Sony - CEAG640T 640 GB CFexpress Type A Memory Card

The high-capacity CEAG640T with 640GB5 uses the latest flash memory control technology to achieve read speeds as high as 800MB/s1 and write speeds as high as 700MB/s1 greatly reducing buffer clearing times for efficient, stress-free shooting. TOUGH and durable impact, bending, dust and moisture resistant give you peace of mind only found in Sony TOUGH cards.