Read Speed: SanDisk 512GB Extreme PRO microSD UHS-I Card features SanDisk QuickFlow Technology that optimizes performance for timesaving media offloads with quick read speeds up to 200MB/s
Write Speeds of up to 140MB/s: Capture fast-action photos or shoot 4K UHD video with write speeds of up to 140MB/s. The SanDisk Extreme Pro microSDXC UHS-I Card lets you shoot more and faster
