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General InformationLenovo Essential B40-70 (59-425079) 
Dimensions(WxHxD)340 x 247 x 24.5  mm
Weight2.15 Kg
ColorsBlack
Operating SystemDOS
Operating System Type64-bit
DisplayLenovo Essential B40-70 (59-425079)
Display Size14.0 Inches (35.56 cm)
Display Resolution1366 x 768 Pixels
Display TypeLED
Display FeaturesHD LED Display
Display TouchscreenNo
HardwareLenovo Essential B40-70 (59-425079)
CPUIntel Core i3-4010U (4th Gen)
CPU Speed1.7 Ghz
Graphic ProcessorIntel HD 4400
MemoryLenovo Essential B40-70 (59-425079)
Capacity4 GB
RAM typeDDR3
RAM speed1600 Mhz
Memory Slots2
Expandable Memory8 GB
StorageLenovo Essential B40-70 (59-425079)
HDD Capacity500 GB
HDD Speed(RPM)7200 RPM
HDD typeSATA
BatteryLenovo Essential B40-70 (59-425079)
Battery Cell6 Cell
Battery typeLi-Ion
Power Supply65 W AC Adapter W
Battery Life4 Hrs
Network & ConnectivityLenovo Essential B40-70 (59-425079)
Wireless LAN802.11 b/g/n
BluetoothYes
Bluetooth Version4.0
PortsLenovo Essential B40-70 (59-425079)
USB 3.0 slots1
USB 2.0 slots2
HDMIYes
SD Card ReaderYes
Headphone JackYes
Microphone JackYes
VGAYes
MediaLenovo Essential B40-70 (59-425079)
Web-camYes
Web-cam Resolution0.3 MP
SpeakersStereo Speakers
In-built MicrophoneYes
PeripheralsLenovo Essential B40-70 (59-425079)
Optical DriveDVD R/W Drive
Drive TypeDVD Writer
Pointing DeviceTouchpad
KeyboardStandard Keyboard