HP ProBook 6550b
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    Lenovo IdeaPad Z570 102497U
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    General Class Standard Laptop Standard Laptop
    Operating Sistem Windows XP Windows 7
    Body Dimensions 14.62 in x 1.37 in x 9.76 in14.80 in x 1.40 in x 9.84 in
    Weight 2.49 kg (5.5 lb)2.60 kg (5.73 lb)
    Color Black, GrayBlack
    Display Size 15.6 inches15.6 inches
    Resolution 1366x768
    LED YesYes
    3D NoNo
    Processor Name Intel Core i3 350MIntel Core i7 2630QM
    Frequence 2.26 GHz2 GHz
    Cores 2 per processor4 per processor
    Cache L3 Cache:3.0 MBL3 Cache:6.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm32nm
    Chipset Intel HM57
    TDP 35W45W
    Graphics Type Dedicated card, Integrated cardIntegrated card
    Name AMD / ATI Radeon / Mobility Radeon 540vIntel HD Graphics 3000
    Memory 512 MB
    Name Intel HD Graphics
    Memory Capacity 8 GB8 GB
    Max Capacity 8 GB8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3-1333 MHzDDR3-1333 MHz
    Slots 22
    Total Slots 22
    Storage Capacity 160 GB750 GB
    RPM 7200RPM5400RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATA (SATA type: 3Gbit/s)SATA
    Optical Type Reading support: CD DVD
    Writing support: CD DVD    		Reading support: CD DVD BD
    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), Intel WiDi
    Bluetooth Yes Version:2.1 EDR:YesYes Version:2.1 EDR:Yes
    Modem YesNo
    Infrared NoNo
    Wimax No
    UWB NoNo
    Interfaces USB 3 Version:2.04 Version:2.0
    HDMI Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)Yes (1)
    Thunderbolt No
    FireWire Yes (1)No
    Expansion Slot ExpressCard (54)
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader YesMemory Stick PRO, SD, xD-Picture Card, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port YesNo
    Other DisplayPort
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (Multitouch)
    Speakers Speakers total power:3W
    Camera YesYes, 2 megapixels
    Microphone NoYes
    Security Features Face recognition webcam
    Baterry Cells 6 cells6 cells
    Type Li-IonLi-Ion
    Capacity 51 WHr
    Autonomy 5 Hours

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