Lexar 256GB Professional 2000x UHS-II SDXC Memory Card

Key Features
256GB Capacity
UHS-II / V90 / U3 / Class 10
Max Read Speed: 300 MB/s
Max Write Speed: 260 MB/s
Min Write Speed: 90 MB/s
Records Full HD, 3D, and 4K Video
Water, Shock, Vibration, and X-Ray Proof
Can Withstand Extreme Temperatures
Built-In Write Protect Switch
Blackmagic Qualified