Exascend CATALYST 256GB UHS-II V60 SDHC Card

256GB Storage Capacity UHS-II / V60 / U3 / Class 10 Max Sequential Read Speed: 280 MB/s Max Sequential Write Speed: 180 MB/s Min Write Speed: 60 MB/s Water, Dust, and Impact-Resistant X-Ray, Magnet, and Temperature-Resistant Built-In Write-Protect Switch