Dell Studio 1557
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    Acer Aspire Ethos AS8943G-9429
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    General Class Standard Laptop Desktop replacement
    Operating Sistem Windows 7
    Body Dimensions 14.63 in x 1.23 in x 9.96 in17.32 in x 1.72 in x 11.61 in
    Weight 2.51 kg (5.54 lb)4.60 kg (10.14 lb)
    Color Gray
    Display Size 15.6 inches18.4 inches
    Resolution 1366x7681920x1080
    LED YesYes
    3D NoNo
    Processor Name Intel Core i7 Intel Core i7 740QM
    Frequence 1.73 GHz
    Cores 4 per processor
    Cache L3 Cache:6.0 MB
    Arhitecture 64-bit
    Technology 45nm
    Chipset Intel PM55Intel HM55 Express
    TDP 45W
    Graphics Type Dedicated cardDedicated card
    Name AMD / ATI Radeon / Mobility Radeon HD 4570AMD / ATI Radeon / Mobility Radeon HD 5850
    Memory 512 MB2048 MB
    Memory Capacity 1 GB8 GB
    Max Capacity 8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3-1066 MHzDDR3
    Slots 12
    Total Slots 24
    Storage Capacity 500 GB
    RPM 5400RPM
    Type Hard Disc (HDD)
    Interface SATA
    Optical Type Reading support: CD DVD BD
    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:2.05 Version:2.0
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)Yes (1)
    FireWire Yes (1)Yes (1)
    Expansion Slot ExpressCard (34), Mini PCI
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Memory Stick, Memory Stick PRO, SD, xD-Picture Card, 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
    Microphone YesYes
    Security Features Kensington lock, Fingerprint reader
    Baterry Cells 6 cells8 cells
    Type Li-IonLi-Ion
    Capacity 6000 mAh
    Autonomy 3 Hours
    Other Adapter power consumption:Typical: 65 W Power adapter voltage:100 V - 240 VAdapter power consumption:Typical: 120 W

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