Yes, the Angelbird AV PRO SD V90 128GB is compatible with the Sony A7 IV.
The angelbird av pro sd v90 128gb is an SDXC UHS-II V90 card. V90 meets the A7 IV's most demanding SD requirement (XAVC S-I 4K 600Mbps needs V90), so it records every SD mode the body offers.
“XAVC S-I 4K 600Mbps CFexpress Type A memory card (VPG200 or higher) SDXC V90 or higher”
“incredibly fast sustained write performance of 260 MB/s”
Last verified:
Compatibility inferred from spec rule (citations above are manufacturer-verified)