The Panasonic GH5s is a lot like the Panasonic GH5 in terms of memory performance. The main difference is the slightly larger sensor and the lack of in body image stabilization. In tests both cameras perform the same. We put the Panasonic GH5s through the memory card speed tests with both continuous burst and 400mbps 4k video recording to see which cards perform the best in the camera. Use this guide to find the fastest memory cards for your Panasonic GH5s.