HP ProBook 4720s
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    Acer Aspire 7741
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    General Class Desktop replacement Desktop replacement
    Operating Sistem Windows 7 Windows 7
    Body Dimensions 16.17 in x 1.11 in x 10.49 in16.30 in x 1.40 in x 10.80 in
    Weight 2.97 kg (6.55 lb)3.31 kg (7.3 lb)
    Color BlackBlack
    Display Size 17.3 inches17.3 inches
    Resolution 1600x9001600x900
    LED YesYes
    3D NoNo
    Processor Name Intel Core i3 330MIntel Pentium Dual-Core P6000
    Frequence 2.13 GHz1.86 GHz
    Cores 2 per processor2 per processor
    Cache L2 Cache:3.0 MB
    Arhitecture 64-bit64-bit
    Technology 32nm32nm
    Chipset Mobile Intel HM57 ExpressIntel HM55 Express
    TDP 35W35W
    Graphics Type Dedicated cardIntegrated card
    Name ATI Mobility Radeon HD 4350Intel GMA HD
    Memory 512 MB
    Memory Capacity 2 GB
    Max Capacity 4 GB8 GB
    Max Capacity Per Slot 2 GB4 GB
    Type DDR3-1333 MHzDDR3
    Total Slots 22
    Storage Capacity 250 GB500 GB
    RPM 7200RPM
    Type Hard Disc (HDD)Hard Disc (HDD)
    Interface SATA (SATA type: 3Gbit/s)SATA
    Optical Type Reading support: CD DVD BD
    Writing support: CD DVD    		Reading support: CD DVD
    Writing support: CD DVD
    Features Disc labeling:Yes (LightScribe)
    Networking LAN 1000 mbps1000 mbps
    Wifi Yes (802.11a, 802.11b, 802.11g, 802.11n)Yes (802.11b, 802.11g, 802.11n)
    Bluetooth Yes Version:2.1 EDR:No
    Modem NoNo
    Infrared No
    Wimax No
    UWB No
    Interfaces USB 3 Version:2.03 Version:2.0
    HDMI YesYes
    VGA YesYes
    LAN RJ-45RJ-45
    ESata Yes (1)
    FireWire No
    Expansion Slot ExpressCard (34)
    Microphone Microphone in 3.5mmMicrophone in 3.5mm
    Headphone Audio out 3.5mmAudio out 3.5mm
    Card Reader Memory Stick, Memory Stick Duo, Memory Stick PRO, SD, xD-Picture Card, MMCMemory Stick, Memory Stick PRO, SD, xD-Picture Card, MMC
    Multi Purpose DriveBay NoNo
    Docking Station Port NoNo
    Devices Keyboard Dedicated media playback controls
    Pointing TouchpadTouchpad (2 Buttons, Multitouch)
    Camera NoYes, 1.3 megapixels
    Microphone YesYes
    Security Features Kensington lock Kensington lock
    Baterry Cells 8 cells6 cells
    Type Li-Ion
    Capacity 73 WHr4400 mAh
    Other Adapter power consumption:Typical: 65 W

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