Specific Read and Write Speeds:
► 256GB up to 280MB/s read, up to 160MB/s write
► 128GB up to 280MB/s read, up to 120MB/s write
► 64GB up to 280MB/s read, up to 130MB/s write

Specifications:
• Brand: Lexar Professional
• Model: Silver Pro
• Product:  SILVER PRO SDXC UHS-II Card
• Memory Capacity: 64GB / 128GB / 256GB
• Card Format: SDXC
• Read Speed (max): 280MB/s
• Write Speed (max): 160MB/s
• Bus Speed: UHS-II
• UHS Speed Class: U3
• Video Speed Class: V60
• Speed Class: Class 10