Check the listing for details. Internal Dual-Slot CompactFlash CF I/II Card Reader Module, Universal Compatible. Condition: Used. Listed at 15.00 USD. The product is an internal dual-slot CompactFlash CF I/II card reader module that is universally compatible. It supports both CompactFlash II and CompactFlash I memory cards, making it versatile for various devices. The card reader is designed for internal connectivity, allowing for easy access to stored data on the memory cards. With its universal compatibility and dual slots, this card reader module is a convenient and efficient solution for accessing and transferring data from CompactFlash cards.