Product details:

M.2 SSD Adapter Caddy, For GY-HC500/550 Connected Cam Cameras, Record UHD 4K 60/50p, 10-Bit ProRes 422, Fits Camera SSD Media Expansion Slot, USB 3.0/3.1 Gen 1 Interface. Use this M.2 SSD Media Adapter Caddy from JVC to record up to UHD 4K 60/50p 10-bit ProRes 422 video on your GY-HC500 or GY-HC550 Connected Cam camcorder. This caddy accepts an M.2 SSD which allows the camera to record higher-resolution video compared to a maximum UHD 4K 30/25p using an SDHC/SDXC card. It installs into the built-in SSD expansion slot on the Connected Cam. The M.2 SSD media is not included with the adapter caddy. To offload your media to a computer connect the caddy via its USB 3.0/3.1 Gen 1 interface.