ProMaster CFexpress Type B Advanced Memory Card, 256GB

This ProMaster 256GB Advanced CFexpress Type B memory card offers excellent performance at an affordable price. With excellent minimum sustained sequentual write speeds, Advanced Memory Cards enable your camera to perform well in all modes including high-resolution video capture. ProMaster CFX-B cards use top quality flash memory and components for years of service and thousands of read/write cycles.

Key Features

• 256GB CFexpress Type B
• 800 MB/s minimum sustained sequential write speed
• 1700 MB/s read speed
• PCI Express 4.0 Bus (also supports NVM Express)
• Heat & cold resistant
• Limited lifetime warranty

Technical Specifications

Minimum sustained sequential write speed
800 MB/s
Maximum write speed
1700 MB/s
Minimum sustained sequential read speed
1300 MB/s
Maximum read speed
1700 MB/S
PCI interface
PCI Express 4.0, NVMe
Operating temperature range
32 Degrees F to 158 Degrees F (0 Degrees C to 70 Degrees C)