Yes, the Angelbird AV PRO SD V90 128GB is compatible with the Canon EOS R8.
Angelbird V90 UHS-II writes at 280 MB/s. Canon R8 4K30 minimum is 30 MB/s (UHS Speed Class 3). Substantial headroom -- no recording errors expected.
“Canon EOS R8 Compatible Cards: SD/SDHC/SDXC with UHS-II and UHS-I supported; for movies use a card with ample performance (fast enough writing and reading speeds) per Canon online manual.”
Last verified:
Confidence: inferred