Yes, the Samsung PRO Plus 256GB SD is compatible with the Sony Alpha A7R V.
Samsung Pro Plus is UHS-I V30. Meets U3 threshold for XAVC HS 4K (200Mbps) and XAVC S 4K/HD. Cannot record XAVC HS 8K (400Mbps, requires V60 — UHS-I cards are not V60 rated) or XAVC S-I formats (require V90).
Conditions for compatibility
Compatible for stills, XAVC HS 4K (200Mbps), XAVC S 4K (200Mbps), and XAVC S HD (100Mbps) — U3 minimum met. Cannot record XAVC HS 8K (requires V60 — UHS-I bus cannot achieve V60), XAVC S-I 4K (600Mbps, requires V90), or XAVC S-I HD (requires V90).
“When the recording bit-rate is 200 Mbps, you can also record using an SDXC card (U3/V30).”
Last verified:
Confidence: inferred