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DisplayLenovo ThinkPad W520 42762QF 
Screen Size15.60 "
Display Screen TypeActive Matrix TFT Color LCD
Aspect Ratio16:9
Screen ModeFull HD
Screen Resolution1920 x 1080
Backlight TechnologyLED
Switchable GraphicsYes
Graphics Controller ManufacturerIntel, NVIDIA
Graphics Controller ModelGMA HD 3000, Quadro 2000M
Graphics Memory CapacityUp to 2 GB
Graphics Memory TechnologyDDR3 SDRAM
Graphics Memory AccessibilityShared, Dedicated
Hard DriveLenovo ThinkPad W520 42762QF
Storage Size500 GB
Hard Drive InterfaceSerial ATA/300
Hard Drive RPM7200
Optical Drive TypeDVD-Writer
MemoryLenovo ThinkPad W520 42762QF
Memory Card SupportedMultiMediaCard (MMC), Secure Digital (SD) Card, Secure Digital High Capacity (SDHC), Secure Digital Extended Capacity (SDXC)
Standard Memory4 GB
Maximum Memory16 GB
Memory TechnologyDDR3 SDRAM
Memory StandardDDR3-1333/PC3-10600
Number of Total Memory Slots4
Memory Card ReaderYes
NetworkLenovo ThinkPad W520 42762QF
Wireless LANYes
Wireless LAN ManufacturerIntel
Wireless LAN ModelCentrino Advanced-N 6205
Wireless LAN StandardIEEE 802.11n
Ethernet TechnologyGigabit Ethernet
BluetoothYes
Bluetooth StandardBluetooth 3.0
DimensionsLenovo ThinkPad W520 42762QF
Height1.4"
Width14.7"
Depth9.7"
Weight (Approximate)92.0 oz
Detailed SpecsLenovo ThinkPad W520 42762QF
WebcamYes
MicrophoneYes
Finger Print ReaderYes
ProcessorLenovo ThinkPad W520 42762QF
Processor ManufacturerIntel
Processor TypeCore i7
Processor Modeli7-2720QM
Processor Speed2.20 GHz
Processor CoreQuad-core (4 Core)
Cache6 MB
vPro TechnologyYes
Chipset ManufacturerIntel
Chipset ModelQM67 Express
SoftwareLenovo ThinkPad W520 42762QF
Operating SystemWindows 7 Professional
Operating System Architecture64-bit
I/O ExpansionsLenovo ThinkPad W520 42762QF
Expansion Slot TypeExpressCard/34
BatteryLenovo ThinkPad W520 42762QF
Battery ChemistryLithium Ion (Li-Ion)
Maximum Battery Run Time10.80 Hour
InterfacesLenovo ThinkPad W520 42762QF
Total Number of USB Ports4
Number of USB 2.0 Ports2
Number of USB 3.0 Ports2
VGAYes
eSATA/USB ComboYes
DisplayPortYes