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 B | 2nd Gen SanDisk Extreme PRO CFexpress Card Type B | |
|---|---|---|
| Capacity Options | 64GB 128GB 256GB 512GB | 64GB 128GB 256GB 512GB |
| Model Numbers | 64GB: 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 Compatibility | XQD cameras with updated firmware to support CFexpress | XQD cameras with updated firmware to support CFexpress |
| RescuePRO Deluxe | Included | Included |
| Video Capture | RAW 4K videos | RAW 4K videos |
| Maximum Sequential Read Speed | 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 | 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 | Limited lifetime warranty | Limited lifetime warranty |
| Pricing | Check 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.
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