SanDisk 64GB Extreme Pro CompactFlash

Shot 4K raw on this card for a full wedding day and never once hit a buffer stall, even during long continuous bursts. The 256GB capacity gave me plenty of room to avoid mid-shoot card swaps, which is exactly what I needed. Transferring the files to my laptop afterward was noticeably quicker than my

I was skeptical about the performance, but the 4K video captures at 4096 x 2160 are incredibly smooth with this card. It handles large files without any stuttering, which is exactly what I needed for my workflow.

Switching to this card saved me from dropped frames on my high-bitrate 4K shoots—it handles 4096 x 2160 raw footage without stuttering. The transfer speeds make importing a full day's work feel instant.