Canon EOS 5D Mark III Write Speed Using SDHC and CF Cards Simultaneously

I've received a question about the Canon EOS 5D Mark III DSLR's write speed using SDHC and CF Cards simultaneously. I thought I would share the answer with you.
With a Lexar Professional 32GB 1000x UDMA-7 CompactFlash Memory Card installed alone, the 5D III will deliver a burst of 33 RAW images (photographing a dim scene).
The 5D III's max SDHC/SDXC write speed is slower than its CF max write speed - and the UHS-I standard is not supported. With a Lexar Professional 32GB 133x SDHC Memory Card installed ...

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