Sandisk CFexpress Type B 128gb Extreme Pro Card

Designed to deliver speeds necessary for working with smooth, raw 4K video captures at resolutions up to 4096 x 2160, the 128GB Extreme PRO CFexpress Card Type B from SanDisk provides read speeds of up to 1700 MB/s and write speeds of up to 1200 MB/s, which enables low latency during high-speed recording and an enhanced workflow efficiency.

Compatible with :
Canon EOS R5
Nikon Z6 / Z7
Canon C500 Mark II
Nikon D6
Nikon D850
Canon EOS-1D X Mark III
Panasonic Lumix S1 / S1R
Canon EOS R3
* Note we haven't tested this card with all of these cameras - this is just what the internet says.