Exascend CATALYST 256GB UHS-II V90 SDXC Card

256GB Storage Capacity UHS-II / V90 / U3 / Class 10 Max Sequential Read Speed: 300 MB/s Max Sequential Write Speed: 280 MB/s Min Write Speed: 90 MB/s Water, Dust, and Impact Resistant X-Ray, Magnet, and Temperature Resistant Built-In Write-Protect Switch