Samsung EVO UHS-I microSDXC Memory Card 64GB/128GB/256GB

Key Features:

• Compatible with most devices that support microSDXC cards
  For wide-ranging use.
• Storage capacity
  Provides plenty of space for your photos, videos, documents, and other data.
• Up to 100MB/sec. read speed
  Along with an up to 90MB/sec. write speed saves you time when transferring files.
• Rugged construction
  Resists damage due to magnetic, water, X-rays and temperature.

Specification:

• Brand: Samsung
• Card Type microSDXC
• Storage Capacity 64/128/256 GB
• Bus Type UHS-I
• Speed Class 10
• UHS Speed Class U3
• Data Transfer Read Speed: 95/100 MB/s Maximum (Burst)
• Write Speed: 30 MB/s Minimum
• Durability Magnet-Proof, Temperature Extremes, Waterproof, X-Ray Proof
• Operating Temperature -13 to 185°F/ -25 to 85°C
• Storage Temperature -40 to 185°F/ -40 to 85°C

Note: Above information from different sources for more info visit samsung official site.