HP ProBook 6550b
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    Toshiba Tecra R940-S9440
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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 in13.40 in x 1.08 in x 9.40 in
    Weight 2.49 kg (5.5 lb)1.90 kg (4.19 lb)
    Color Black, GrayBlack
    Display Size 15.6 inches14 inches
    Resolution 1600x900
    LED YesYes
    3D NoNo
    Processor Name Intel Core i3 350MIntel Core i7 3520M
    Frequence 2.26 GHz2.9 GHz
    Cores 2 per processor2 per processor
    Cache L3 Cache:3.0 MBL3 Cache:4.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm22nm
    Chipset Intel HM57Intel QM77 Express
    TDP 35W35W
    Graphics Type Dedicated card, Integrated cardDedicated card
    Name AMD / ATI Radeon / Mobility Radeon 540vAMD / ATI Radeon / Mobility Radeon HD 7570M
    Memory 512 MB1024 MB
    Name Intel HD Graphics
    Memory Capacity 8 GB4 GB
    Max Capacity 8 GB8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3-1333 MHzDDR3
    Slots 22
    Total Slots 22
    Storage Capacity 160 GB320 GB
    Size 2.5"
    RPM 7200RPM7200RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATA (SATA type: 3Gbit/s)SATA
    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 mbps1000 mbps
    Wifi Yes (802.11b, 802.11g, 802.11n)Yes (802.11a, 802.11g, 802.11n), Intel WiDi
    Bluetooth Yes Version:2.1 EDR:YesNo
    Modem YesNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 3 Version:2.03 Powered while off:Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)Yes (1)
    Thunderbolt No
    FireWire Yes (1)No
    Expansion Slot ExpressCard (54)ExpressCard (34)
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader YesSD, SDHC, SDXC, miniSD, microSD
    Multi Purpose DriveBay NoNo
    Docking Station Port YesYes
    Other DisplayPortDisplayPort
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons, Multitouch), Pointing stick
    Camera YesYes, 2 megapixels
    Microphone NoYes
    Security Features Kensington lock, Face recognition webcam, Fingerprint reader
    Baterry Cells 6 cells6 cells
    Type Li-IonLi-Ion
    Capacity 51 WHr66 WHr
    Autonomy 5.9 Hours
    Other Adapter power consumption:Typical: 75 W Power adapter voltage:100 V - 240 V, 50 Hz, 60 Hz

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