Dell Studio 1557
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    Toshiba Qosmio X775-Q7270
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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 in16.28 in x 1.73 in x 10.79 in
    Weight 2.51 kg (5.54 lb)3.40 kg (7.5 lb)
    Color Black
    Display Size 15.6 inches17.3 inches
    Resolution 1366x7681600x900
    LED YesYes
    3D NoNo
    Processor Name Intel Core i7 Intel Core i7 2630QM
    Frequence 2 GHz
    Cores 4 per processor
    Cache L3 Cache:6.0 MB
    Arhitecture 64-bit
    Technology 32nm
    Chipset Intel PM55
    TDP 45W
    Graphics Type Dedicated cardDedicated card
    Name AMD / ATI Radeon / Mobility Radeon HD 4570NVIDIA GeForce GTX 560M
    Memory 512 MB1536 MB
    Memory Capacity 1 GB8 GB
    Max Capacity 8 GB8 GB
    Max Capacity Per Slot 4 GB4 GB
    Type DDR3-1066 MHzDDR3
    Slots 12
    Total Slots 22
    Storage Capacity HDD:1000 GB, SSD:8 GB
    RPM 7200RPM
    Type Hard Disc (HDD), Solid State Drive (SSD)
    Optical Type Reading support: CD DVD BD
    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)
    Bluetooth Yes Version:3.0
    Modem No
    Infrared No
    Wimax No
    UWB No
    Interfaces USB 2 Version:2.04 Powered while off:Yes
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)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, miniSD, microSD, xD-Picture Card, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (Multitouch)
    Camera Yes, 2 megapixelsYes, 1.3 megapixels
    Microphone YesYes
    Security Features Kensington lock
    Baterry Cells 6 cells
    Type Li-IonLi-Ion
    Autonomy 2.5 Hours
    Other Adapter power consumption:Typical: 65 W Power adapter voltage:100 V - 240 VPower adapter voltage:100 V - 240 V

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