Nintendo®-licensed memory card to provide dependable, high-performance storage, the SanDisk microSDXC card for the Nintendo Switch system lets you add up to 64GB* of capacity with transfer rates up to 100MB/s1 so you can keep your favorite titles on a single card and start playing in no time. And with a lifetime limited warranty,2 you get gaming storage that\\\'s ready for the long haul. Get In The Game Fast With transfer rates up to 100MB/s,1 the SanDisk microSD™ card for Nintendo Switch delivers consistent high performance so you can loadgames fast. Form Factor microSDXC™Available Capacities microSDXC: 64GB and 128GB*Performance/Speed 128GB: Up to 100MB/s1 read and up to 90MB/s write speed64GB: Up to 100MB/s1 read and up to 60MB/s write speedDimensions microSD: 0.43in x 0.59in x 0.04in (10.92mm x 14.99mm x 1.02mm)Operating Temperature -13°F to 185°F (-25°C to 85°C)Storage Temperature -40°F to 185°F (-40°C to 85°C)Compatibility Compatible with microSDXC UHS-I supporting host devicesWarranty Global: Lifetime2