10 Facts About CompactFlash II

CompactFlash II is a flash memory mass storage device used mainly in portable electronic devices.

CompactFlash II became one of the most successful of the early memory card formats, surpassing Miniature Card and SmartMedia.

CompactFlash II was originally built around Intel's NOR-based flash memory, but has switched to NAND technology.

CompactFlash II interface is a 50-pin subset of the 68-pin PCMCIA connector.

Current CompactFlash II cards spread the wear-leveling across the entire drive.

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The CompactFlash II card includes error checking and correcting that detects the error and re-reads the block.

CompactFlash II cards are often used instead of hard drives in embedded systems, dumb terminals and various small form-factor PCs that are built for low noise output or power consumption.

CompactFlash II cards are often more readily available and smaller than purpose-built solid-state drives and often have faster seek times than hard drives.

When CompactFlash II was first being standardized, even full-sized hard disks were rarely larger than 4 GB in size, and so the limitations of the ATA standard were considered acceptable.

In September 2016, the CompactFlash II Association announced a new standard based on PCIe 3.