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| Product | Silicon Power Armor A80 (1TB) | Seagate FreeAgent GoFlex Ultra-portable (1.5TB, USB 3.0, 22mm)  | Seagate Backup Plus (1TB, blue) | Silicon Power Armor A15 (1TB) |
| Price | $105.06 to $199.61 | $99.99 to $242.74 | $89.00 to $164.56 | $74.99 to $103.99 |
| CNET editors' rating | 4 stars | 4 stars | 4 stars | 4 stars |
| Average user rating | 1 stars | 2 stars | 4 stars | 0 stars |
| Release date | Info unavailable | Info unavailable | June 11, 2012 | Info unavailable |
| Bottom line | The Silicon Power Armor A80 makes an excellent portable drive for travelers and home offices alike. | Even with the slightly low USB 3.0 performance, the GoFlex Ultra still makes an excellent portable external hard drive for people who need to expand their computer's storage. | Seagate Backup Plus carries the flexibility of the GoFlex portable drive while adding performance and style to portable storage. The new drive makes an excellent buy. | Fast and affordable, the shockproof Silicon Power Armor A15 is an excellent buy for mobile users, especially those working in rough environments. |
| Product Description | SILICON POWER Armor A80 - Hard drive - 1 TB | Seagate FreeAgent GoFlex - Hard drive - 1.5 TB | Seagate Backup Plus STBU1000102 - Hard drive - 1 TB - USB 3.0 | SILICON POWER Armor A15 - Hard drive - 1 TB - USB 3.0 |
| Packaged Quantity | 1 | 1 | 1 | 1 |
| Type | Hard drive - External hard drive | Hard drive - External hard drive | Hard drive - External hard drive ( Portable ) | Hard drive - External hard drive ( Portable ) |
| Capacity | 1 TB | 1.5 TB | 1 TB | 1 TB |
| Data Transfer Rate | 5.0 Gbps (SuperSpeed USB) | 5.0 Gbps (SuperSpeed USB) | Info unavailable | 5.0 Gbps (USB 3.0) |
| Features | Cable carry design Water resistant Shock resistant Dust-proof Pressure-proof | Info unavailable | Automatic backup | Shock resistant Bus Powered by USB One-Click backup button Pressure-proof LED power indicator |
| Power Source | USB bus | USB bus | Info unavailable | USB bus |
| Enclosure Color | Blue | Black | Blue | Black |
| Dimensions (WxDxH) | 5.5 in x 3.7 in x 0.7 in | 3.5 in x 4.7 in x 0.9 in | 3.2 in x 0.6 in x 4.9 in | 3.2 in x 5.4 in x 0.8 in |
| Weight | 9.5 oz | 9.9 oz | 7.9 oz | 7.1 oz |
| Manufacturer Warranty | 3 years warranty | 3 years warranty | 2 years warranty | 3 years warranty |
| Full specifications | Full specifications | Full specifications | Full specifications | Full specifications |
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Silicon Power Armor A80 compare (1TB)
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