The Panasonic 64GB SDXC-UHS-I U3 Gold Series “SDUC” introduced by Panasonic can provide this UHS Speed Class 3 (U3) is capable of stable and continuous real-time video recording at a minimum write speed of 30MB/s (240 Mbps). It can be used not only for unlimited 4K video recording in MOV/MP4 format, but is also capable of ultra high bitrate video recording at 200 Mbps (ALL-Intra) or 100 Mbps (IPB) for enabling smooth and beautiful high-quality video without the dropouts caused by an insufficient writing speed.
With products not compatible with UHS Speed Class 3, the Gold Series cards are compliant with UHS Speed Class 1 or Speed Class 10 with a constant minimum writing speed of 10 MB/s (80 Mbps). The stable writing performance ensures highly reliable recording of low bit-rate 4K videos as well as Full HD and standard videos. Further, the Gold Series cards are a perfect match for the New LUMIX-G “DMC-GH4”, which is capable of providing awesome video quality for unlimited expressiveness.