SanDisk Extreme Features:

• Extreme Speed Uncompromising speed at up to 60MB/s write speed (400X, UDMA-enabled) for shorter wait times, faster continuous burst shooting and rapid transfers to your computer.
  
  
• Extreme Intelligence SanDisk's Proprietary Power Core controller distributes data across the card more rapidly and efficiently; the UDMA-6 interface allows for maximum data transfer between card and camera.
  
  
• Extreme Endurance The SanDisk Power Core controller's firmware algorithms through wear leveling enhance endurance of card by moving the data across different blocks of memory, evenly spreading the data around.
  
  
• Extreme Durability For extreme environments these cards feature RTV silicone coating for added protection against moisture and humidity.
  
  
• Extreme Confidence Backed by rigorous stress, shock, and vibration testing procedures and SanDisk's limited lifetime warranty.
  
  
• Extreme Reliability Tested to perform from -25°C to 85°C (-13°F to 185°)

• 60MB/s (400x)*
• * Up to 60MB/sec write speed. Based on SanDisk internal testing with testmetrix: performance may be lower depending on host device. 1 megabyte (MB) = 1 million bytes. X = 150 KB/sec.

• 60MB/s*
• * Up to 60MB/sec read speed. Based on SanDisk internal testing with testmetrix: performance may be lower depending on host device. 1 megabyte (MB) = 1 million bytes. X = 150 KB/sec.
• Size

• UDMA 5 enabled
• Works in all UDMA modes

• -25°C to 85°C (-13°F to 185°)