The Panasonic 128GB CFexpress Type-B Memory Card provides read speeds of up to 1700 MB/s and write speeds of up to 1000 MB/s, which enables low latency during high-speed recording with your device or computer, as well as accelerates your workflow. Capture high-quality images including RAW and burst shooting, as well as raw 4K and Full HD video. Offers high-speed performance, durability, and reliability.