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| Product | LaCie Little Big Disk SSD (240GB) | LaCie 2big Thunderbolt Series (6TB) | Promise Pegasus R4 (4TB) | WD My Book Thunderbolt Duo (4TB) | Promise Pegasus J4 (2TB) |
| Price | $729.00 | $699.99 | $922.90 to $1,887.95 | $499.00 to $749.12 | $699.00 to $839.99 |
| CNET editors' rating | 3.5 stars | 3.5 stars | 3.5 stars | 3.5 stars | 3.5 stars |
| Average user rating | 1 stars | 5 stars | 0 stars | 0 stars | 0 stars |
| Release date | Info unavailable | Info unavailable | Info unavailable | Info unavailable | Info unavailable |
| Bottom line | For those who have a Thunderbolt-enabled computer and the necessary funds, the LaCie Little Big Disk SSD makes a decent investment for a compact and superfast storage solution. | The LaCie 2big Thunderbolt Series strikes a balance between capacity, performance, and price and would be a good choice for owners of Thunderbolt-enabled computers. | The Pegasus R4 would be a very good investment for those who have a Thunderbolt-enabled computer, be it Windows PC or
Mac. | The WD My Book Thunderbolt Duo makes a very good external storage device for Thunderbolt-enabled Macs thanks to its comparative affordability, ease of use, and decent performance. | The Pegasus J4 is currently the only good choice on the market if you're looking for a compact four-bay Thunderbolt storage device. |
| Product Description | Info unavailable | LaCie 2big Thunderbolt Series - Hard drive array | Promise Pegasus R4 - Hard drive array | WD My Book Thunderbolt Duo WDBUPB0040JSL - Hard drive array | Promise Pegasus J4 - Hard drive array |
| Packaged Quantity | Info unavailable | 1 | 1 | 1 | 1 |
| Device Type | Info unavailable | Hard drive array | Hard drive array | Hard drive array | Hard drive array |
| Total Array Capacity | Info unavailable | 6 TB | 4 TB | 4 TB | 2 TB |
| Interface | Info unavailable | Thunderbolt | Thunderbolt | Thunderbolt | Thunderbolt |
| Installed Devices / Modules Qty | Info unavailable | 2 (installed) / 2 (max) | 4 (installed) / 4 (max) | 2 (installed) / 2 (max) | 4 (installed) / 4 (max) |
| Weight | Info unavailable | 6 lbs | 9.9 lbs | 4.9 lbs | 5.3 lbs |
| Storage Controller | Info unavailable | ( Thunderbolt ) RAID - RAID RAID 1 - RAID JBOD - RAID RAID 0 | RAID ( Serial ATA-600 ) - RAID RAID 1E - RAID RAID 1 - RAID RAID 10 - RAID RAID 6 - RAID RAID 5 - RAID RAID 0 | RAID - RAID RAID 1 - RAID JBOD - RAID RAID 0 | RAID ( Serial ATA-300 ) - RAID RAID 1 - RAID JBOD - RAID RAID 0 |
| Hard Drive | Info unavailable | - Portable 2 x 3 TB Hot-swap - Thunderbolt technology - Dual cooling system - Aluminum enclosure | 4 x 1 TB Hot-swap | - Thunderbolt technology 2 x 2 TB Standard - Double-safe data protection | 4 x 500 GB Standard Serial ATA-300 |
| OS Required | Info unavailable | Apple MacOS X 10.6 or later | Apple MacOS X 10.6 or later | Apple MacOS X 10.6.8 or later | Apple MacOS X |
| Manufacturer Warranty | Info unavailable | 3 years warranty | 2 years warranty | 3 years warranty | 2 years warranty |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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LaCie Little Big Disk SSD compare (240GB)
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