Image courtesy: Photographybay.
PhotographyBay posted that video showing the new SDXC UHS-I Speed Class 3 card. PB says it “will offer a minimum write speed of 30MB/s (equivalent to 240Mbps). Accordingly, the new Speed Class 3 cards will accommodate the rumored 4K 200Mbps .mp4 capture.”
Here is the video showing the card and the GH 4K: