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| Product | LaCie 2big (2TB, USB 3.0)  | Western Digital My Book Mirror Edition (1TB) | LaCie Rugged USB 3.0 Thunderbolt (1TB) |
| Price | MSRP: $349.99 | $251.48 | $219.00 to $240.00 |
| CNET editors' rating | 4 stars | 4 stars | 4 stars |
| Average user rating | 0.5 stars | 1.5 stars | 0.5 stars |
| Release date | Info unavailable | Info unavailable | Info unavailable |
| Bottom line | The LaCie 2big USB 3.0 is an overall excellent external hard drive. | The Western Digital My Book Mirror Edition is a compelling choice for an external drive, delivering excellent value, good performance, and two hard drives for added data security. For anyone looking for an external USB 2.0 drive, the My Book Mirror belongs on your shortlist. | Fast, flexible, rugged, and affordable, the LaCie Rugged Thunderbolt is one of the best high-end portable drives on the market. |
| Product Description | LaCie 2big - Hard drive array | WD My Book Mirror Edition WDH2U10000 - Hard drive array | Info unavailable |
| Packaged Quantity | 1 | 1 | 1 |
| Device Type | Hard drive array | Hard drive array | Info unavailable |
| Total Array Capacity | 2 TB | 1 TB | Info unavailable |
| Interface | SuperSpeed USB 3.0 | Hi-Speed USB | Info unavailable |
| Installed Devices / Modules Qty | 2 (installed) / 2 (max) | 2 (installed) / 2 (max) | Info unavailable |
| Dimensions (WxDxH) | 3.7 in x 7.2 in x 7.9 in | 3.9 in x 6.1 in x 6.5 in | Info unavailable |
| Weight | 7.9 lbs | 5.8 lbs | 9.2 oz |
| Storage Controller | ( USB 3.0 ) 1 x RAID - RAID RAID 1 - RAID JBOD - RAID RAID 0 | RAID - RAID RAID 1 - RAID RAID 0 | Info unavailable |
| Storage Controller (2nd) | None | None | Info unavailable |
| Hard Drive | - Helps to reduce power consumption 2 x 1 TB Hot-swap - PC and Mac compatible | 1 TB 2 Standard | Info unavailable |
| Hard Drive (2nd) | None | None | Info unavailable |
| Optical Storage | None | None | Info unavailable |
| OS Required | Apple MacOS X 10.5 Apple MacOS X 10.6 Microsoft Windows Vista / XP / 7 | Apple MacOS X 10.5.2 or later Apple MacOS X 10.4.11 or later Microsoft Windows Vista / 2000 / XP | Info unavailable |
| Manufacturer Warranty | 3 years warranty | 3 years warranty | 2 years warranty |
| Full specifications | Full specifications | Full specifications | Full specifications |
| Buying choices | MSRP: $349.99 See manufacturer website for availability. |
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LaCie 2big compare (2TB, USB 3.0)
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