HP ProBook 6540b
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    Acer Aspire 5551
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    General Class Standard Laptop Desktop replacement
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 14.62 in x 9.76 in x 1.37 in15.00 in x 1.30 in x 10.00 in
    Weight 2.51 kg (5.53 lb)2.59 kg (5.7 lb)
    Color BlackBlack
    Display Size 15.6 inches15.6 inches
    Resolution 1366x768
    LED Yes
    3D NoNo
    Processor Name Intel Core i5 i5-430MAMD Athlon II P320
    Frequence 2.26 GHz2.1 GHz
    Cores 2 per processor2 per processor
    Cache L3 Cache:3.0 MBL2 Cache:0.5 MB
    Arhitecture 32-bit64-bit
    Technology 45nm45nm
    Chipset Mobile Intel HM57 ExpressAMD M880G
    TDP 2.5W25W
    Features Front side bus (FSB):667 MHzFront side bus (FSB):25 MHz
    Graphics Type Integrated cardIntegrated card
    Name Intel Intel Graphics Media Accelerator HDATI Mobility Radeon HD4250
    Memory Capacity 2 GB
    Max Capacity 4 GB4 GB
    Max Capacity Per Slot 2 GB
    Type DDR3DDR3-1066 MHz
    Slots 21
    Total Slots 2
    Storage Capacity 160 GB250 GB
    RPM 7200RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA
    Optical Type Reading 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 Yes Version:2.1No
    Modem No
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 4 Version:2.03 Version:2.0 Powered while off:No
    HDMI Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata NoNo
    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)
    Camera YesYes
    Microphone YesYes
    Security Features Fingerprint reader, Smart Card reader
    Baterry Cells 6 cells
    Type Li-Ion
    Capacity 55 WHr
    Other Adapter power consumption:Typical: 65 W

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