We may earn a commission if you buy something through the affiliate text links or affiliate image links on Seeking Tech.

SanDisk Extreme PRO CFexpress Card Type B Comparison Guide

SanDisk recently released a new version Extreme PRO CFexpress Card Type B. So, how does this compare to the original model. Also, what are the differences between the different capacity options?

You can find out in this comparison guide between the memory cards.

Quick Summary

The first-generation and second-generation SanDisk Extreme PRO CFexpress Card Type B are identical as both have the same capacity options, XQD backwards compatibility, included RescuePRO Deluxe software, RAW 4K video support and warranty coverage.

The maximum sequential reading and maximum sequential writing speeds are also the same when you compare the same capacities for the two generations.

When you compare the different capacity sizes, the 128GB, 256GB and 512GB versions of both generations are tied with having the fastest maximum sequential read speed while the 64GB versions are the slowest.

The 512GB versions have the best maximum sequential write speed while the 256GB and 128 GB versions are tied with having the second fastest. The 64GB versions are also the slowest out of the available capacities at maximum sequential writes.

If you are interested, you can purchase any of the aforementioned memory cards on Amazon with the following links:

1st Gen vs. 2nd Gen Extreme PRO CFexpress Card Type B Comparison Chart

You can find a comparison table for these two SanDisk memory cards below.

 1st Gen SanDisk Extreme PRO CFexpress Card Type B2nd Gen SanDisk Extreme PRO CFexpress Card Type B
Capacity Options64GB

128GB

256GB

512GB
64GB

128GB

256GB

512GB
Model Numbers64GB: SDCFE-064G-ANCIN

128GB: SDCFE-128G-ANCIN

256GB: SDCFE-256G-ANCIN

512GB: SDCFE-512G-ANCIN
64GB: SDCFE-064G-ANCNN

128GB: SDCFE-128G-ANCNN

256GB: SDCFE-128G-ANCNN

512GB: SDCFE-128G-ANCNN
Backwards CompatibilityXQD cameras with updated firmware to support CFexpressXQD cameras with updated firmware to support CFexpress
RescuePRO DeluxeIncludedIncluded
Video CaptureRAW 4K videosRAW 4K videos
Maximum Sequential Read Speed64GB 1st Gen Extreme PRO CFexpress Type B: Up to 1500 MB per second

128GB 1st Gen Extreme PRO CFexpress Type B: Up to 1700 MB per second

256GB 1st Gen Extreme PRO CFexpress Type B: Up to 1700 MB per second

512GB 1st Gen Extreme PRO CFexpress Type B: Up to 1700 MB per second
64GB 2nd Gen Extreme PRO CFexpress Type B: Up to 1500 MB per second

128GB 2nd Gen Extreme PRO CFexpress Type B: Up to 1700 MB per second

256GB 2nd Gen Extreme PRO CFexpress Type B: Up to 1700 MB per second

512GB 2nd Gen Extreme PRO CFexpress Type B: Up to 1700 MB per second
Maximum Sequential Write Speed64GB 1st Gen Extreme PRO CFexpress Type B: Up to 800 MB per second

128GB 1st Gen Extreme PRO CFexpress Type B: Up to 1200 MB per second

256GB 1st Gen Extreme PRO CFexpress Type B: Up to 1200 MB per second

512GB 1st Gen Extreme PRO CFexpress Type B: Up to 1400 MB per second
64GB 2nd Gen Extreme PRO CFexpress Type B: Up to 800 MB per second

128GB 2nd Gen Extreme PRO CFexpress Type B: Up to 1200 MB per second

256GB 2nd Gen Extreme PRO CFexpress Type B: Up to 1200 MB per second

512GB 2nd Gen Extreme PRO CFexpress Type B: Up to 1400 MB per second
WarrantyLimited lifetime warrantyLimited lifetime warranty
PricingCheck price on Amazon.Check price on Amazon.

Capacity Options

Both the old and new versions of the SanDisk Extreme PRO CFexpress Card Type B can be purchased in the following capacity options:

  • 64 GB
  • 128 GB
  • 256 GB
  • 512 GB

Model Numbers

You can check out the model number for each capacity of the two memory cards in this versus guide below:

1st Gen SanDisk Extreme PRO CFexpress Card Type B

  • 64 GB: SDCFE-064G-ANCIN
  • 128 GB: SDCFE-128G-ANCIN
  • 256 GB: SDCFE-256G-ANCIN
  • 512 GB: SDCFE-512G-ANCIN

2nd Gen SanDisk Extreme PRO CFexpress Card Type B

  • 64 GB: SDCFE-064G-ANCNN
  • 128 GB: SDCFE-128G-ANCNN
  • 256 GB: SDCFE-128G-ANCNN
  • 512 GB: SDCFE-128G-ANCNN

Backwards Compatibility

Both the first-generation and second-generation Extreme PRO CFexpress Card Type B can be used with XQD cameras that have been updated to enable support for CFexpress.

RescuePRO Deluxe

The two memory cards come with RescuePRO Deluxe, a software that will let you recover accidentally deleted files.

Video Capture

Both the old and new generations of the SanDisk Extreme PRO CFexpress Type B are designed to capture RAW 4K videos.

Maximum Sequential Read Speed

When you compare the same capacities, the old and new versions of the Extreme PRO CFexpress Type B have the same maximum sequential reading speed.

When comparing the different capacities, the 128GB, 256GB and 512GB versions of both memory cards are tied with having the best top speeds. The 64GB versions of both cards are 200 MB per second slower (or 11.76% slower) than the three other capacities.

You can check out the max sequential read speed specifications below:

  • 64GB 1st Gen Extreme PRO CFexpress Type B: Up to 1500 MB per second
  • 128GB 1st Gen Extreme PRO CFexpress Type B: Up to 1700 MB per second
  • 256GB 1st Gen Extreme PRO CFexpress Type B: Up to 1700 MB per second
  • 512GB 1st Gen Extreme PRO CFexpress Type B: Up to 1700 MB per second
  • 64GB 2nd Gen Extreme PRO CFexpress Type B: Up to 1500 MB per second
  • 128GB 2nd Gen Extreme PRO CFexpress Type B: Up to 1700 MB per second
  • 256GB 2nd Gen Extreme PRO CFexpress Type B: Up to 1700 MB per second
  • 512GB 2nd Gen Extreme PRO CFexpress Type B: Up to 1700 MB per second

Maximum Sequential Write Speed

The first and second generation of the Sandisk Extreme PRO CFexpress Type B cards are also identical at maximum sequential writing speed when you compare to same capacities.

When comparing the different capacities, the 512GB versions for both generations are the fastest as the cards beat the 256GB and 128GB versions by 200 MB per second (or 16.67% faster) as well as the 64GB versions by 600 MB per second (or 75% faster).

You can take a look at the max sequential write speed specs below:

  • 64GB 1st Gen Extreme PRO CFexpress Type B: Up to 800 MB per second
  • 128GB 1st Gen Extreme PRO CFexpress Type B: Up to 1200 MB per second
  • 256GB 1st Gen Extreme PRO CFexpress Type B: Up to 1200 MB per second
  • 512GB 1st Gen Extreme PRO CFexpress Type B: Up to 1400 MB per second
  • 64GB 2nd Gen Extreme PRO CFexpress Type B: Up to 800 MB per second
  • 128GB 2nd Gen Extreme PRO CFexpress Type B: Up to 1200 MB per second
  • 256GB 2nd Gen Extreme PRO CFexpress Type B: Up to 1200 MB per second
  • 512GB 2nd Gen Extreme PRO CFexpress Type B: Up to 1400 MB per second

Warranty

The first-generation SanDisk Extreme PRO CFexpress Card Type B and second-generation SanDisk Extreme PRO CFexpress Card Type B each comes with a limited lifetime warranty.

Resources: