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Amazon.com: SanDisk 256GB SDXC Extreme Pro Memory Card Works with Panasonic Lumix GH5, GH4, G7, GX85 Mirrorless Camera 4K V30 (SDSDXX-256G-GN4IN) Bundle with (1) Everything But Stromboli Combo Card Reader : Electronics
Panasonic GH5 at CES 2017: Internal 10-bit 422 4K recording at 400 Mbps, and HD up to 180fps - Newsshooter