Reference Chart

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CFexpress Type B Media Compatible Cameras
April 6, 2021
CFX-B Series
Capacity
128GB
256GB
512GB
1TB
2TB
Model
CFX-B128
CFX-B256
CFX-B512
CFX-B1024
CFX-B2048
Min Sustained Write
140 MB/s
230 MB/s
400 MB/s
400 MB/s
400 MB/s
Canon
Video Cameras
EOS C300
Mark III
4K RAW 120P
(263 MB/s)
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Other
video codecs
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EOS C500
Mark II
5.9K RAW
(263 MB/s)
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Other
video codecs
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DSLR & Mirrorless Cameras
EOS-1D X
Mark III
Photo
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5.5K RAW 60P
(325 MB/s)
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5.5K RAW 30P
(225 MB/s)
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Other
video codecs
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EOS R5
Photo
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8K RAW 30P
(325 MB/s)
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4K ALL-I 120P
(235 MB/s)
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8K ALL-I 30P
(163 MB/s)
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Other
video codecs
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