Lexar RW025-001 Professional CompactFlash Reader USB Available for USB 2.0. USB 2.0 Connectivity Fast Data Transfer takes full advantage of the read/write capabilities of your CF card, speeding your workflow and saving time and money. Rugged black housing with textured rubber resists scratching and is more stable when inserting CF card. Stackable design- Easily stack and connect up to four readers for simultaneous download.