QuickSpecs

QuickSpecsHP ProBook 6450b Notebook PC HP ProBook6550b Notebook PCStandard Features (availability may vary by country)ProcessorsIntel Quad-Core Processor (models with discrete graphics only)Intel Core i7-740QM Processor (1.73 GHz, 45W, 6 MB L3 cache)*Up to 2.93 GHz with Intel Turbo Boost TechnologyIntel Core i7-720QM Processor (1.60 GHz, 45W, 6 MB L3 cache)*Up to 2.80 GHz with Intel Turbo Boost TechnologyIntel Dual-Core ProcessorsIntel Core i7-620M Processor (2.66 GHz, 35W, 4 MB L3 cache)*Up to 3.33 GHz with Intel Turbo Boost TechnologyIntel Core i5-580M Processor (2.66 GHz, 35W, 3 MB L3 cache)*Up to 3.33 GHz with Intel Turbo Boost TechnologyIntel Core i5-560M Processor (2.66 GHz, 35W, 3 MB L3 cache)*Up to 3.20 GHz with Intel Turbo Boost TechnologyIntel Core i5-540M Processor (2.53 GHz, 35W, 3 MB L3 cache)*Up to 3.06 GHz with Intel Turbo Boost TechnologyIntel Core i5-520M Processor (2.40 GHz, 35W, 3 MB L3 cache)*Up to 2.93 GHz with Intel Turbo Boost TechnologyIntel Core i5-460M Processor (2.53 GHz, 35W, 3 MB L3 cache)*Up to 2.80 GHz with Intel Turbo Boost TechnologyIntel Core i5-450M Processor (2.40 GHz, 35W, 3 MB L3 cache)*Up to 2.66 GHz with Intel Turbo Boost TechnologyIntel Core i3-380M Processor (2.53 GHz, 35W, 3 MB L3 cache)*Intel Core i3-370M Processor (2.40 GHz, 35W, 3 MB L3 cache)*Intel Core i3-350M Processor (2.26 GHz, 35W, 3 MB L3 cache)*Intel Celeron P4600 Processor (2.0 GHz, 35W, 2 MB L3 cache)*Intel Celeron P4500 Processor (1.80 GHz, 35W, 2 MB L3 cache)** Intel's numbering is not a measurement of higher performance.NOTE: Processor speed denotes maximum performance mode; processors will run at lowerspeeds in battery optimization mode.Operating System Preinstalled Genuine Windows 7 Professional Edition 32*Genuine Windows 7 Professional Edition 64*Genuine Windows 7 Home Premium Edition 32*Genuine Windows 7 Home Premium Edition 64*Genuine Windows 7 Home Basic Edition 32* (select countries)Genuine Windows Vista Business 32**Genuine Windows Vista Home Basic 32**Genuine Windows Vista Business available thorough downgraderightsfrom Genuine Windows 7 Professional 32Red Flag Linux (PRC only)FreeDOSSupported Genuine Windows 7 Enterprise 32*Genuine Windows 7 Enterprise 64*Genuine Windows 7 Ultimate 32*Genuine Windows 7 Ultimate 64*Genuine Windows Vista Enterprise 32**Genuine Windows Vista Enterprise 64**Certified SuSE Linux Enterprise Desktop 11* System may require upgraded and/or separately purchased hardware and/or a DVD drive toinstall the Windows 7 software and take full advantage of Windows 7 functionality. Seehttp://www.microsoft.com/windows/windows-7/ for details.DA - 13616 Worldwide QuickSpecs — Version 12 — 9-27-2010 Page 6