Dell Studio 1557
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    Lenovo IdeaPad U310-437522U
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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 in
    Weight 2.51 kg (5.54 lb)1.68 kg (3.7 lb)
    Display Size 15.6 inches13.3 inches
    Resolution 1366x7681366x768
    LED Yes
    3D NoNo
    Processor Name Intel Core i7 Intel Core i3 2367M
    Frequence 1.4 GHz
    Cores 2 per processor
    Cache L3 Cache:3.0 MB
    Arhitecture 64-bit
    Technology 32nm
    Chipset Intel PM55
    TDP 17W
    Graphics Type Dedicated cardIntegrated card
    Name AMD / ATI Radeon / Mobility Radeon HD 4570Intel GMA HD 3000
    Memory 512 MB
    Memory Capacity 1 GB4 GB
    Max Capacity 8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3-1066 MHzDDR3
    Slots 12
    Total Slots 2
    Storage Capacity 500 GB
    Size 2.5"
    RPM 5400RPM
    Type Hard Disc (HDD)
    Interface SATA
    Optical Type No
    Networking LAN 1000 mbps
    Wifi Yes (802.11a, 802.11b, 802.11g, 802.11n)Yes (802.11b, 802.11g, 802.11n)
    Modem No
    Infrared No
    Wimax No
    UWB No
    Interfaces USB 2 Version:2.0Powered while off:No
    HDMI YesYes
    VGA YesYes
    LAN RJ-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 Yes
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons, Multitouch)
    Camera Yes, 2 megapixelsYes, 1 megapixels
    Microphone YesYes
    Security Features
    Baterry Cells 6 cells3 cells
    Type Li-IonLi-Pol
    Other Adapter power consumption:Typical: 65 W Power adapter voltage:100 V - 240 V

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