Specific Read and Write Speeds:
► 512GB - up to 270MB/s Read, 180MB/s Write Speeds
► 256GB - up to 280MB/s Read, 205MB/s Write Speeds
Specifications:
• Brand: Lexar Professional
• Model: 1800x
• Product: GOLD SERIES SDXC Memory Card
• Memory Capacity: 256GB / 512GB
• Card Format: SDXC
• Read Speed (max): 280MB/s
• Write Speed (max): 205MB/s
• Video Recording: 4K, Full HD and 3D Video
• Speed (X-Rating): 1800x
• Bus Speed: UHS-II
• UHS Speed Class: U3
• Video Speed Class: V60
• Speed Class: Class 10