Short info: Verbatim Premium - Flash Memory Card - 64 GB - UHS Class 1 / Class10 - microSDXC UHS-I Group Flash Memory Manufacturers Verbatim Art. No. 44014 Model Premium EAN/UPC 0023942440147 Product description: Verbatim Premium - Flash Memory Card - 64 GB - microSDXC UHS-I Product Type Flash Memory Card Form Factor microSDXC UHS-I Memory Card Storage Capacity 64 GB Speed UHS Class 1 / Class10 Required Operating System Microsoft Windows XP SP2, Microsoft Windows Vista SP1 or later Detailed information General Product type Flash memory card Storage capacity 64 GB Compatibility Non-specific Memory SD Speed Class UHS Class 1 / Class10 Form factor microSDXC UHS-I Memory Card Software / System Requirements Required operating system Microsoft Windows XP SP2, Microsoft Windows Vista SP1 or later.