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Processor & ChipsetLenovo ThinkPad E550 20DF0038US 
Processor ManufacturerIntel
Processor TypeCore i3
Processor Generation5th Gen
Processor Modeli3-5005U
Processor Speed2 GHz
Processor CoreDual-core (2 Core)
Cache3 MB
Direct Media Interface5 GT/s
64-bit ProcessingYes
Hyper-ThreadingYes
vPro TechnologyNo
Chipset ManufacturerIntel
MemoryLenovo ThinkPad E550 20DF0038US
Standard Memory4 GB
Maximum Memory16 GB
Memory TechnologyDDR3L SDRAM
Memory StandardDDR3L-1600/PC3-12800
Number of Total Memory Slots2
Memory Card ReaderYes
Memory Card SupportedSD
SDHC
SDXC
MultiMediaCard (MMC)
StorageLenovo ThinkPad E550 20DF0038US
HDD Capacity500 GB
Hard Drive InterfaceSerial ATA/600
Hard Drive RPM7200
Optical Drive TypeDVD-Writer
Optical Media SupportedDVD±R/±RW
Display & GraphicsLenovo ThinkPad E550 20DF0038US
Screen Size15.6"
Display Screen TypeLCD
Aspect Ratio16:9
Screen ModeHD
Screen Resolution1366 x 768
Backlight TechnologyLED
TouchscreenNo
HDCP SupportedYes
Graphics Controller ManufacturerIntel
Graphics Controller ModelHD Graphics 5500
Graphics Memory TechnologyDDR3L SDRAM
Graphics Memory AccessibilityShared
Network & CommunicationLenovo ThinkPad E550 20DF0038US
Wireless LANYes
Wireless LAN ManufacturerIntel
Wireless LAN ModelDual Band Wireless-AC 3160
Wireless LAN StandardIEEE 802.11a/b/g/n/ac
WimaxNo
Ethernet TechnologyGigabit Ethernet
BluetoothYes
Bluetooth StandardBluetooth 4.0
WWAN SupportedNo
Built-in DevicesLenovo ThinkPad E550 20DF0038US
Front Camera/WebcamYes
MicrophoneYes
Finger Print ReaderYes
SpeakersYes
Interfaces/PortsLenovo ThinkPad E550 20DF0038US
HDMIYes
Total Number of USB Ports3
Number of USB 2.0 Ports1
Number of USB 3.0 Ports2
VGAYes
Network (RJ-45)Yes
Headphone/Microphone Combo PortYes
SoftwareLenovo ThinkPad E550 20DF0038US
Operating System PlatformWindows
Operating SystemWindows 7 Professional Upgradable to Windows 8.1 Pro
Operating System Architecture64-bit
Input DevicesLenovo ThinkPad E550 20DF0038US
KeyboardYes
Pointing Device TypeClickPad
Trackpoint
TouchPad FeaturesMulti-touch Gesture
Battery InformationLenovo ThinkPad E550 20DF0038US
Number of Cells6-cell
Battery ChemistryLithium Ion (Li-Ion)
Battery Energy48 Wh
Maximum Battery Run Time9 Hour
Power DescriptionLenovo ThinkPad E550 20DF0038US
Maximum Power Supply Wattage45 W
Physical CharacteristicsLenovo ThinkPad E550 20DF0038US
ColorGraphite Black
Height1.1"
Width86"
Depth6"
Weight (Approximate)5.37 lb