Dell Studio 1557
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    HP ProBook 6445b
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    General Class Standard Laptop Portable Laptop
    Operating Sistem Windows 7
    Body Dimensions 14.63 in x 1.23 in x 9.96 in13.35 in x 9.30 in x 1.33 in
    Weight 2.51 kg (5.54 lb)1.03 kg (2.26 lb)
    Color Gray
    Display Size 15.6 inches14 inches
    Resolution 1366x768
    LED YesYes
    3D NoNo
    Features Surface finish:Glossy
    Processor Name Intel Core i7 AMD Turion II M600
    Frequence 2.4 GHz
    Cores 2 per processor
    Cache L2 Cache:2.0 MB
    Arhitecture 64-bit
    Chipset Intel PM55AMD M880G
    TDP 35W
    Graphics Type Dedicated cardIntegrated card
    Name AMD / ATI Radeon / Mobility Radeon HD 4570ATI Mobility Radeon HD 4200
    Memory 512 MB
    Memory Capacity 1 GB1 GB
    Max Capacity 8 GB8 GB
    Max Capacity Per Slot 4 GB4 GB
    Type DDR3-1066 MHzDDR2-800 MHz
    Slots 12
    Total Slots 22
    Storage Capacity 160 GB
    RPM 5400RPM
    Type Hard Disc (HDD)
    Interface SATA
    Optical Type Reading support: CD DVD BD
    Writing support: CD DVD
    Features Disc labeling:Yes (LightScribe)
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11a, 802.11b, 802.11g, 802.11n)Yes (802.11a, 802.11g, 802.11n)
    Bluetooth Yes Version:2.1
    Modem Yes
    Infrared No
    Wimax No
    UWB No
    Interfaces USB 2 Version:2.04 Version:2.0
    HDMI Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)No
    FireWire Yes (1)Yes (1)
    Expansion Slot ExpressCard (34), Mini PCIExpressCard (54)
    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 NoYes
    Other DisplayPort
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad
    Camera Yes, 2 megapixels
    Microphone YesYes
    Security Features
    Baterry Cells 6 cells9 cells
    Type Li-IonLi-Ion
    Capacity 93 WHr
    Other Adapter power consumption:Typical: 65 W Power adapter voltage:100 V - 240 V

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