HP ProBook 6540b
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    Acer Aspire 8942
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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 in17.34 in x 1.73 in x 11.62 in
    Weight 2.51 kg (5.53 lb)4.58 kg (10.1 lb)
    Color BlackBlack
    Display Size 15.6 inches18.4 inches
    Resolution 1920x1080
    LED Yes
    3D NoNo
    Features Surface finish:Glossy
    Processor Name Intel Core i5 i5-430MIntel Core i7 820QM
    Frequence 2.26 GHz1.73 GHz
    Cores 2 per processor4 per processor
    Cache L3 Cache:3.0 MBL3 Cache:8.0 MB
    Arhitecture 32-bit64-bit
    Technology 45nm45nm
    Chipset Mobile Intel HM57 ExpressIntel HM55 Express
    TDP 2.5W45W
    Features Front side bus (FSB):667 MHzFront side bus (FSB):1333 MHz
    Graphics Type Integrated cardDedicated card
    Name Intel Intel Graphics Media Accelerator HDATI Mobility Radeon HD 5850
    Memory 1024 MB
    Memory Capacity
    Max Capacity 4 GB8 GB
    Type DDR3DDR3-1066 MHz
    Slots 2
    Storage Capacity 160 GB160 GB
    RPM 7200RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA (Bays (in use): 1)
    Optical Type Reading support: CD DVD
    Writing support: CD DVD    		Reading support: CD DVD BD
    Writing support: CD DVD BD
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11b, 802.11g, 802.11n)Yes (802.11a, 802.11b, 802.11g, 802.11n)
    Bluetooth Yes Version:2.1Yes Version:2.1 EDR:Yes
    Modem No
    Infrared NoYes
    Wimax NoNo
    UWB NoNo
    Interfaces USB 4 Version:2.05 Version:2.0
    HDMI Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata NoYes (1)
    FireWire NoYes (1)
    Expansion Slot ExpressCard (54)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
    Other DisplayPort, Surround sound analog outputs (Type: 5.1), Digital audio output
    Devices Keyboard Dedicated media playback controls
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons, Multitouch)
    Speakers Subwoofer
    Camera YesYes
    Microphone YesYes
    Security Features Fingerprint reader, Smart Card reader Kensington lock, Fingerprint reader
    Baterry Cells 6 cells8 cells
    Type Li-IonLi-Ion
    Capacity 55 WHr
    Autonomy 3 Hours
    Other Adapter power consumption:Typical: 71 W Power adapter voltage:100 V - 240 V, 50 Hz, 60 Hz

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