pOur most powerful SD UHS-I memory card yet delivers performance that elevates your creativity. With shot speeds of up to 140MB/s and UHS speed Class 3 (U3) recording, youre ready to capture stunning high-resolution, stutter-free 4K UHD video. And, because your pace doesnt let up after the shots are in, it delivers up to 200MB/s transfer speeds for a faster postproduction workflow. Plus, its built to withstand weather, water, shocks and other less-than-ideal conditions so you can rest assured that its good to go wherever your work takes you.. bCompatibility: /b ul liCompatible with SDXC and SDXC UHS-I enabled host devices; /ul bSpecifications /b ul li bCard Type: /b SDXC; li bStorage Capacity: /b 1 TB; li bBus Type: /b UHS-I; li bSpeed Class: /b Up to 200MBs; li bUHS Speed Class: /b U3; li bVideo Speed Class: /b V30; li bRead Speed Maximum: /b 200 MB/s; li bWrite Speed Maximum: /b 140 MB/s; li bMinimum: /b 30 MB/s; li bOperating Temperature: /b 13 to 185°F / -25 to 85°C; li bStorage Temperature: /b 40 to 185°F / -40 to 85°C; li bBuilt-in Write-Protect Switch: /b Yes; li bDimension (L x W x H): /b 0.09″ x 0.94″ x 1.26″; li bWeight: /b 0.05 lbs; /ul.