Make your own (cheaper) CFexpress Type B cards with this NVMe SSD to CFexpress Type B adapter: Digital Photography Review
2GB COMPACT FLASH CF MEMORY - Walmart.com
Amazon.com: SD/CF Card Reader for USB C, Stouchi UHS-II SD4.0/ CF /Micro SD Card Reader Adapter 3 in 1 USB C OTG SD 4.0 Card Reader up to 312 MB/s for 2018
Best CFexpress Type-A Memory Cards For Your Camera | Alik Griffin
Exascend launches new CFexpress Type A cards, including world's first 240GB-capacity model: Digital Photography Review