Pioneer Computers DreamBook Power W87
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    Lenovo ThinkPad W520
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    General Class Gaming Laptop Standard Laptop
    Operating Sistem Windows 7
    Body Dimensions 16.22 in x 10.98 in x 1.89 in14.68 in x 1.41 in x 9.65 in
    Weight 4.00 kg (8.82 lb)2.70 kg (5.95 lb)
    Color BlackBlack
    Display Size 17.3 inches15.6 inches
    Resolution 1920x1080
    LED NoYes
    3D NoNo
    Features Surface finish:Glossy
    Processor Name Intel Core i3 330MIntel Core i5 2520M
    Frequence 2.13 GHz2.5 GHz
    Cores 2 per processor2 per processor
    Cache L3 Cache:3.0 MBL3 Cache:3.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm32nm
    Chipset Intel PM55 chipset
    TDP 35W35W
    Graphics Type Dedicated cardDedicated card
    Name NVIDIA GeForce GTX 280MNVIDIA Quadro 1000M
    Memory 1024 MB2048 MB
    Memory Capacity 1 GB
    Max Capacity 8 GB32 GB
    Max Capacity Per Slot 4 GB8 GB
    Type DDR3-1333 MHzDDR3
    Slots 1
    Total Slots 24
    Storage Capacity 160 GB160 GB
    Size 2.5"
    RPM 5400RPM7200RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATA (Bays (total): 2, Bays (in use): 1)SATA
    Features RAID support:Yes
    Optical Type Reading support: CD DVD
    Writing support: CD DVD    		Yes
    Networking LAN 1000 mbps
    Wifi Yes (802.11a, 802.11g, 802.11n)
    Modem Yes
    Interfaces USB 4 Version:2.03 Powered while off:Yes
    HDMI Yes
    VGA Yes
    LAN RJ-45
    ESata Yes (1)Yes (1)
    FireWire Yes (1)No
    Expansion Slot ExpressCard (54, 34)ExpressCard (34), PCI Express Mini
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Memory Stick, Memory Stick Duo, Memory Stick PRO, SD, miniSD, MMC, RS-MMCMMC
    Multi Purpose DriveBay No
    Docking Station Port No
    Other DVI, Digital audio output
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons), Pointing stick (2 Buttons)
    Speakers Subwoofer
    Camera Yes, 2 megapixelsYes
    Microphone YesYes
    Security Features Kensington lock
    Baterry Cells 9 cells
    Type Li-Ion
    Autonomy 10.7 Hours

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