I would still go with a G-RAID mini, but that's just my own preference:
G-RAID® mini | G-Technology
And there are non-RAID alternatives:
G-DRIVE® ev | G-Technology
G-DRIVE® Mobile | G-Technology
G-DRIVE® Mobile USB | G-Technology
G-DRIVE® Slim | G-Technology
G-DRIVE® mini | G-Technology
G-DRIVE ev 220 | G-Technology
G-RAID® mini | G-Technology
And there are non-RAID alternatives:
G-DRIVE® ev | G-Technology
G-DRIVE® Mobile | G-Technology
G-DRIVE® Mobile USB | G-Technology
G-DRIVE® Slim | G-Technology
G-DRIVE® mini | G-Technology
G-DRIVE ev 220 | G-Technology