Dell Studio 1557
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    Samsung NP550P5C-A02US
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    General Class Standard Laptop Standard Laptop
    Operating Sistem Windows 7
    Body Dimensions 14.63 in x 1.23 in x 9.96 in14.40 in x 1.19 in x 9.50 in
    Weight 2.51 kg (5.54 lb)2.50 kg (5.51 lb)
    Display Size 15.6 inches15.6 inches
    Resolution 1366x7681366x768
    LED YesYes
    3D NoNo
    Processor Name Intel Core i7 Intel Core i7 3610QM
    Frequence 2.3 GHz
    Cores 4 per processor
    Cache L3 Cache:6.0 MB
    Arhitecture 64-bit
    Technology 22nm
    Chipset Intel PM55
    TDP 45W
    Features Hyperthreading:Yes
    Graphics Type Dedicated cardIntegrated card
    Name AMD / ATI Radeon / Mobility Radeon HD 4570Intel GMA HD 4000
    Memory 512 MB
    Memory Capacity 1 GB8 GB
    Max Capacity 8 GB8 GB
    Max Capacity Per Slot 4 GB4 GB
    Type DDR3-1066 MHzDDR3
    Slots 12
    Total Slots 22
    Storage Capacity 750 GB
    Size 2.5"
    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, 802.11b, 802.11g, 802.11n)Yes (802.11b, 802.11g, 802.11n)
    Bluetooth No
    Modem No
    Infrared No
    Wimax No
    UWB No
    Interfaces USB 2 Version:2.04 Version:2.0, 3.0 Powered while off:Yes
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)No
    Thunderbolt No
    FireWire Yes (1)No
    Expansion Slot 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, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Devices Keyboard
    Pointing Touchpad (2 Buttons)Touchpad (2 Buttons, Multitouch)
    Speakers Subwoofer
    Camera Yes, 2 megapixelsYes, 1.3 megapixels
    Microphone YesYes
    Security Features
    Baterry Cells 6 cells6 cells
    Type Li-IonLi-Ion
    Capacity 48 WHr / 4400 mAh
    Autonomy 6.4 Hours
    Other Adapter power consumption:Typical: 65 W Power adapter voltage:100 V - 240 VAdapter power consumption:Typical: 90 W

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