Dell Studio 1558
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    HP Pavilion dv7-3180us
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    General Class Standard Laptop Desktop replacement
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 14.60 in x 1.50 in x 10.00 in16.20 in x 1.37 in x 10.90 in
    Weight 2.51 kg (5.54 lb)3.51 kg (7.74 lb)
    Color Black, GreenBlack
    Display Size 15.6 inches17.3 inches
    Resolution 1600x900
    LED Yes
    3D No
    Processor Name Intel Core i3 330MIntel Core i7 720QM
    Frequence 2.13 GHz2.8 GHz
    Cores 2 per processor4 per processor
    Cache L3 Cache:3.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm45nm
    TDP 35W45W
    Graphics Type Integrated cardDedicated card
    Name Intel HD GraphicsNVIDIA GeForce GT 230M
    Memory 1024 MB
    Memory Capacity 3 GB6 GB
    Max Capacity 8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3-1066 MHzDDR3
    Slots 22
    Total Slots 2
    Storage Capacity 250 GB640 GB
    RPM 5400RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA
    Features Accelerometer for HDD protection:Yes
    Optical Type Reading support: CD DVD
    Writing support: CD DVD    		Yes
    Features Disc labeling:Yes (LightScribe)
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11n)Yes (802.11b, 802.11g, 802.11n)
    Bluetooth Yes
    Modem No
    Infrared NoYes
    Wimax No
    UWB No
    Interfaces USB 2 Version:2.0 Powered while off:Yes4 Version:2.0
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)Yes (1)
    FireWire Yes (1)Yes (1)
    Expansion Slot ExpressCard (34), PC Card (PCMCIA)ExpressCard (54, 34)
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Memory Stick, Memory Stick PRO, SD, SDHC, xD-Picture Card, MMC
    Multi Purpose DriveBay No
    Docking Station Port No
    Devices Keyboard
    Pointing Touchpad (2 Buttons)
    Camera Yes, 2 megapixels
    Microphone Yes
    Security Features
    Baterry Cells 6 cells8 cells
    Type Li-IonLi-Ion
    Capacity 56 WHr

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