Dell Precision M90
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    Lenovo Essential B470 431523U
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    General Class Desktop replacement Standard Laptop
    Operating Sistem Windows Vista Windows 7
    Body Dimensions 15.50 in x 1.60 in x 11.30 in13.39 in x 1.32 in x 9.24 in
    Weight 3.90 kg (8.6 lb)2.20 kg (4.85 lb)
    Color Black, GrayGray
    Display Size 17 inches14 inches
    Resolution 1920x12001366x768
    LED YesYes
    3D NoNo
    Features Surface finish:Glossy
    Processor Name Intel Core 2 Duo T7600Intel Core i5 2410M
    Frequence 2.33 GHz2.3 GHz
    Cores 2 per processor2 per processor
    Cache L2 Cache:4.0 MBL3 Cache:3.0 MB
    Arhitecture 64-bit64-bit
    Technology 65nm32nm
    TDP 34W35W
    Features Front side bus (FSB):667 MHz
    Graphics Type Dedicated cardDedicated card, Integrated card
    Name NVIDIA Quadro FX 1500MNVIDIA GeForce GT 410M
    Memory 256 MB1024 MB
    Name Intel HD Graphics 3000
    Features Processor clock:650 MHz
    Memory Capacity 0.5 GB4 GB
    Max Capacity 4 GB
    Type DDR2-667 MHzDDR3-1333 MHz
    Slots 2
    Total Slots 22
    Storage Capacity 120 GB250 GB
    RPM 5400RPM5400RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA
    Optical Type Reading support: CD DVD
    Writing support: CD DVD    		Reading support: CD DVD
    Writing support: CD DVD
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11a, 802.11g)Yes (802.11b, 802.11g, 802.11n), Intel WiDi
    Bluetooth NoYes Version:2.1 EDR:Yes
    Modem YesNo
    Infrared NoNo
    Wimax NoYes
    UWB NoNo
    Broadband Wireless GSM (3G)
    Interfaces USB 6 Version:2.0 Powered while off:No4 Version:2.0
    HDMI Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata NoYes (1)
    Thunderbolt No
    FireWire Yes (1)No
    Expansion Slot ExpressCard (54, 34)
    Microphone Microphone in 3.5mm
    Headphone Audio out 3.5mm
    Card Reader YesMemory Stick, Memory Stick PRO, SD, SDHC, xD-Picture Card, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port YesNo
    Other DVI, S-Video1/8” stereo headphone output & microphone input combo jack
    Devices Keyboard
    Pointing Touchpad (2 Buttons, Multitouch)Touchpad (2 Buttons)
    Speakers Speakers total power:3W
    Camera NoYes, 0.3 megapixels
    Microphone YesYes
    Security Features Kensington lock, Fingerprint reader
    Baterry Cells 9 cells6 cells
    Type Li-IonLi-Ion
    Capacity 85 WHr
    Autonomy 3 Hours
    Other Adapter power consumption:Typical: 130 W Power adapter voltage:100 V - 240 V, 50 Hz, 60 Hz

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