| Compare Series Details |
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| Core technology |
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M90/M90p |
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M58/M58p |
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M58e |
| Genuine Windows® 7 Professional |
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| Windows® 7 Lenovo Enhanced Experience PC |
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| Intel® Core™ i7 processor |
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| Intel® Core™2 Quad processors |
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| Microsoft Office 2007 Professional 60-day free trial |
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| Security and PC management tools |
| ThinkVantage® Technologies Solution |
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| ThinkVantage® Client Security Solution |
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| ThinkVantage® Rescue and Recovery |
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| Fingerprint reader keyboard |
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| Business-friendly features |
| Latest 45nm CPU support |
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| ThinkCentre® stable platform |
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| Tool-free chasis design |
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| Cost-saving/energy conservation features |
| ThinkVantage Power Manager |
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| Energy-efficient features |
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