Dell Studio 1557
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    BenQ Joybook X31
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    General Class Standard Laptop Portable Laptop
    Operating Sistem Windows Vista
    Body Dimensions 14.63 in x 1.23 in x 9.96 in12.60 in x 9.02 in x 1.00 in
    Weight 2.51 kg (5.54 lb)
    Display Size 15.6 inches13.3 inches
    Resolution 1366x7681280x800
    LED Yes
    3D NoNo
    Processor Name Intel Core i7 Intel Core 2 Duo LV L7500
    Frequence 1.6 GHz
    Cores 2 per processor
    Cache L2 Cache:4.0 MB
    Arhitecture 64-bit
    Technology 65nm
    Chipset Intel PM55Mobile Intel PM965 Express
    TDP 17W
    Features Front side bus (FSB):800 MHz
    Graphics Type Dedicated cardDedicated card
    Name AMD / ATI Radeon / Mobility Radeon HD 4570NVIDIA GeForce 8600M GT
    Memory 512 MB
    Memory Capacity 1 GB0.5 GB
    Max Capacity 8 GB4 GB
    Max Capacity Per Slot 4 GB
    Type DDR3-1066 MHzDDR2
    Slots 1
    Total Slots 2
    Storage Capacity 160 GB
    Size 2.5"
    RPM 5400RPM
    Type Hard Disc (HDD)
    Interface SATA
    Optical Type Reading support: CD DVD
    Writing support: CD DVD
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11a, 802.11b, 802.11g, 802.11n)Yes (802.11a, 802.11b, 802.11g, 802.11n)
    Modem Yes
    Wimax No
    UWB No
    Interfaces USB 2 Version:2.0
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)No
    FireWire Yes (1)No
    Expansion Slot ExpressCard (34), Mini PCIExpressCard
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Memory Stick, Memory Stick PRO, SD, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad
    Speakers Speakers total power:3W
    Camera Yes, 2 megapixelsYes, 0.3 megapixels
    Microphone YesYes
    Security Features
    Baterry Cells 6 cells4 cells
    Type Li-IonLi-Ion
    Capacity 29.6 WHr / 2000 mAh
    Autonomy 2 Hours
    Other Adapter power consumption:Typical: 65 W Power adapter voltage:100 V - 240 V

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