1. Compliant with USB specification V1.1/V2.0 2.multi in 1 card redaer and writer Support SM/CF I/CF II/MD/SD/Mini SD/T Flash/MMC I/MMC II/RS-MMC/MS/MS Pro/ MS Duo/MS MG/MS MG Pro/MS MG Duo/ MS MG Pro Duo/MS Pro Duo/XD(Option) 3. Plug & play with Win2000/ME/ XP/CE3.0,win98 with driver 4. Supports Mac OS9.1/Mac OS X 5. .usb 2.0 hub :3 ports 6. 1394 port 7. 6ch audio port: Support front/real/cent+subwoof+mic/in 8. 5.25 bay mount 9.From MB SATA port or pci SATA card internal