4 spare front-mount USB 2.0 ports for connecting to other USB devices
(for best reliability, connect the the power to the card reader at the back)

Card Supported:
Compact Flash Card (CF I)
Compact Flash Card (CF II)
IBM Micro Drive (MD)
Memory Stick (MS)
Memory Stick Pro (MS Pro)
Memory Stick Duo (MS Duo)
Secure Digital Card (SD)
SDHC
Micro SD
Micro SDHC
Mini Secure Digital Card (Mini SD)
Multi Media Card I (MMC I)
Multi Media Card II (MMC II)
Reduced Size Multi Media Card (RS-MMC)
Trans Flash
XD
USB Flash Memory Pen

System Supported:
Windows 98/SE/ME
Windows 2000
Windows XP 32Bit / 64Bit
Windows Vista 32Bit / 64Bit
Windows 7 32Bit / 64Bit