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General InformationDell Inspiron 17R 7720 
Dimensions(WxHxD)416 x 274 x 30.5  mm
Weight3.3 Kg
ColorsSilver Black
Operating SystemWindows 7 Home Premium
Operating System Type64-bit
DisplayDell Inspiron 17R 7720
Display Size17.3 Inches (43.94 cm)
Display Resolution1920 x 1080 Pixels
Display TypeLED
Display FeaturesHD Clear Super View LED Backlit Display
Display TouchscreenNo
HardwareDell Inspiron 17R 7720
CPUIntel Corei7-3610QM
CPU Speed2.3 Ghz
ChipsetIntel HM77 Express
Graphic ProcessorNVIDIA GeForce GT 650M
Graphics Memory2 GB
MemoryDell Inspiron 17R 7720
Capacity8 GB
RAM typeDDR3
Memory Slots2
Expandable Memory8 GB
Memory Layout2 x 4 Gigabyte
StorageDell Inspiron 17R 7720
HDD Capacity1 TB
HDD Speed(RPM)5400 RPM
HDD typeSATA
BatteryDell Inspiron 17R 7720
Battery Cell6 Cell
Battery typeLi-Ion
Power Supply90 W AC Adapter W
Battery Life6 Hrs
Network & ConnectivityDell Inspiron 17R 7720
Wireless LAN802.11 b/g/n
BluetoothYes
Bluetooth Version4.0
PortsDell Inspiron 17R 7720
USB 3.0 slots3
HDMIYes
SD Card ReaderYes
Headphone JackYes
Microphone JackYes
VGAYes
MediaDell Inspiron 17R 7720
Web-camYes
Web-cam Resolution1.0 MP
SpeakersSkullcandy Speakers
Sound TechnologiesWaves MaxxAudio 4
In-built MicrophoneYes
Microphone TypeDigital Microphone
PeripheralsDell Inspiron 17R 7720
Optical DriveSuper Multi Dual Layer Drive
Pointing DeviceTouchpad with Multi-touch Gesture Support
KeyboardChiclet Keyboard