Smart Card Reader USB Hub, 4-Port Multi-Format Reader for SDHC/SDXC/SD/MicroSD/MMC/SIM & Common Access CAC Cards

This USB 3.0 card reader provides direct plug-and-play connectivity for a wide range of contact chip and memory cards across multiple operating systems. Its compact design features a protective dust cap and a narrow profile that leaves adjacent ports accessible. 1. Package Contents: Includes one USB-CAC memory card reader and one CAC smart card adapter for immediate setup. 2. Card Compatibility: Supports ISO 7816 Class A, B, and C memory cards operating at 5V, 3V, and 1.8V, along with DOD military CAC cards, SIM cards, SD card formats, and MMC cards. 3. System Support: Functions with Windows versions from XP through 10 and server editions, alongside Mac OS and Linux environments. 4. Physical Design and Safety: Features automatic card detection with thermal and short-circuit protection, a protective cap for the USB connector, and a narrow body that accommodates adjacent ports while supporting portable keychain use.