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Basic Specs Sony VAIO VGN-Z820GSony Vaio VGN-Z820G 
Typenotebook
Operating SystemWin 7 Professional
Processor Sony VAIO VGN-Z820GSony Vaio VGN-Z820G
ProcessorCore 2 Duo 2530 MHz
Processor ModelP8700
Number of Cores2
L2 cache3 MB
The system bus1066
Chipset ModelIntel GM45
Memory Sony VAIO VGN-Z820GSony Vaio VGN-Z820G
Memory4096 MB DDR3 1066 MHz
Maximum Memory8192 MB
Number of Total Memory Slots2
Display Sony VAIO VGN-Z820GSony Vaio VGN-Z820G
Display13.1-inch, 1600x900, widescreen
Backlight TechnologyLED
Graphics Controllerdiscrete and integrated
Graphics Chipset ModelNVIDIA GeForce 9300M GS
Graphics Memory256 MB
Storage Devices Sony VAIO VGN-Z820GSony Vaio VGN-Z820G
Optical Drive TypeDVD-RW, internal
Storage Size320 GB Serial ATA
Hard Drive Speed7200 r/min
Communication Sony VAIO VGN-Z820GSony Vaio VGN-Z820G
LAN/ModemNIC 1000 Mbit/s, a fax modem
Wireless Communicationbluetooth, Wi-Fi 802.11n
InterfacesUSB 2.0x2, FireWire, Connector for docking station, VGA (D-Sub), HDMI, LAN (RJ-45) and modem (RJ-11)
Expansion slots Sony VAIO VGN-Z820GSony Vaio VGN-Z820G
ExpressCard slotExpressCard/34
Memory Card ReaderYes
Memory Card SupportMS, SD
Battery Sony VAIO VGN-Z820GSony Vaio VGN-Z820G
Maximum Battery Run Time5.5 hours
Battery ChemistryLi-Ion
Input Devices Sony VAIO VGN-Z820GSony Vaio VGN-Z820G
Pointing Device TypeTouchpad
Number of keyboard keys82
Audio Sony VAIO VGN-Z820GSony Vaio VGN-Z820G
SpeakersYes
MicrophoneYes
Detailed Specs Sony VAIO VGN-Z820GSony Vaio VGN-Z820G
Determination of coordinatesGPS
WebcamYes
FingerprintYes
Dimensions (HxWxT)315x210.8x33 mm
Weight1.5 kg