Performance Up to 170MB/s read speed; up to 90MB/s write speed* Dimensions (H x W x L) 0.43 in x 0.59 in x 0.04 in ( 10.92 mm x 14.99 mm x 1.02 mm) Operating temperature -13ºF to 185ºF (-25ºC to 85ºC) Storage temperature - 40ºF to 185ºF (-40ºC to 85ºC) Compatibility Compatible with microSDHC, microSDXC, microSDHC UHS-I3, microSDXC UHS-I3, microSDHC UHS-II, and microSDXC UHS-II supporting action camera, interchangeable-lens camera, drone, smartphone and tablet host devices