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DisplayLenovo Essential B590 
Screen Size15.60 "
Display Screen TypeActive Matrix TFT Color LCD
Aspect Ratio16:9
Screen ModeHD
Screen Resolution1366 x 768
Backlight TechnologyLED
Graphics Controller ManufacturerIntel
Graphics Controller ModelHD 3000
Graphics Memory TechnologyDDR3 SDRAM
Graphics Memory AccessibilityShared
Hard DriveLenovo Essential B590
Storage Size320 GB
Hard Drive InterfaceSerial ATA/600
Hard Drive RPM5400
Optical Drive TypeDVD-Writer
MemoryLenovo Essential B590
Memory Card SupportedSecure Digital (SD) Card, Secure Digital High Capacity (SDHC), Secure Digital Extended Capacity (SDXC), MultiMediaCard (MMC)
Standard Memory2 GB
Maximum Memory8 GB
Memory TechnologyDDR3 SDRAM
Memory StandardDDR3-1600/PC3-12800
Number of Total Memory Slots2
Memory Card ReaderYes
NetworkLenovo Essential B590
Wireless LANYes
Wireless LAN ManufacturerLenovo
Wireless LAN StandardIEEE 802.11b/g/n
Ethernet TechnologyGigabit Ethernet
DimensionsLenovo Essential B590
Height1.3"
Width14.9"
Depth9.9"
Weight (Approximate)88.0 oz
ColorBlack
Detailed SpecsLenovo Essential B590
WebcamYes
MicrophoneYes
SpeakersYes
ProcessorLenovo Essential B590
Processor ManufacturerIntel
Processor TypeCore i3
Processor Modeli3-2348M
Processor Speed2.30 GHz
Processor CoreDual-core (2 Core)
Cache3 MB
Chipset ManufacturerIntel
Chipset ModelHM77 Express
SoftwareLenovo Essential B590
Operating SystemWindows 8
Operating System Architecture64-bit
Input DevicesLenovo Essential B590
Pointing Device TypeTouchPad
TouchPad FeaturesMulti-touch Gesture
I/O ExpansionsLenovo Essential B590
Expansion Slot TypeMini PCI Express
BatteryLenovo Essential B590
Battery ChemistryLithium Ion (Li-Ion)
Maximum Battery Run Time6.50 Hour
InterfacesLenovo Essential B590
HDMIYes
Total Number of USB Ports4
Number of USB 2.0 Ports2
Number of USB 3.0 Ports2
VGAYes
Audio Line OutYes