Know your gear
The Sony 128GB SXS-1 Series Memory Card is optimized for high frame rate 4K video capturing. This memory card is compatible with Sony's large sensor 4K camera technology, providing video makers with more creative and flexible alternatives for 4K, 2K, and HD capture and production. This SxS-1 memory card has a PCI Express Card 34 form factor and has a maximum read speed of up to 440 MB/s and a maximum write speed of up to 200 MB/s.