HP ProBook 6540b
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    Lenovo IdeaPad Z575 129934U
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    General Class Standard Laptop Standard Laptop
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 14.62 in x 9.76 in x 1.37 in14.80 in x 1.40 in x 9.84 in
    Weight 2.51 kg (5.53 lb)2.60 kg (5.73 lb)
    Color Black
    Display Size 15.6 inches15.6 inches
    Resolution 1366x768
    LED Yes
    3D NoNo
    Features Surface finish:Glossy
    Processor Name Intel Core i5 i5-430MAMD Other A6-3400M
    Frequence 2.26 GHz1.4 GHz
    Cores 2 per processor4 per processor
    Cache L3 Cache:3.0 MBL2 Cache:4.0 MB
    Arhitecture 32-bit64-bit
    Technology 45nm32nm
    Chipset Mobile Intel HM57 Express
    TDP 2.5W35W
    Features Front side bus (FSB):667 MHz
    Graphics Type Integrated cardIntegrated card
    Name Intel Intel Graphics Media Accelerator HDATI Mobility Radeon HD 6520G
    Memory Capacity 4 GB
    Max Capacity 4 GB8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3DDR3
    Slots 22
    Total Slots 2
    Storage Capacity 160 GB750 GB
    Size 2.5"
    RPM 7200RPM5400RPM
    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 mbps100 mbps
    Wifi Yes (802.11b, 802.11g, 802.11n)Yes (802.11b, 802.11g, 802.11n)
    Bluetooth Yes Version:2.1No
    Modem No
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 4 Version:2.04 Version:2.0
    HDMI Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata NoYes (1)
    Thunderbolt No
    FireWire NoNo
    Expansion Slot ExpressCard (54)
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader YesMemory Stick, Memory Stick PRO, SD, xD-Picture Card, MMC
    Multi Purpose DriveBay No
    Docking Station Port No
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons, Multitouch)
    Speakers Speakers total power:4W
    Camera YesYes, 0.3 megapixels
    Microphone YesYes
    Security Features Fingerprint reader, Smart Card reader Face recognition webcam
    Baterry Cells 6 cells6 cells
    Type Li-IonLi-Ion
    Capacity 55 WHr

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