SanDisk already has a promo video for their Extreme Pro CFexpress Card Type B that is already listed for sale at Amazon UK, Amazon France, Amazon Italy and Amazon Spain (still not available on Amazon US):
The video description talks about high-speed RAW 4k recording:
Take advantage of low-latency, high-speed RAW 4K recording that’s available with the SanDisk Extreme Pro® CFexpress® card. Backwards compatible with select XQD® cameras, you’ll get smooth, sustainable performance you haven’t experienced before.
There is also a new Sandisk USB 3.1 Extreme Pro CF Express card reader:
Sandisk USB 3.1 Extreme Pro CF Express card reader additional information:
- Item number 781148
- Supports USB 3.1 Gen2 speeds
- Compatible with the CFexpress Card Type B
- USB Type-C connectivity
- Price € 80,00
- USB 3.1 Gen2 permits interface speeds of up to 1250MB/s. Actual performance may vary based on memory card, host device, file attributes, usage conditions and other factors.
Here is an updated list of companies that will produce CFexpress memory cards:
