HP ProBook 4420s
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    Compaq Presario CQ57-303SG
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    General Class Standard Laptop Standard Laptop
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 13.23 in x 1.07 in x 9.15 in14.80 in x 1.41 in x 9.72 in
    Weight 2.14 kg (4.72 lb)2.55 kg (5.62 lb)
    Color Black
    Display Size 14 inches15.6 inches
    Resolution 1366x7681366x768
    LED YesYes
    3D NoNo
    Processor Name Intel Core i5 430MAMD E-450
    Frequence 2.26 GHz1.65 GHz
    Cores 2 per processor2 per processor
    Cache L3 Cache:3.0 MBL2 Cache:1.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm40nm
    Chipset Mobile Intel HM57 ExpressAMD A50M
    TDP 35W18W
    Graphics Type Integrated cardIntegrated card
    Name Intel HDATI Mobility Radeon HD 6320M
    Memory up to 1920 MB
    Memory Capacity 4 GB4 GB
    Max Capacity 4 GB
    Type DDR3-1333 MHzDDR3
    Slots 1
    Total Slots 2
    Storage Capacity 320 GB500 GB
    Size 2.5"
    RPM 7200RPM5400RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA
    Features Accelerometer for HDD protection:Yes
    Optical Type Reading support: CD DVD
    Writing support: CD DVD    		Reading support: CD DVD
    Writing support: CD DVD
    Features Disc labeling:Yes (LightScribe)
    Networking LAN 1000 mbps100 mbps
    Wifi Yes (802.11b, 802.11g, 802.11n)Yes (802.11b, 802.11g, 802.11n)
    Bluetooth Yes Version:2.1
    Modem NoNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 3 Version:2.03 Version:2.0 Powered while off:No
    HDMI Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)No
    Thunderbolt No
    FireWire NoNo
    Expansion Slot ExpressCard (34)
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader YesSD, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons)
    Camera Yes, 2 megapixelsYes, 0.3 megapixels
    Microphone Yes
    Security Features
    Baterry Cells 6 cells
    Type Li-Ion
    Capacity 47 WHr
    Other Adapter power consumption:Typical: 65 W

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