SanDisk 128GB Extreme Pro 170MB/s

Plugged this into my mirrorless camera for a wedding shoot and the write speed kept up with continuous RAW+JPEG captures perfectly. The U3 rating meant I never saw a buffer slowdown even during long bursts.

Burst shots on my DSLR write without any stutter, even with raw files stacked back-to-back. I’ve filled half the card on a wedding shoot and the U3 speed never dipped, which is exactly what I needed for 4K video.

Switching from a slower card, the write speed of 90 MB/s on this 128GB card is a huge improvement—my camera buffer clears almost instantly. It handles 4K video without any hiccups.