Sony VAIO VGN-FW31J
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    Lenovo B550
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    General Class Desktop replacement Desktop replacement
    Operating Sistem Windows Vista Windows 7
    Body Dimensions 15.12 in x 1.46 in x 10.28 in15.0 in x 1.43 in x 9.65 in
    Weight 3.10 kg (6.83 lb)2.75 kg (6.06 lb)
    Color GrayBlack
    Display Size 16.4 inches15.9 inches
    Resolution 1600x9001366x768
    3D NoNo
    Processor Name Intel Core 2 Duo T6400Intel Celeron T3100
    Frequence 2 GHz1.9 GHz
    Cores 2 per processor2 per processor
    Cache L2 Cache:1.0 MB
    Arhitecture 64-bit64-bit
    Technology 45nm45nm
    Chipset Intel PM45 Express
    TDP 35W35W
    Features Front side bus (FSB):800 MHzFront side bus (FSB):800 MHz
    Graphics Type Dedicated cardIntegrated card
    Name ATI Mobility Radeon HD 3470Intel GMA 4500M
    Memory 256 MB
    Memory Capacity 4 GB
    Max Capacity 4 GB8 GB
    Max Capacity Per Slot 4 GB
    Type DDR2DDR3-1066 MHz
    Slots 2
    Total Slots 22
    Storage Capacity 400 GB160 GB
    Size 2.5"
    RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA
    Optical Type Reading support: CD DVD BDReading support: CD DVD
    Writing support: CD DVD
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11b, 802.11g, 802.11n)Yes (802.11b, 802.11g, 802.11n)
    Bluetooth No
    Modem Yes
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 3 Version:2.0 Powered while off:No3 Version:2.0 Powered while off:No
    HDMI Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata NoNo
    FireWire Yes (1)No
    Expansion Slot ExpressCard (34)
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Memory Stick, Memory Stick PRO, SD
    Multi Purpose DriveBay No
    Docking Station Port No
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons)
    Speakers Speakers total power:4W
    Camera Yes, 1.3 megapixelsYes, 0.3 megapixels
    Microphone YesYes
    Security Features
    Baterry Cells 6 cells
    Type Li-Ion
    Autonomy 3 Hours

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