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ProcessorDell Inspiron 15R (Touch)- W540778IN8 
ProcessorIntel Core i3-3227U
Processor Speed1.9 GHz
Cache3MB
MemoryDell Inspiron 15R (Touch)- W540778IN8
RAM4GB
Memory TypeDDR3
Processor Speed1600 MHz
Hard DriveDell Inspiron 15R (Touch)- W540778IN8
Hard Drive Size500GB
Hard Drive RPM5400
Format2.5 inch
Optical DriveDVD Writer
DisplayDell Inspiron 15R (Touch)- W540778IN8
Screen Size15.6 inches
Screen Resolution  (dpi)1366 x 768
Panel TypeLED Backlit Touch Display
ChipsetDell Inspiron 15R (Touch)- W540778IN8
GPU ModelIntel HD Graphics 4000
HDMI Portyes
NetworkDell Inspiron 15R (Touch)- W540778IN8
Ethernet Port1
Ethernet Type10/100
WiFi Type802.11b/g/n
AudioDell Inspiron 15R (Touch)- W540778IN8
SpeakersStereo Speakers
Sound TechnologiesWaves MaxxAudio 4.0
ConnectivityDell Inspiron 15R (Touch)- W540778IN8
USB 2.0 ports2
USB 3.0 ports2
Bluetooth4.0
Built-in CameraYes, 1.0MP
Camera Resolution1280 x 720
Microphoneyes
Digital Media ReaderSD, SDXC, SDHC, MS, MS-Pro, MSXC, MMC, MMC
BatteryDell Inspiron 15R (Touch)- W540778IN8
Battery ChemistryLi-Ion
Battery Cell6 Cell
SoftwareDell Inspiron 15R (Touch)- W540778IN8
Operating SystemWindows 8
DimensionsDell Inspiron 15R (Touch)- W540778IN8
Dimensions (W x D x H)376 x 259 x 31.3 mm
Weight2.32 Kg