Media Card 
Angelbird
product Cameras Cinema Blackmagic Design /product-images/cameras/blackmagic-pyxis-6k-native-l-mount.jpg /product/blackmagic-pyxis-6k-native-l-mount/ $275 Cameras L Mount LMount
You might also need
General Accessory 
Angelbird
Angelbird CFexpress Type B Card Reader
Battery Power 
Core SWX
Core SWX GPM-X2S Mini Dual V-Lock Battery Charger
General Accessory 
Tilta
Tilta Standard Lightweight Dovetail Plate 10"
Battery Power 
SWIT OMNI-99S 99Wh USB-C Info Pocket V-Mount Battery
Cinema 
ARRI