Lenovo ThinkPad R400
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    Acer Aspire AS7739Z-4804
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    General Class Standard Laptop Desktop replacement
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 13.21 in x 9.37 in x 1.37 in16.10 in x 1.40 in x 10.80 in
    Weight 2.40 kg (5.29 lb)3.30 kg (7.27 lb)
    Color BlackBlack
    Features Rugged:Yes
    Display Size 14.1 inches17.3 inches
    Resolution 1280x8001600x900
    LED YesYes
    3D NoNo
    Features Surface finish:Glossy
    Processor Name Intel Core 2 Duo T6570Intel Pentium Dual-Core P6200
    Frequence 1.8 GHz2.13 GHz
    Cores 2 per processor2 per processor
    Cache L2 Cache:2.0 MBL3 Cache:3.0 MB
    Arhitecture 64-bit64-bit
    Technology 65nm32nm
    Chipset Intel HM55 Express
    TDP 35W35W
    Features Front side bus (FSB):800 MHz
    Graphics Type Integrated cardIntegrated card
    Name Intel X4500Intel GMA HD
    Memory Capacity 1 GB4 GB
    Max Capacity 8 GB
    Max Capacity Per Slot 4 GB
    Type DDR3-1066 MHzDDR3
    Slots 12
    Total Slots 2
    Storage Capacity 160 GB500 GB
    Size 2.5"
    RPM 5400RPM5400RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATASATA
    Optical Type Reading support: CD DVD
    Writing support: CD DVD    		Reading support: CD DVD
    Writing support: CD DVD
    Networking LAN 1000 mbps100 mbps
    Wifi Yes (802.11a, 802.11g, 802.11n)Yes (802.11b, 802.11g, 802.11n)
    Bluetooth YesNo
    Modem YesNo
    Infrared NoNo
    Wimax NoNo
    UWB NoNo
    Interfaces USB 3 Version:2.03 Version:2.0 Powered while off:No
    HDMI Yes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata NoNo
    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 YesSD, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port YesNo
    Devices Keyboard
    Pointing Touchpad, Pointing stickTouchpad (2 Buttons, Multitouch)
    Camera Yes
    Microphone Yes
    Security Features Kensington lock, Fingerprint reader Kensington lock
    Baterry Cells 4 cells6 cells
    Type Li-IonLi-Ion
    Capacity 4400 mAh
    Autonomy 2.6 Hours

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