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Compare series details Y450 Y550 Y550P Y650 Y730
Core technology
Genuine Windows® 7 Home Premium
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Windows® 7 Lenovo Enhanced Experience PC
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Genuine Windows Vista® Home Premium
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Intel® Core™ processors
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DDR3 memory
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Display and graphics
LED backlight panel
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Discrete graphics solutions
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Integrated graphics solutions
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Security and protection
VeriFace™ face-recognition software
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Lenovo OneKey™ Rescue System
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Warranty and support
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Built-in solutions and convenience
Multitouch pad
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Lenovo Desktop Navigator
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Ambient light sensor
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Hot-swappable secondary hard drive
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Entertainment
Dolby® Home Theater™ audio
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Lenovo OneKey™ Theater
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GameZone keypad
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Eco-friendly
EPEAT Gold environmental rating
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EPEAT Silver environmental rating
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Energy Star compliant
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RoHS compliant
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Y450 Y550 Y550P Y650 Y730