Hot swappable Supported, compliant to USB2. 0 Support: CF/MD/SM/SD/MS/XD/S-MMC/Mini-SD/MG/MGD/ Read high speed over 4. 3mbps, write high speed over 1. 3mbps Support win98/2000/XP/XP Mac OS V9. 2 or higher 18 match 1 function RoHS