Eye-Fi Pro X2, 8GB. Internal memory: 8192 MB, Flash card type: Secure Digital High-Capacity (SDHC). Security algorithms supported: 128-bit WEP, 64-bit WEP, WPA-PSK, WPA2-PSK. Mac operating systems supported: Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Bundled software: Eye-Fi Center. Colour of product: Orange. Minimum hard disk space: 100 MB