and writing (microSDHC UHS-1) Form factor: microSDHC (8/16/32 GB) 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.