... speed PerformanceMultiple Operation Systems supported:No driver needed in Windows ME,Windows 2000,Windows XP,Mac 9*later,Linux Kernel 2.4 or ... later.Only Windows 98 and Windows 98SE need the enclosed driver10 years data retentionMore ... is optional(default setting:NO bootable function)Readyboost Function Windows Vista system is optional(default setting:NO readyboost function) ...