Two Cfast 2.0 Cards with high data rates. Large size gives you extra recording time.

Cards have been personally tested on Canon C200, C300, BlackMagic.

Specs from the product page:
Designed for
BlackMagic Ursa
Canon XC10 • XC15 • 1DX MARK 2 • C200
Hasselblad H6D-50c • H6D-100
Atomos
Phantom VEO S

URSA 4.6K supported Data-rates :
RAW lossless
• Lossless at 4.6K full (24, 25 fps)
• Lossless at 4.6K 2.4:1 (24,25,30 fps)
• Lossless at 4K16:9 (24,25,30 fps )
• Lossless at UHD (24,25,30,40 fps)
• Lossless at 3K anamorphic (24,25,30,40 fps)
• Lossless at 2K 16:9 (24,25,30,60,120 fps)
• Lossless at HD 16:9 (24,25,30,60,120 fps )

RAW 3:1
• 3:1 at 4.6K full (24, 25, 30,40 fps )
• 3:1 at 4.6K 2.4:1 (24,25,30,40,60 fps )
• 3:1 at 4K16:9 (24,25,30,40,60 fps )
• 3:1 at UHD (24,25,30,40,60 fps )
• 3:1 at 3K anamorphic (24,25,30,40,60 fps )
• 3:1 at 2K 16:9 (24,25,30,60,120 fps )
• 3:1 at HD 16:9 (24,25,30,60,120 fps )

ProRes XQ
• XQ at 4.6K 2.4:1 (24,25,30 fps )
• XQ at 4K16:9 (24,25,30 fps )
• XQ at UHD (24,25,30 fps )
• XQ at 3K anamorphic (24,25,30 fps )
• XQ at 2K 16:9 (24,25,30,60 fps)

ProRes 444
• 444 at 4.6K full (24,25,30,60 fps)
• 444 at 4.6K 2.4:1 (24,25,30,60 fps)
• 444 at 4K16:9 (24,25,30,60 fps)
• 444 at UHD (24,25,30,40 fps)
• 444 at 3K anamorphic (24,25,30,40 fps )
• 444 at 2K 16:9 (24,25,30,60 fps )
• 444 at HD 16:9 (24,25,30,60 fps)

Data-rates supported with a Dual card Mode: All Resolutions Above and additionally
• XQ at 4.6K full (24 fps)
• Lossles at 4.6K full (60 fps)

Lexar Professional Workflow CR1 Reader not recommended.