Pergear New 512GB Cfexpress Type a Memory Card up to 780Mb/S Read SpeedeBay Large Capacity: Pergear Professional 512GB CFexpress Type A Memory Card, specially designed for high resolution video recording, for continuous recording up to 8K RAW. Stable Performance: Pergear 512GB cfexpress type A card provides max read speeds up to 800 MB s, write speeds up to 780 MB s, with sustained write speed 380MB s. Speeds based on internal testing. Actual transfer ates and capacity may vary depending on host device, file attributes,