Transcend TS256GCF800 256GB

Quick overview from the supplier:

256GB CompactFlash Card, Hi-Speed 800X, Transcend "TS256GCF800" (R/W: 120/60MB/s) * Low power consumption and fast write speed help maximize battery runtime * Extra-large capacity for storing high resolution movies and pictures * Built using MLC Flash chips for guaranteed performance and durability * Built-in hardware ECC technology for detecting and correcting errors * High-speed transfers between card and computer