The Angelbird AV Pro CFexpress 2.0 memory card 256 GB is designed to delivery reliable, sustained performance that can optimize raw and burst photography, as well as Full HD and raw 4K, 6K, 8K, and 12K video. It offers protection from overheating, operates with a reduced power draw, and helps to ensure high bitrate captures. The Angelbird AV Pro CFexpress memory card 256 GB uses the PCIe 3.0 x2 bus to deliver maximum read speeds of 1700 MB/s, maximum write speeds of 1500 MB/s, sustained read speeds of 1000 MB/s, and sustained write speeds of 550 MB/s. Compatible with devices that support CFexpress 2.0 Type B, such as the Canon EOS-1D X Mark III, EOS C500 Mark II, EOS C300 Mark III, and EOS R5, Nikon Z7, Z6, and D6, and Panasonic LUMIX DC-S1 and DC-S1R, Angelbird’s AV Pro CFexpress 2.0 series has been engineered with protection against shock, dust, water, temperature extremes, and x-rays, and has an MTBF (Mean Time Between Failures) rating of 2.4 million hours.