Dell Latitude D420
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    Dell Studio 1557
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    General Class Portable Laptop Standard Laptop
    Operating Sistem Windows Vista
    Body Dimensions 11.60 in x 1.00 in x 8.26 in14.63 in x 1.23 in x 9.96 in
    Weight 1.36 kg (3 lb)2.51 kg (5.54 lb)
    Color Black, Gray
    Display Size 12.1 inches15.6 inches
    Resolution 1366x768
    LED NoYes
    3D NoNo
    Features Surface finish:Glossy
    Processor Name Intel YonahIntel Core i7
    Cache L2 Cache:2.0 MB
    Chipset Intel 945GMSIntel PM55
    Features Front side bus (FSB):533 MHz
    Graphics Type Integrated cardDedicated card
    Name IntelAMD / ATI Radeon / Mobility Radeon HD 4570
    Memory 512 MB
    Memory Capacity 0.5 GB1 GB
    Max Capacity 2 GB8 GB
    Max Capacity Per Slot 2 GB4 GB
    Type DDR2-533 MHzDDR3-1066 MHz
    Slots 11
    Total Slots 22
    Storage Capacity
    RPM
    Type Hard Disc (HDD)
    Interface SATA
    Optical Type Yes
    Networking LAN 1000 mbps1000 mbps
    Wifi YesYes (802.11a, 802.11b, 802.11g, 802.11n)
    Bluetooth Yes EDR:No
    Modem Yes
    Infrared Yes
    Wimax No
    UWB No
    Interfaces USB Powered while off:No2 Version:2.0
    HDMI Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata NoYes (1)
    FireWire Yes (1)Yes (1)
    Expansion Slot PC Card (PCMCIA), Mini PCIExpressCard (34), Mini PCI
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Yes
    Multi Purpose DriveBay NoNo
    Docking Station Port YesNo
    Devices Keyboard
    Pointing Touchpad (2 Buttons, Multitouch), Pointing stick (2 Buttons)Touchpad (2 Buttons)
    Speakers Speakers total power:2W
    Camera NoYes, 2 megapixels
    Microphone YesYes
    Security Features Fingerprint reader
    Baterry Cells 4 cells6 cells
    Type Li-IonLi-Ion
    Other Adapter power consumption:Typical: 65 W Power adapter voltage:100 V - 240 V, 50 Hz, 60 HzAdapter power consumption:Typical: 65 W Power adapter voltage:100 V - 240 V

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