Toshiba Tecra R840-S8450
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    Dell Studio 1557
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    General Class Standard Laptop Standard Laptop
    Operating Sistem Windows 7
    Body Dimensions 13.40 in x 1.08 in x 9.40 in14.63 in x 1.23 in x 9.96 in
    Weight 1.90 kg (4.19 lb)2.51 kg (5.54 lb)
    Color Black
    Display Size 14 inches15.6 inches
    Resolution 1600x9001366x768
    LED YesYes
    3D NoNo
    Processor Name Intel Core i7 2620MIntel Core i7
    Frequence 2.7 GHz
    Cores 2 per processor
    Cache L3 Cache:4.0 MB
    Arhitecture 64-bit
    Technology 32nm
    Chipset Intel QM67 ExpressIntel PM55
    TDP 35W
    Graphics Type Dedicated cardDedicated card
    Name AMD / ATI Radeon / Mobility Radeon HD 6450MAMD / ATI Radeon / Mobility Radeon HD 4570
    Memory 1024 MB512 MB
    Memory Capacity 4 GB1 GB
    Max Capacity 8 GB8 GB
    Max Capacity Per Slot 4 GB4 GB
    Type DDR3DDR3-1066 MHz
    Slots 21
    Total Slots 22
    Storage Capacity 320 GB
    RPM 7200RPM
    Type Hard Disc (HDD)
    Interface SATA
    Optical Type Reading support: CD DVD
    Writing support: CD DVD
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11a, 802.11g, 802.11n)Yes (802.11a, 802.11b, 802.11g, 802.11n)
    Bluetooth Yes Version:3.0 EDR:Yes
    Modem No
    Wimax No
    UWB No
    Interfaces USB 3 Powered while off:Yes2 Version:2.0
    HDMI Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)Yes (1)
    FireWire NoYes (1)
    Expansion Slot ExpressCard (34)ExpressCard (34), Mini PCI
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader SD, SDHC, SDXC, miniSD, microSD, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port YesNo
    Other DisplayPort
    Devices Keyboard
    Pointing Touchpad (2 Buttons, Multitouch)Touchpad (2 Buttons)
    Camera YesYes, 2 megapixels
    Microphone YesYes
    Security Features Kensington lock, Face recognition webcam, Fingerprint reader
    Baterry Cells 6 cells6 cells
    Type Li-IonLi-Ion
    Capacity 66 WHr
    Autonomy 7.16 Hours
    Other Adapter power consumption:Typical: 65 W Power adapter voltage:100 V - 240 V, 50 Hz, 60 HzAdapter power consumption:Typical: 65 W Power adapter voltage:100 V - 240 V

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