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| Product | WD My Book VelociRaptor Duo | LaCie 5big Thunderbolt (20GB) | Drobo Mini | Promise Pegasus R6 (12TB, SATA II) |
| Price | $699.00 to $1,167.01 | $1,984.94 to $2,199.95 | $599.00 to $1,043.67 | $2,291.56 to $2,499.99 |
| CNET editors' rating | 4 stars | 4 stars | 2.5 stars | 3.5 stars |
| Average user rating | 0 stars | 0 stars | 5 stars | 3.5 stars |
| Release date | Info unavailable | Info unavailable | Info unavailable | Info unavailable |
| Bottom line | The My Book VelociRaptor Duo is one of the best storage devices thanks to its balanced combination of excellent performance, practical design, and relatively friendly pricing. | Though it lacks RAID 5, the speedy 5big Thunderbolt is still worth the hefty investment, and is a better buy than competing devices. | The esoteric Drobo Mini seems to strive to be unique mostly for the sake of uniqueness, and offers very little, if at all, in terms of usability considering its crazily high cost. | If you have a Thunderbolt-enabled computer, the Promise Pegasus R6's storage capacity, its features, and especially its performance are worth the hefty investment for those who demand fast external storage. |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices | Prices from 14 stores |
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Promise Pegasus J4 compare (2TB)
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