Dell Studio 1557
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    HP Pavilion dv7-6B55DX
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    General Class Standard Laptop Desktop replacement
    Operating Sistem Windows 7
    Body Dimensions 14.63 in x 1.23 in x 9.96 in16.38 in x 1.42 in x 10.83 in
    Weight 2.51 kg (5.54 lb)32.66 kg (72 lb)
    Color Black
    Display Size 15.6 inches17.3 inches
    Resolution 1366x7681600x900
    LED YesYes
    3D NoNo
    Processor Name Intel Core i7 Intel Core i5 2430M
    Frequence 2.4 GHz
    Cores 2 per processor
    Cache L3 Cache:3.0 MB
    Arhitecture 64-bit
    Technology 32nm
    Chipset Intel PM55
    TDP 35W
    Graphics Type Dedicated cardIntegrated card
    Name AMD / ATI Radeon / Mobility Radeon HD 4570Intel HD Graphics 3000
    Memory 512 MB
    Features Processor clock:5 MHz
    Memory Capacity 1 GB8 GB
    Max Capacity 8 GB16 GB
    Max Capacity Per Slot 4 GB
    Type DDR3-1066 MHzDDR3
    Slots 1
    Total Slots 22
    Storage Capacity 750 GB
    RPM 5400RPM
    Type Hard Disc (HDD)
    Features Accelerometer for HDD protection:Yes
    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 (802.11b, 802.11g, 802.11n), Intel WiDi
    Bluetooth No
    Modem No
    Infrared No
    Wimax Yes
    UWB No
    Interfaces USB 2 Version:2.04 Version:3.0
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)No
    Thunderbolt No
    FireWire Yes (1)No
    Expansion Slot ExpressCard (34), Mini PCI
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader SD, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Other Surround sound analog outputs (Type: 5.1)
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (Multitouch)
    Camera Yes, 2 megapixelsYes
    Microphone YesYes
    Security Features Kensington lock, Fingerprint reader
    Baterry Cells 6 cells9 cells
    Type Li-IonLi-Ion
    Capacity 100 WHr
    Other Adapter power consumption:Typical: 65 W Power adapter voltage:100 V - 240 VAdapter power consumption:Max: 65 W

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