SanDisk Extreme PRO CFexpress Type B Card and Extreme PRO CFexpress Card Reader REVIEW | MacSources

MacSources
6 min readMar 4, 2021

Improve your workflow with blazing-fast transfer speeds.

I started making the switch to mirrorless cameras a little over a year ago when I bought my Canon EOS-R. The camera has been a champ and it made me hungry for the Canon EOS R5 when it was released last summer. I even sold my Canon 5D Mark IV in anticipation of the camera upgrade. Well, a little over a month ago, I was able to get my hands on the holy grail of mirrorless cameras (in my opinion). Along with my camera upgrade came an upgrade in recording media, too. With the 5D Mark IV, I had two card slots — a standard SD card slot and a Compact Flash card slot. I made good use of both and the dual card slots were a feature I was happy to see on the R5. Canon did make the leap and upgraded the Compact Flash slot to a CFExpress card slot to accommodate the CFExpress memory cards. I immediately turned to my friends from SanDisk and picked up a 128GB SanDisk Extreme Pro CFexpress Card. Along with it, I got a CFExpress card reader since my other card readers are completely incompatible with the CFExpress card.

DETAILS

The CFExpress Card Type B features read speeds up to 1700 MB/s and write speeds up to 1400 MB/s. Users can expect to get low latency during high-speed recording and blazing soft speeds that can deliver Raw 4K video. The card is backward-compatible with XQD cameras that adopt firmware enabling CFexpress, the card includes both RescuePRO Deluxe Recovery Software and a limited lifetime warranty for added peace of mind.

In order to take advantage of more efficient workflows, you will need the CFExpress card reader also by SanDisk. It works with USB 3.1 Gen 2 speeds and is optimized for the CFExpress card. It comes with a 0.5-meter USB-C cable and features a 2-year limited warranty.

USER EXPERIENCE

Right off the bat, I noticed the size difference between the CompactFlash card and the CFExpress card. The card actually looks a little like a standard SD card…

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