Designed for photographers and videographers looking to capture 12K+ raw footage and extended shutter bursts, the 1TB AV PRO SE CFexpress v4 Type B Memory Card from Angelbird provides maximum read speeds of 3700 MB/s and maximum write speeds of 2300 MB/s, plus sustained read speeds of 3500 MB/s and sustained write speeds of 2100 MB/s. Stable Stream technology provides consistent read and write performance throughout recording, while advanced thermal management helps prevent overheating.